... shaft Forging Shafts1) Dimension RANGEDiameter150mm~400mmLength1m~10mWeight200~6000kg2) MaterialCarbon steel: AISI 1020, AISI 1035, AISI 1045, GrD( ... Q235), Gr50 ( Q 345)Alloy Steel: AISI 1053, AISI A387Cr.12, 20CrMo, AISI 4137, ... AISI 4140, AISI 4340, AISI 431, 20 CrMnMoStainless steel: ASTM 304, ASTM 304L, ASTM 316, ASTM 316LAny ... possible, welcome to our factory. forging steel shafts