Hot work tool steel with good temper resistance

Details Hot work tool steel with good temper resistance Hot work tool steel with good temper resistance

C - Chemistry, Metallurgy

22

C

75/129

C22C 38/24 (2006.01) C22C 38/22 (2006.01)

Patent

CA 1339652

An improved hot work tool steel has higher hardness capability and better temper resistance above 1100 F and better wear resistance than AISI type H13 and better toughness and ductility than AISI type H10 or type H21. The steel alloy contains essentially the following in weight percent: Carbon 0.55 Max. Manganese 1.5 Max. Silicon 2.0 Max. Chromium 3.5-6.0 Molybdenum 1.5-3.0 Vanadium 0.50-1.50 and the balance is essentially iron except for the usual impurities found in commercial grades of hot work tool steels. Carbon and chromium are balanced within the composition such that % carbon ~ 0.09 x % chromium.

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