16Cr Martensitic Stainless (var. 7)

metal

16Cr martensitic stainless steel (variant 7) is a high-carbon, cobalt-strengthened stainless alloy designed for extreme hardness and wear resistance. The elevated carbon (0.75%), vanadium (0.53%), and significant cobalt (14.9%) content—combined with molybdenum and nitrogen—create a material engineered for demanding applications requiring superior edge retention and resistance to abrasion. This composition family is selected when conventional martensitic stainless steels cannot meet hardness or fatigue performance thresholds, particularly in precision tooling, high-stress structural components, and aerospace applications where corrosion resistance cannot be sacrificed for strength.

precision cutting toolsbearing races and rolling elementsaerospace fasteners and shaftshigh-stress valve componentswear-resistant pump impellersturbine blade attachments

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property OverviewNormalized to typical max values

Property	Value	Unit	Conditions
Elongation at Break(εf)	11.50	-	—
Ultimate Tensile Strength(σUTS)	291.3	ksi	—
Yield Strength (0.2% offset)(σy)	217.8	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.

16Cr Martensitic Stainless (var. 7)

Mechanical Properties

Regulatory Screening

Environmental

Quality & Standards

Industry-Specific