Gnee Steel-AISI 4140 Alloy Steel

Structural steel material 4140 alloy tool steel 42CrMo grade tool steel 42CrMo steel is ultra-high-strength steel with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit, and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness.