Steel connecting rod steel forging. maching, brass coating Steel casting Connect rodOur ... relationships on our mutural benifits.Process:Drop forged,heat treated,CNC machined,die forgingmaterial:Stainless steel,carbon steel,alloy steel,20CrMoTi,34CrMo ... ,40CrMnMo,16MnCr ETC...Standard:ASTM,ASME,AISI,BS,DIN,JIS connecting rod