16Cr Martensitic Stainless Steel (variant 4) is a high-carbon, cobalt-reinforced martensitic stainless steel engineered for extreme hardness and wear resistance through precipitation hardening. The elevated carbon content (0.8%), vanadium, molybdenum, and significant cobalt addition (13.1%) create a material optimized for applications demanding superior strength and edge retention, positioning it between conventional tool steels and premium stainless grades. This composition suggests a specialized tool or wear-resistant application steel, chosen where corrosion resistance must coexist with the hardness and toughness typically reserved for non-stainless martensitic alloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 11.00 | % | Measured | ||
Ultimate Tensile Strength(σUTS) | 303.8 | ksi | Measured | ||
Yield Strength (0.2% offset)(σy) | 217.8 | ksi | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data