... 3) Weight: 200kg~6000kg 4) Material: steel 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 ... , AISI 431, 20 CrMnMoStainless steel: ASTM 304, ASTM 304L, ASTM 316, ASTM 316LAny other material you required.3) We are ...