19Ni-15Co-1.8Mo-1.9Ti is a precipitation-hardening maraging steel engineered for extreme strength with minimal ductility loss, achieving hardness through intermetallic phase formation rather than carbon content. Its nickel-cobalt-molybdenum-titanium system is deployed in aerospace structural components, defense systems, and precision tooling where weight savings and damage tolerance are critical; engineers select maraging steels over conventional high-strength steels when fatigue resistance, toughness, and dimensional stability during heat treatment are equally important to raw strength.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 7.000 | % | Measured | ||
Ultimate Tensile Strength(σUTS) | 358.8 | ksi | Measured | ||
Yield Strength (0.2% offset)(σy) | 349.8 | ksi | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data