4145

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

82 Grade F22 Composition: Similar to AISI 4145, with comparable chromium and molybdenum content. Application: Often used for high-temperature and high-pressure applications, such as flanges, valves, and fittings. Properties: High strength, good toughness, and excellent