... to drawing 4 Blank product 5 45# steel,carbon steel Forged connecting rodMateriel :carbon steel ,alloy steelCertification:ISO9001;2008Process:forgedTreatment ... of the products for your reference.1)Process:Drop forged,heat treated,CNC machined,die forging2)material:carbon steel, ... ,20NiCrMo,35CrMo,40CrMnMo,16MnCr ETC...4)Standard:ASTM,ASME,AISI,BS,DIN,JIS5)Main products:flange,forging blank,gears, ...