... 400mm 3,weight of single piece between 50kg and 5t 4,plane vertical height must AISI 1020 forged valve body min OD ... Power Station auxiliary machinery factory,etc.3.MOQ:1 Piece 4.Payment term: T/T or L/C at sight 5 ... 5CrMnMo,40Cr,42CrMo,20Cr2Ni4,5CrNiMo,15CrNiMo,20CrNiMo,35CrMo,40CrNiMo,etc.4, accept processing on giving materials. 5, excellent heat treatment. AISI ...