12Cr-9Ni Austenitic Stainless (var. 2)
metalA precipitation-hardened austenitic stainless steel with chromium and nickel as primary alloying elements, supplemented by molybdenum for enhanced corrosion resistance and aluminum and titanium for age-hardening strengthening. This variant is engineered for applications demanding high strength combined with corrosion resistance, particularly in moderately elevated temperature environments where traditional 300-series austenitic stainless steels fall short. The composition sits between commodity austenitic grades and specialty superalloys, making it suitable for demanding aerospace, petrochemical, and industrial pump/valve components where a balance of formability, weldability, and strength-to-weight performance is critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | — | - | — | — | |
Ultimate Tensile Strength(σUTS) | — | ksi | — | — | |
Yield Strength (0.2% offset)(σy) | — | ksi | — | — |