13Cr Martensitic Stainless (var. 6)

metal

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.

aerospace fasteners and landing geardownhole oil and gas toolssurgical implants and orthopedic hardwarehigh-strength valve componentsturbomachinery rotor componentscorrosive environment structural fasteners

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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ksi——
Yield Strength (0.2% offset)(σy)
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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.