10Ni-12Co Maraging Steel (variant 3) is a high-strength, precipitation-hardened steel belonging to the maraging family, characterized by exceptionally high nickel and cobalt content with moderate carbon levels. This ultra-high-strength alloy is used in aerospace structures, high-performance military applications, and precision tooling where the combination of extreme strength, toughness, and dimensional stability is critical. Engineers select maraging steels over conventional high-strength steels when weight savings, fatigue resistance, and the ability to maintain hardness at elevated temperatures are essential, making this variant particularly suited to demanding aerospace and defense platforms.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 15.40 | - | — | ||
Ultimate Tensile Strength(σUTS) | 228.4 | ksi | — | ||
Yield Strength (0.2% offset)(σy) | 212.2 | ksi | — |