17Cr Martensitic Stainless

metal

A cobalt-strengthened martensitic stainless steel with ~17% chromium, molybdenum, and vanadium additions designed for ultra-high-strength applications requiring corrosion resistance. This composition—particularly the cobalt content (~13%) and elevated carbon/nitrogen—suggests a premium tool steel or aerospace-grade alloy engineered to combine hardness and wear resistance with stainless properties, positioning it between conventional martensitic stainless steels (like 440C) and cobalt-bearing superalloys. The material is used in demanding environments where both mechanical strength and corrosion/oxidation resistance are critical, such as cutting tools, aerospace fasteners, and high-performance bearings, offering superior performance compared to standard martensitic grades in high-temperature or chemically aggressive settings.

aerospace fasteners and componentsprecision cutting tools and dieshigh-temperature turbine applicationscorrosion-resistant bearingsmedical implant hardwareoil and gas downhole equipment

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Elongation at Break(εf)
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-——
Ultimate Tensile Strength(σUTS)
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Pa——
Yield Strength (0.2% offset)(σy)
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Pa——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Quality & Standards

Industry-Specific

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.