13Cr-8Ni is a precipitation-hardening austenitic stainless steel that combines chromium and nickel for corrosion resistance with aluminum and molybdenum additions to enable age-hardening strengthening. This variant is engineered for applications requiring both high strength and corrosion resistance, positioning it between standard austenitic stainless steels (which rely on work-hardening) and martensitic precipitation-hardening grades. It is commonly used in aerospace fasteners, chemical processing equipment, and high-performance pump/compressor components where engineers need superior mechanical properties without sacrificing corrosion performance in moderately aggressive environments.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 14.30 | - | — | ||
Ultimate Tensile Strength(σUTS) | 207.6 | ksi | — | ||
Yield Strength (0.2% offset)(σy) | 189.7 | ksi | — |