This is a low-carbon manganese steel with significant nickel content (~17%), creating a austenitic or austenitic-ferritic duplex steel microstructure designed for high strength combined with improved toughness and corrosion resistance compared to conventional low-carbon steels. The alloy balances economy (low carbon, moderate manganese) with metallurgical refinement (nickel, trace alloying elements), making it suitable for structural applications requiring both strength and environmental durability. Its composition positions it as an engineering alternative where corrosion resistance and impact performance are needed alongside reasonable cost, common in marine, offshore, and certain automotive structural roles.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 8.000 | - | — | ||
Ultimate Tensile Strength(σUTS) | 172.9 | ksi | — | ||
Yield Strength (0.2% offset)(σy) | 164.9 | ksi | — |