14Cr Martensitic Stainless (var. 5)

metal

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.

aerospace fasteners and hardwarelanding gear componentshydraulic pistons and actuatorshigh-strength valve bodiespressure vessel closuresturbine blades (non-marine)

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.