Patent ID: 6896847
Filing Date: 2005-05-24
Classification: B22F,C21D,C22C

Abstract:
1. Steel alloy for plastic molding tools, having a chemical composition consisting essentially of in weight-%, 0.16-0.27 C 0.06-0.13 N, wherein the total content of C+N shall satisfy the condition 0.3≦C+N≦0.4 0.1-1.5 Si 0.1-1.2 Mn 12.5-14.5 Cr 0.5-1.7 Ni 0.2-0.8 Mo 0.1-0.5 V optionally one or more of the elements S, Ca and O for the improvement of the cutability of the steel, in amounts up to max. 0.15% S max. 0.1% (100 ppm) Ca max. 0.01% (100 ppm) O, balance iron and unavoidable impurities.