14Cr Martensitic Stainless (var. 7)
metal14Cr 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.
turbine blades and rotorshigh-strength fastenersaircraft landing gearprecision cutting toolspump and compressor componentspressure vessel internals
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | — | - | — | — | |
Ultimate Tensile Strength(σUTS) | — | ksi | — | — | |
Yield Strength (0.2% offset)(σy) | — | ksi | — | — |
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.