How the tempering temperature effect the property of AISI 4140 steel?
Low alloy high strength steel AISI 4140 has been widely used in the field of machinery, aviation, petroleum, Marine and other low-temperature parts such as shaft, gear, connecting rod; Transmission gear, turbocharger gear, engine cylinder, spring clamp, oil drill pipe clamp and other parts; In the mold manufacturing industry, AISI 4140 is suitable for large…