aisi 4145 yield strength
rty | AISI 4145 | AISI 4340 | AISI 4140 | |----------|------------|------------|------------| | Composition | Cr-Mo alloy | Cr-Mo-Ni alloy | Cr-Mo alloy | | Typical yield strength (hardened) | 90,000–130,000 psi | 110,000–140,000 psi | 75,000–100,000 psi | | Toughness | Excellen