Patent ID: 9194018
Filing Date: 2015-11-24
Classification: C21D,C22C

Abstract:
1. A microalloyed steel with resistance to hydrogen embrittlement for the cold forming of machine parts, comprising a chemical composition, besides the iron and the inevitable residual impurities that result from the smelting of the steel, given as percentages by weight: 0.3≦C %≦0.5 0.20≦Mo %≦0.45 0.4≦Mn %≦1.0 1.11≦Cr %≦2.0 0.04≦Ni %≦0.8 0.02≦Nb %≦0.045 0.03≦V %≦0.30 0.02≦Ti %≦0.05, with Ti>3.5 N 0.003≦B %≦0.005%