hot forged alloy and carbon round steel bar (1) Rough Turned (2) Normalized/Q+T/Annealed ( ... 3) Certificate:ISO9001:2008 hot forged alloy and carbon round steel bar 5CrMnMo Zhangjiagang Yongsheng Casting Co.,Ltd is a ... in producing forging, carbon steels, alloy steels, tool steels, forged round bars, square bars.Wehave integrated with smelting,forging,machining andheat ...