15Cr-6Ni is a cobalt-strengthened austenitic stainless steel combining moderate chromium and nickel content with significant cobalt and silicon additions to achieve high strength while maintaining austenitic microstructure. This alloy is engineered for high-temperature and high-strength applications where conventional austenitic stainless steels (like 304 or 316) prove insufficient, offering superior strength-to-weight performance in demanding structural and thermal service. The cobalt and silicon additions distinguish it from commodity austenitic grades, making it suitable for aerospace, energy, and medical device applications where both corrosion resistance and load-bearing capacity are critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 14.00 | - | — | ||
Ultimate Tensile Strength(σUTS) | 175.9 | ksi | — | ||
Yield Strength (0.2% offset)(σy) | 163.9 | ksi | — |