1,Hot! hot die forged steel shaft 2,High quality and lowest price 3,Fast delivery time. Sichuan ... follows:Hot Die Forged ShaftForged Materials as follows : 1.Alloy Steel : USA1330,1340,1345,4028,4032,4042,4118,4120 ... machining →surface treatment →product checking→ packing →deliveryForging MaterialCarbon Steel, Alloy steel,Stainless steelStandardISO, GB, ASTM, DIN, JISProduce EquipmentFriction Screw ...