Tool Steel
Equivalent Grades: GB 4Cr5MoSiV1, JIS SKD61, ASTM H13, DIN X40CrMoV5-1. SKD61 is the tool steel, mold steel, and middle carbon steel possessing high hardness and wear resistance after heat treatment. It also has the good performance of hardenability and thermal fatigue stability. SKD61 not only supports huge mechanical stress, but also thermal stress during working repeatedly. It is widely used to produce the cutting tools (drilling cutter, circular cutter, scissor, etc.), cold/heat work dies and measuring implements and further to manufacture the pistons, valves, valve seats of fuel pump of diesel engine, and ejector sleeves, punching machine, and other tools which work in high temperature condition.