Cold work steel and cold work tool

Details Cold work steel and cold work tool Cold work steel and cold work tool

C - Chemistry, Metallurgy

22

C

C22C 38/24 (2006.01) C21D 6/00 (2006.01) C22C 38/22 (2006.01) C21D 1/18 (2006.01) C21D 9/00 (2006.01)

Patent

CA 2488793

The invention concerns a cold work steel having the following chemical composition in weight-%: 0.60-0.85 C from traces to 1.5 (Si+Al) 0.1-2.0 Mn 3.0- 7.0 Cr 1.5-4.0 (Mo+ ), however max. 1.0 W 0.30-0.65 V max. 0.1 of each of Nb, Ti, and Zr max. 2.0 Co max. 2.0 Ni balance essentially only iron and unavoidable impurities.

L'invention concerne un acier d'écrouissage présentant la composition chimique suivante en % en poids : 0,60 à 0,85 de C ; des traces à 1,5 de (Si+Al) ; 0,1 à 2,0 de Mn ; 3,0 à 7,0 de Cr, 1,5 à 4,0 de (Mo+W/2), maximum 1,0 de W ; 0,30 à 0,65 de V ; 0,1 maximum de Nb, Ti et Zr ; 2,0 maximum de Co ; 2,0 de Ni et un équilibre essentiellement entre le fer et des impuretés inévitables.

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