C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/32 (2006.01) C22C 38/18 (2006.01) C22C 38/26 (2006.01) C22C 38/30 (2006.01)
Patent
CA 2383165
A hot working die steel contains 0.05 - 0.25% C, 0.30% or less Si, 0.30% or less Mn, 1.0% or less Ni, 5.0 - 13.0% Cr, 2.0% or less Mo, 1.0 - 8.0% W, 1.0 - 10.0% Co, 0.003 - 0.020% B, 0.005 - 0.050% N, and the balance consisting essentially of Fe and unavoidable impurities. If desired, the hot working die steel may further contain 0.01 - 1.0% V and 0.01 - 1.0% of at least one kind selected from Nb and Ta.
Kayano Rinzo
Maeda Eiji
Riches Mckenzie & Herbert Llp
The Japan Steel Works Ltd.
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