1. 42CrMo4, C45, 304, 316, F1, F91. 3. Rough machining, Finished machining 1.Name:forged shaft linder shaft cylinder roller2.Material:alloy steel or stainless steel3.Certificates:ISO9001-2008,GL,ABS4.Min order:1 pcs5.Payment times:T/T OR L/C6.Delivery time:5-30days after receiving your prepayment7.Forged process:hot forged N or Q+T8.Size:big size or customers requipment9.Packing: in wooden cases, ...