3,268 materials
13Cr martensitic stainless steel is an iron-based alloy with approximately 13% chromium, enhanced by significant molybdenum and cobalt additions, designed to achieve high strength through martensitic hardening. This composition targets demanding applications requiring a combination of corrosion resistance and exceptional hardness; the elevated carbon and nitrogen levels, along with cobalt strengthening, position it for aerospace and high-performance industrial components where traditional stainless steels fall short. Compared to standard 13Cr martensitic grades, the cobalt boost and molybdenum content increase both hardening capability and corrosion resistance, making it suitable for aggressive service environments where wear and chemical attack occur simultaneously.
13Cr Martensitic Stainless Steel (variant 10) is a high-carbon, cobalt-strengthened martensitic stainless steel engineered for maximum hardness and wear resistance in demanding applications. The elevated carbon content (0.92%), combined with cobalt and vanadium additions, creates a material designed for cutting tools, gauges, and components requiring exceptional hardness while maintaining corrosion resistance in moderately corrosive environments. This variant represents a premium tool steel selection where wear life and edge retention outweigh toughness requirements, making it competitive against both traditional tool steels and specialized cobalt-enriched cutlery grades.
13Cr Martensitic Stainless Steel (variant 11) is a high-carbon, cobalt-reinforced martensitic stainless steel designed for demanding applications requiring exceptional hardness and wear resistance combined with corrosion resistance. This variant is heavily alloyed with cobalt (~14 wt%), molybdenum, and vanadium—additions typical of premium tool steels and specialty cutlery grades—making it suitable for high-performance cutting tools, precision bearings, and corrosive environments where both toughness and edge retention are critical. Compared to standard 13Cr stainless grades (like 420 or 440C), this composition prioritizes hardness and thermal fatigue resistance, positioning it as a niche material for aerospace, medical instrumentation, and advanced manufacturing tooling where cost justifies superior performance.
13Cr martensitic stainless steel (variant 12) is a chromium-based stainless steel hardened through martensitic transformation, alloyed with molybdenum, cobalt, and nickel to enhance strength and toughness. This variant is engineered for demanding applications requiring high hardness and wear resistance combined with corrosion protection, making it suitable for aerospace components, high-performance valve bodies, and turbomachinery where superior fatigue resistance and thermal stability are critical. The cobalt addition (≈13%) distinguishes this variant as a premium martensitic grade, prioritizing performance over cost-efficiency, with particular value in rotating equipment and critical load-bearing structures exposed to aggressive or elevated-temperature service environments.
13Cr martensitic stainless steel is an iron-based alloy strengthened by chromium (13.4%) and hardened through martensitic transformation, with cobalt and molybdenum additions that enhance high-temperature strength and wear resistance. This variant appears optimized for demanding applications requiring superior hardness and strength retention, commonly found in aerospace turbine components, industrial cutting tools, and high-stress valve seats where corrosion resistance must be balanced with exceptional load-bearing capacity. Engineers select this alloy when standard martensitic grades cannot meet strength or temperature requirements, though it trades some toughness and formability for enhanced performance in extreme operating conditions.
13Cr Martensitic Stainless Steel (variant 14) is a chromium-based martensitic stainless steel with elevated carbon content and molybdenum additions, designed to achieve high strength through heat treatment while maintaining corrosion resistance. This variant is used in applications demanding both hardness and moderate corrosion resistance, such as fasteners, valve components, and turbomachinery parts where strength-to-weight and fatigue performance are critical. The composition—particularly the carbon level (~0.78 wt%) and molybdenum alloying—positions this steel as an intermediate-strength martensitic grade suitable for aerospace, oil & gas, and power generation sectors where superior tensile properties and erosion/corrosion resistance outweigh the need for extreme toughness.
13Cr Martensitic Stainless Steel (variant 15) is a hardened chromium-bearing iron alloy strengthened through martensitic transformation, with notable alloying additions of cobalt, molybdenum, and vanadium that enhance hardness and wear resistance. This material is primarily used in high-strength applications requiring corrosion resistance combined with superior hardness, such as precision cutting tools, turbine blades, and wear-critical components in aerospace and power generation. Engineers select this variant over standard martensitic stainless grades when extreme hardness and edge retention are essential, accepting lower ductility in exchange for exceptional performance in demanding mechanical and thermal environments.
13Cr martensitic stainless steel (variant 16) is a chromium-hardened iron-based alloy with elevated carbon and molybdenum content, designed for applications requiring high hardness and wear resistance combined with corrosion protection. This material is commonly employed in demanding industrial components where both mechanical strength and resistance to corrosive environments are critical, such as valve bodies, pump shafts, and cutlery applications. Engineers select this variant over softer stainless grades when wear resistance and hardness are primary concerns, and over non-stainless tool steels when corrosion or saltwater exposure is a risk factor.
13Cr martensitic stainless steel (variant 17) is a chromium-hardened iron alloy with molybdenum and nickel additions, designed to achieve high strength through martensitic transformation and precipitation hardening. It is used in applications requiring a combination of corrosion resistance and superior mechanical strength, particularly in aerospace turbine components, power generation equipment, and oil & gas subsurface tools where both wear resistance and oxidation protection in demanding environments are critical. This variant's composition—including modest cobalt and vanadium content—positions it for high-temperature service and applications where traditional 13Cr stainless steels would be insufficient, making it an alternative to higher-nickel austenitic grades when weight savings or better corrosion-cracking performance is needed.
13Cr martensitic stainless steel (variant 18) is a chromium-bearing iron alloy with elevated carbon and molybdenum content, designed to achieve high strength through martensitic heat treatment while maintaining corrosion resistance. This material is used in demanding applications where both wear resistance and moderate corrosion protection are required, such as hydraulic components, fasteners, and cutlery—selected by engineers who need the hardness and strength of martensitic stainless without the brittleness of fully hardened tool steels. The molybdenum addition improves toughness and corrosion performance compared to standard 13% chromium grades, making it a practical choice for oil & gas valves, pumps, and other high-stress environments where aqueous or mildly corrosive exposure is expected.
13Cr martensitic stainless steel (variant 19) is a high-carbon, molybdenum-strengthened stainless alloy designed to achieve exceptional hardness and wear resistance through heat treatment and martensitic transformation. This material is used in demanding applications where corrosion resistance must be combined with extreme hardness—primarily in valve components, pump shafts, and precision cutting tools operating in mildly corrosive or high-wear environments. Engineers select this variant over softer austenitic stainless grades when abrasion, erosion, or galling resistance is critical, though the trade-off is lower ductility and impact toughness, making design and heat-treat control essential.
A high-carbon, high-chromium martensitic stainless steel alloyed with cobalt and molybdenum, designed for maximum hardness and wear resistance in demanding cutting and tooling applications. This variant combines the corrosion resistance of the 13Cr stainless family with elevated carbon content and secondary hardening elements (Mo, Co) to achieve superior edge retention and abrasion resistance compared to standard martensitic stainless grades. The silicon and nickel additions refine microstructure while maintaining the martensitic transformation characteristics essential for tool steel performance.
13Cr Martensitic Stainless Steel (variant 20) is a chromium-based martensitic stainless steel with elevated carbon content and molybdenum additions, designed for high-strength corrosion-resistant applications. This material is primarily used in aerospace, power generation, and oil & gas industries where components must withstand both corrosive environments and significant mechanical loads—such as turbine blades, compressor components, and downhole tools. The martensitic structure and alloying strategy (chromium for corrosion resistance, molybdenum for strength and pitting resistance, nickel for toughness) make it a preferred choice over softer austenitic grades when hardness, fatigue resistance, and dimensional stability are critical, though it trades some ductility and weldability for superior strength.
13Cr Martensitic Stainless Steel (variant 21) is a high-strength, precipitation-hardened stainless steel alloyed with cobalt and molybdenum for enhanced hardness and wear resistance. It is primarily used in aerospace, oil & gas, and high-performance industrial applications where corrosion resistance must be combined with exceptional strength and dimensional stability. Engineers select this grade when standard martensitic stainless steels cannot meet demanding strength-to-weight or wear-resistance requirements, particularly in components exposed to aggressive corrosive environments at elevated service temperatures.
13Cr Martensitic Stainless Steel (var. 22) is a high-strength, cobalt-reinforced martensitic stainless steel designed for extreme-hardness applications requiring corrosion resistance and wear resistance in a single material. The elevated cobalt content (~9.6%) and molybdenum addition distinguish this variant, making it suitable for demanding aerospace, tooling, and high-performance industrial applications where both hardness and corrosion resistance are critical. This material offers a balance between the brittleness concerns typical of very-high-carbon martensitic stainless steels and the toughness requirements of service environments.
A high-strength 13% chromium martensitic stainless steel heavily alloyed with cobalt (9.6%), molybdenum (3.6%), and nitrogen (0.12%), designed to achieve exceptional hardness and strength through martensitic hardening. This composition targets applications demanding superior wear resistance and fatigue performance in corrosive environments, positioning it between conventional 13Cr martensitic grades and premium precipitation-hardened stainless steels. The cobalt and molybdenum additions enhance strength and toughness simultaneously, making it suitable for demanding aerospace, power generation, and oil & gas components where both corrosion resistance and structural integrity under load are critical.
13Cr martensitic stainless steel (variant 24) is a high-carbon, cobalt-strengthened stainless alloy designed for demanding applications requiring excellent hardness and wear resistance. The elevated carbon content (~0.5%), combined with cobalt and molybdenum additions, enables this material to achieve superior strength through martensitic hardening while maintaining corrosion resistance typical of 13% chromium grades. This variant represents a specialized composition optimized for applications where conventional martensitic stainless steels require enhanced performance—often seen in tool steels, precision components, and corrosion-resistant wear-critical parts that balance toughness with resistance to abrasion and chemical attack.
A high-carbon, cobalt-strengthened martensitic stainless steel with elevated molybdenum and vanadium content, designed for extreme strength and wear resistance in demanding applications. This variant combines the corrosion resistance of 13% chromium stainless steels with significant hardening through carbon, cobalt, and molybdenum additions—a composition typical of premium tool steels and high-performance martensitic grades. Engineers select this material when exceptional hardness, compressive strength, and corrosion resistance must coexist, particularly in applications exposed to corrosive environments where conventional tool steels would fail.
13Cr Martensitic Stainless Steel (variant 26) is a high-carbon, cobalt-strengthened martensitic stainless steel designed for applications demanding exceptional hardness and wear resistance combined with corrosion resistance. The elevated cobalt content (~16%) and moderate molybdenum addition create a precipitation-hardening system that delivers high strength while retaining reasonable toughness, making it suitable for demanding aerospace, tooling, and high-performance industrial applications where conventional 13Cr grades fall short. This variant represents an engineering solution for engineers who need stainless steel's corrosion benefits without sacrificing the hardness and fatigue performance typically associated with tool steels.
A cobalt-strengthened 13% chromium martensitic stainless steel with molybdenum and nitrogen additions, designed for high-strength applications requiring corrosion and heat resistance. This variant achieves excellent strength-to-weight performance through a carefully balanced alloying strategy—cobalt provides solid-solution hardening, molybdenum enhances corrosion resistance and strength at elevated temperature, and controlled carbon/nitrogen levels enable martensitic hardening without excessive brittleness. Industrial adoption focuses on aerospace turbine components, high-pressure valve bodies, and demanding corrosion-resistant fasteners where conventional 12–13Cr stainless steels cannot deliver the required strength envelope; engineers select this composition when operating temperatures exceed 400°C or when combined mechanical and corrosion demands exceed single-phase austenitic stainless or lower-alloyed martensitic alternatives.
13Cr Martensitic Stainless Steel (variant 4) is a cobalt-strengthened, molybdenum-alloyed martensitic stainless steel designed for ultra-high-strength applications requiring corrosion resistance and wear tolerance. This composition—elevated in cobalt (14.1 wt%), molybdenum (3.73 wt%), and carbon (0.47 wt%)—represents a specialized variant optimized for demanding aerospace, energy, and precision engineering sectors where both static strength and fatigue resistance in corrosive or wear-prone environments are critical. The addition of cobalt and molybdenum over conventional 13Cr grades provides strengthening and enhanced toughness retention, making it particularly suited to applications where standard martensitic stainless steels would be marginal.
13Cr Martensitic Stainless Steel (variant 5) is a precipitation-hardened martensitic stainless steel with elevated cobalt and silicon content, designed to achieve high strength through age-hardening treatment while maintaining corrosion resistance typical of 13% chromium steels. This variant is primarily used in aerospace and defense applications where a combination of high strength, corrosion resistance, and moderate toughness is required, particularly in fasteners, turbine components, and structural elements exposed to moderately corrosive environments. The cobalt and molybdenum additions enhance strength and fatigue performance compared to conventional 13Cr martensitic grades, making it competitive with nickel-based alternatives in weight-sensitive applications where cost and machinability are considerations.
This is a precipitation-hardened 13% chromium martensitic stainless steel with significant cobalt (~14.5%) and molybdenum additions, designed to achieve very high strength while retaining stainless corrosion resistance. The cobalt and elevated carbon-nitrogen content enable age-hardening mechanisms that produce exceptional strength levels, making this variant suited for demanding applications where both corrosion resistance and extreme hardness are required. Compared to standard 13Cr martensitic grades, the cobalt-enriched composition trades some toughness for superior strength and is typically found in specialized aerospace, energy, and medical device applications where weight savings and corrosion immunity justify the higher cost and reduced ductility.
13Cr martensitic stainless steel with elevated carbon, vanadium, and cobalt additions, designed to achieve high strength and hardness through martensitic transformation and carbide precipitation hardening. This variant bridges tool steel and stainless steel characteristics, offering corrosion resistance in chloride environments combined with exceptional hardness for demanding wear and erosion applications.
13Cr martensitic stainless steel is a chromium-based iron alloy strengthened through martensitic transformation and precipitation hardening via cobalt and molybdenum additions. This variant exhibits an unusually high carbon content (0.925%) combined with cobalt alloying (14.3%), positioning it for demanding applications requiring exceptional hardness and wear resistance alongside corrosion protection. It competes with premium tool steels and specialty stainless grades in applications where both toughness and corrosion resistance must be balanced against cost and machinability constraints.
A high-carbon martensitic stainless steel (≈13% Cr) heavily alloyed with cobalt (14.2%), molybdenum, and elevated carbon content, designed to achieve exceptional hardness and wear resistance through martensitic transformation and precipitation strengthening. This variant is employed in demanding applications requiring extreme hardness combined with corrosion resistance—particularly in tooling, bearing races, and high-stress valve components where wear life and resistance to aggressive fluids are critical. The cobalt addition and carbon level distinguish this from conventional 13Cr stainless grades, pushing performance toward tool steel territory while maintaining the corrosion resistance envelope of stainless alloys.
This is a nickel-cobalt maraging steel, a precipitation-hardening iron-based superalloy engineered for ultra-high strength with maintained toughness at modest temperatures. The alloy combines a martensitic iron matrix (~62% Fe) with significant nickel (13%) and cobalt (13%) hardeners, plus chromium for corrosion resistance and titanium for age-hardening via intermetallic precipitation, making it belong to the 18Ni maraging family adapted for enhanced cobalt content. This material is used in aerospace and military applications requiring exceptional strength-to-weight ratios and damage tolerance—such as landing gear components, structural fasteners, and high-performance tooling—where it outperforms conventional tool steels and stainless steels by delivering superior strength without brittleness, though at higher cost and requiring controlled heat treatment protocols.
A precipitation-hardening maraging steel containing 13% nickel, 9% cobalt, and molybdenum/titanium additions, designed to achieve ultra-high strength through age-hardening rather than carbon content. This class of steel is the workhorse for applications demanding exceptional strength-to-weight ratios combined with fracture toughness and dimensional stability, notably in aerospace structures, tooling, and precision components where conventional high-carbon steels would be brittle or unstable. Engineers select maraging steels when they need to avoid the brittleness and distortion problems of traditional hardened steels, and the cobalt-bearing variants enable even higher performance than 18Ni grades—making them preferred for critical aerospace forgings, landing gear, and other highly-stressed structural parts.
14Cr martensitic stainless steel is an iron-based alloy with 13.8% chromium, elevated carbon (0.44%), and significant tungsten and cobalt additions that provide secondary hardening and wear resistance through precipitation strengthening. This material is engineered for demanding applications requiring a combination of corrosion resistance, hardness, and thermal stability, positioning it between conventional martensitic stainless steels and tool steel territory. The alloy composition suggests development for high-performance tooling, aerospace components, or power generation applications where wear resistance and corrosion durability must coexist under thermal stress.
14Cr Martensitic Stainless Steel (variant 10) is a precipitation-hardening martensitic stainless steel alloyed with cobalt and molybdenum for enhanced strength and wear resistance. This alloy is engineered for demanding applications requiring high hardness and corrosion resistance in moderately corrosive environments, commonly found in aerospace components, precision tooling, and high-performance mechanical systems where the combination of stainless properties and hardness is critical. The cobalt addition (12 wt%) distinguishes this variant, boosting strength and thermal stability compared to conventional 13% chromium martensitic grades, making it suitable for elevated-temperature service and applications demanding superior fatigue performance.
A high-carbon martensitic stainless steel strengthened by cobalt and tungsten additions, designed to achieve extreme hardness and wear resistance while retaining corrosion resistance in the 13–14% chromium range. This variant is tailored for demanding applications requiring both edge retention and environmental durability, sitting at the intersection of tool steel and stainless steel performance. Engineers select this alloy when conventional tool steels lack sufficient corrosion resistance or when martensitic stainless grades need enhanced hardness and thermal fatigue resistance for high-stress cutting, forming, and molding operations.
This is a martensitic stainless steel with approximately 13.5% chromium, hardened by a carbon content around 0.9%, and strengthened further by molybdenum and cobalt additions. It represents a high-strength variant of the 14Cr family, designed to achieve excellent hardness and wear resistance while maintaining modest corrosion resistance through its chromium content. This material is used in demanding applications where a combination of hardness, strength, and corrosion resistance is required—such as precision tools, bearings, and high-performance fasteners—making it a choice when conventional austenitic stainless steels lack sufficient hardness or when higher-carbon tool steels need better corrosion performance.
14Cr Martensitic Stainless Steel (variant 3) is a high-carbon, cobalt-strengthened martensitic stainless steel designed for applications requiring exceptional hardness and wear resistance combined with corrosion resistance. This composition—with ~19% cobalt, elevated carbon (~0.88%), and molybdenum additions—targets high-performance cutting tools, precision measuring instruments, and specialized aerospace/defense components where both hardness and modest corrosion resistance are critical. The cobalt and carbon content distinguish this from standard 13–14% Cr stainless grades, positioning it as a premium tool steel rather than a general-purpose stainless, chosen when conventional martensitic stainless or tool steels cannot meet simultaneous demands for wear life and corrosion performance.
A precipitation-hardened martensitic stainless steel containing 13.5% chromium, 5.34% molybdenum, and elevated carbon (0.479%) with cobalt additions, designed for ultra-high strength applications requiring corrosion resistance. This variant represents a specialized composition optimized for aerospace, defense, and industrial tooling where exceptional hardness and fatigue performance must be maintained in corrosive or marine environments. The Mo-Co-C combination enables strength levels significantly above standard 400-series martensitic stainless steels while preserving inherent corrosion resistance, making it a premium choice where weight savings and wear resistance justify the material cost.
14Cr Martensitic Stainless Steel (variant 5) is a chromium-based martensitic stainless steel with elevated carbon and molybdenum content, designed for high-strength applications requiring corrosion resistance. This grade is typically used in aerospace landing gear, hydraulic actuators, fasteners, and high-performance valve components where the combination of strength, hardness, and modest corrosion resistance provides cost-effective performance compared to austenitic alternatives. Engineers select this material when weight savings and load-carrying capacity are critical but exposure is not to the most aggressive corrosive environments; the martensitic structure enables through-hardening to very high strength levels while maintaining acceptable toughness for structural duty.
14Cr Martensitic Stainless Steel (variant 6) is a chromium-based martensitic stainless steel alloyed with cobalt, molybdenum, and nickel to enhance hardness and toughness. This variant combines corrosion resistance typical of stainless steels with the strength characteristics of martensite metallurgy, making it suitable for demanding applications requiring both wear resistance and environmental durability. Engineers select this alloy over standard martensitic grades when applications demand higher toughness alongside corrosion resistance, or when operating temperatures and mechanical loads require the additional alloying elements present in this composition.
14Cr Martensitic Stainless Steel (variant 7) is a chromium-bearing iron alloy strengthened through martensitic transformation, with elevated carbon content and cobalt additions for enhanced hardness and wear resistance. This material is engineered for demanding applications requiring superior strength-to-weight ratio and corrosion resistance in moderately aggressive environments, commonly found in aerospace, energy, and precision tooling industries where high-performance metallurgy justifies the cost. The cobalt and molybdenum additions distinguish this variant as optimized for elevated-temperature service and fatigue-critical applications where conventional 400-series stainless steels prove insufficient.
14Cr Martensitic Stainless Steel (variant 8) is a high-carbon, cobalt-strengthened martensitic stainless steel engineered for maximum hardness and wear resistance. The elevated carbon content (~0.97%) combined with cobalt and molybdenum additions creates a material suited to demanding cutting, forming, and high-stress applications where both corrosion resistance and exceptional strength are required. This variant occupies a niche between standard martensitic stainless steels and tool steels, offering superior hardness while maintaining the corrosion resistance benefits of the 14Cr family—making it the choice when standard austenitic or lower-carbon martensitic grades cannot survive abrasive or corrosive service.
A high-carbon martensitic stainless steel with ~13.5% chromium, ~1.15% molybdenum, and elevated carbon content (~0.88%), designed for applications requiring both corrosion resistance and very high strength. This alloy combines the hardening capability of martensitic stainless steels with molybdenum additions for improved wear and corrosion resistance, making it suitable for demanding environments where both mechanical performance and oxidation resistance are critical. Compared to standard 13% chromium martensitic grades, the higher carbon and molybdenum content raises hardness and fatigue resistance at the trade-off of reduced toughness, directing it toward precision components rather than general-purpose cutlery or structural applications.
14Ni-14Co-1.5Mo-2.1Ti is an ultra-high-strength maraging steel engineered through precipitation hardening of a nickel-cobalt matrix, achieving exceptional strength-to-weight ratios without the brittleness typical of conventional hardened steels. It is widely used in aerospace structural components, rocket motor casings, landing gear, and tooling applications where extreme strength combined with damage tolerance is critical. Engineers select this alloy when weight savings and reliable performance under extreme stress are non-negotiable, particularly in applications where traditional tool steels or titanium alloys would be too heavy or cost-prohibitive.
14Ni-15Co-0.5Ti maraging steel is an ultra-high-strength iron-nickel-cobalt alloy that hardens through precipitation of intermetallic phases during age-hardening rather than carbon content, enabling excellent combination of strength and toughness with minimal distortion during heat treatment. Maraging steels are used in aerospace (landing gear, structural forgings), military ordnance (gun barrels, missile casings), and precision tooling where weight savings and dimensional stability are critical. This nickel-cobalt composition is chosen over conventional maraging grades when maximum strength density and corrosion resistance are required, and it offers superior performance to conventional high-strength steels in applications where post-heat-treat machining and welding precision cannot tolerate significant distortion.
14Ni-15Co-1.4Ti is a ultra-high-strength maraging steel engineered for extreme performance in weight-critical applications where both strength and some ductility are essential. This nickel-cobalt-titanium system achieves its strength through precipitation hardening during aging rather than carbon content, enabling a combination of high strength with improved toughness and low distortion during heat treatment compared to conventional tool steels. It is primarily used in aerospace, defense, and tooling industries where designers need to reduce component mass while maintaining reliability under severe loading conditions.
14Ni-15Co-1.9Mo maraging steel is a precipitation-hardened iron-nickel alloy engineered for ultra-high strength without the brittleness typical of conventional hardened steels. The high nickel and cobalt content, combined with controlled molybdenum and titanium additions, enables age-hardening to exceptional strength levels while maintaining useful ductility and toughness—making this alloy a preferred choice where weight savings and reliability cannot be compromised. Applications include aerospace structures, defense systems, tooling for high-pressure forming, and critical aerospace fasteners, where the combination of damage tolerance and exceptional strength-to-weight ratio justifies the premium material cost.
14Ni-15Co Maraging Steel is an iron-based martensitic alloy strengthened by precipitation of intermetallic phases during age-hardening, combining high strength with respectable toughness and ductility at room temperature. Used primarily in aerospace, defense, and precision tooling where weight-critical applications demand ultra-high strength without brittleness, it is favored over conventional high-strength steels and some titanium alloys because it offers superior machinability in the solution-annealed state, excellent weldability, and predictable hardening through controlled heat treatment. Its high cobalt and nickel content makes it more expensive than standard tool steels, but the combination of strength, damage tolerance, and dimensional stability under thermal cycling justifies adoption in demanding environments.
14Ni-9Co-3.0Mo is a nickel-cobalt maraging steel—a precipitation-hardened iron alloy designed to achieve very high strength through aging heat treatment rather than carbon hardening. The high nickel and cobalt content, combined with molybdenum and trace amounts of titanium, aluminum, and vanadium, enables strength development without brittleness, making it suitable for demanding applications requiring both high strength and toughness. This alloy is used in aerospace, defense, and precision manufacturing where weight savings and reliability are critical, and is valued over conventional high-strength steels when superior combination of strength, ductility, and fatigue resistance is needed.
1.55C High Carbon Steel is an ultra-high carbon ferrous alloy with substantial nickel (16.7%) and silicon (9%) additions, creating a hard, wear-resistant material designed for extreme strength and edge retention. This composition—likely a specialized tool steel or bearing steel variant—is found in precision cutting tools, dies, gauges, and applications demanding exceptional hardness and minimal deformation under load. Engineers select this alloy when conventional carbon steels cannot meet wear resistance or dimensional stability requirements, though the low elongation reflects the brittle nature typical of high-carbon, highly alloyed systems.
15Cr-1Ni Duplex Stainless is a ferrite-austenite two-phase stainless steel combining moderate chromium content with low nickel addition, designed for corrosion resistance and structural strength in moderately aggressive environments. This material balances cost efficiency against full austenitic stainless steels by reducing nickel demand while maintaining duplex phase benefits, making it suitable for applications requiring good corrosion resistance without premium alloying costs. Its composition suggests use in industrial equipment, piping systems, and equipment exposed to mildly corrosive media where standard ferritic stainless steels would be insufficient but full duplex or austenitic grades are economically unjustified.
This is a duplex stainless steel with elevated cobalt (~13.4%) and carbon (~0.75%) content, combining a ferritic-austenitic microstructure with strengthening phases that distinguish it from conventional duplex grades. The high cobalt and carbon levels suggest this variant is engineered for elevated-temperature strength and wear resistance, positioning it in specialized applications demanding superior mechanical performance beyond standard duplex stainless steels. Notable versus conventional duplex grades (2205, 2507), this composition targets demanding aerospace, power generation, or wear-critical applications where thermal fatigue and abrasion resistance outweigh corrosion pitting resistance as the primary design driver.
15Cr-5Ni duplex stainless steel is a two-phase ferritic-austenitic stainless alloy with elevated cobalt and silicon content, positioned as a high-strength variant within the duplex family. The dual-phase microstructure delivers an attractive combination of strength and ductility while maintaining corrosion resistance superior to ferritic grades. This composition is suited for demanding structural and wear-resistant applications where engineers need to balance load-carrying capacity with environmental durability, particularly in moderately corrosive or abrasive service conditions.
15Cr-6Ni is a cobalt-strengthened austenitic stainless steel combining moderate chromium and nickel content with significant cobalt and silicon additions to achieve high strength while maintaining austenitic microstructure. This alloy is engineered for high-temperature and high-strength applications where conventional austenitic stainless steels (like 304 or 316) prove insufficient, offering superior strength-to-weight performance in demanding structural and thermal service. The cobalt and silicon additions distinguish it from commodity austenitic grades, making it suitable for aerospace, energy, and medical device applications where both corrosion resistance and load-bearing capacity are critical.
15Cr-8Ni-1.5Mo is a martensitic stainless steel with significant cobalt and titanium additions, designed for high-strength applications requiring corrosion resistance. The cobalt strengthening and moderate molybdenum content position this alloy for aerospace, turbomachinery, and critical fastener applications where both corrosion resistance and elevated-temperature mechanical performance are demanded. Engineers select this composition over standard 300-series austenitic stainless steels when weight savings and higher strength-to-density ratios are critical, though its martensitic structure requires careful heat treatment and stress-relief protocols to avoid brittleness.
15Cr-8Ni is a precipitation-hardened austenitic stainless steel containing significant cobalt and aluminum, designed to achieve high strength while maintaining corrosion resistance typical of chromium-nickel stainless alloys. It is used primarily in aerospace and high-temperature structural applications where combined corrosion resistance, strength, and thermal stability are required—particularly in jet engine components, fasteners, and pressure vessels operating in demanding environments. The cobalt and aluminum additions enable precipitation hardening, making this alloy notably stronger than conventional austenitic stainless steels, though it trades some ductility for increased load-carrying capacity in high-stress applications.
A precipitation-hardened austenitic stainless steel combining chromium (15.4%), nickel (8%), and aluminum (2.45%) to achieve high strength through age-hardening mechanisms while retaining austenitic phase stability. This variant represents a specialty engineered stainless designed to balance corrosion resistance with elevated strength, positioning it between conventional austenitic grades and martensitic/precipitation-hardened stainless families. Industries deploying this alloy seek high-strength corrosion-resistant components where standard 300-series austenitic grades are insufficient, yet full martensitic hardening behavior is undesirable; applications include aerospace fasteners, pressure vessels, springs, and chemical equipment operating in moderately corrosive environments at elevated temperatures.
15Cr martensitic stainless steel is an iron-based alloy hardened through heat treatment, combining chromium for corrosion resistance with carbon and molybdenum for strength and wear resistance. It is used in demanding applications requiring a balance of hardness, toughness, and corrosion resistance—particularly in aerospace components, turbine blades, and precision tooling where both environmental durability and mechanical performance are critical. Engineers select this alloy when austenitic stainless steels lack sufficient strength or when tool steels need improved corrosion resistance in moderately corrosive service environments.
15Cr martensitic stainless steel (variant 10) is a high-carbon, cobalt-strengthened martensitic stainless alloy designed for applications requiring exceptional hardness and wear resistance. The elevated carbon and cobalt content, combined with molybdenum and chromium additions, enable this steel to achieve high strength through martensitic hardening while maintaining corrosion resistance in moderately aggressive environments. This material bridges the gap between tool steels and corrosion-resistant alloys, making it suitable for demanding applications where both wear performance and some corrosion tolerance are required.
A precipitation-hardened martensitic stainless steel containing 15% chromium, cobalt, molybdenum, and vanadium additions designed to achieve ultra-high strength in the hardened condition. This material combines the corrosion resistance of stainless steels with exceptional hardness and strength through carefully balanced carbon and intermetallic precipitate formation. It is used in demanding aerospace, defense, and precision tooling applications where both corrosion resistance and extreme strength are required simultaneously—notably in landing gear components, valve bodies, fasteners, and cutting tools that must resist both environmental attack and severe mechanical loading.
This is a high-carbon martensitic stainless steel heavily alloyed with cobalt, tungsten, molybdenum, and vanadium—a composition typical of premium tool steels and high-speed steels rather than conventional stainless grades. The 15% chromium content provides corrosion resistance while the interstitial elements (carbon, nitrogen) and refractory additions (W, Mo, V, Co) create an extremely hard, wear-resistant microstructure suited to extreme-duty cutting and forming applications. This variant represents a research or specialized production composition optimized for applications demanding both corrosion resistance and exceptional hardness, positioning it between conventional martensitic stainless steels and cobalt-based superalloys.
A high-carbon, cobalt-strengthened 15% chromium martensitic stainless steel with deliberate additions of molybdenum, vanadium, and nitrogen for enhanced hardness and wear resistance. This variant occupies the intersection of stainless corrosion resistance and tool steel performance, making it suitable for demanding applications requiring both environmental durability and extreme hardness. The elevated carbon content and secondary hardening elements position it for specialized use cases where conventional martensitic stainless steels (like 440C or 12Cr) prove insufficient in edge retention or abrasive resistance.
A cobalt-strengthened martensitic stainless steel with ~15% chromium and elevated carbon content, designed to achieve high hardness and wear resistance through martensitic transformation and precipitation hardening. This variant is typically used in demanding applications requiring superior edge retention and fatigue strength, where corrosion resistance must be balanced with extreme mechanical performance—such as high-speed cutting tools, specialized valve components, and aerospace fasteners operating under cyclic loading.
A high-carbon martensitic stainless steel strengthened by cobalt and molybdenum additions, with controlled vanadium and aluminum content to refine carbide structure and support precipitation hardening. This composition variant represents an advanced martensitic stainless optimized for applications demanding both high strength and corrosion resistance, bridging the capabilities of conventional 15Cr martensitic grades (like 420) and premium tool steel performance. Typical applications include high-performance cutting tools, aerospace fasteners, and industrial pump impellers where corrosion resistance cannot be sacrificed for strength—making it a preferred alternative to austenitic stainless in load-bearing roles or to unalloyed martensitic stainless in corrosive environments.