1. 42CrMo4, C45, 304, 316, F1, F91. 3. Rough machining, Finished machining 4.ISO9001:2008,BV,SG 1.Name:casting2.Material: carbon steel, alloy steel or stainless steel3.Certificates:ISO9001-2008,GL,ABS4.Min order:1 pcs5.Payment times:T/T OR L/C6.Delivery time: 30 days after receiving your prepayment7.Forged process:hot forged N or Q+T, TESTING with UT,PT,MT.8.Size:big size or customers requipment9 ...