forged alloy steel AISI 4130,AISI4140,AISI 4340 ISO9001:2008, (1) Rough Turned (2) Normalized/ ... +T/Annealed forged alloy steel AISI 4130,AISI4140,AISI 4340 ISO9001:2008 Product Specifications/Features:Size: 20-1000mmLength: ... etcHot rolled steel60CrMo 60CrMnMoA 60CrMoV.,etcForgingRound bars square bars stepped bearingAlloy steel42CrMo4,4140,4130,4340.30CrNiMo8Alloy tool steel5CrNiMo 5CrMnMo 9SiCr ...