Steel connecting rod steel forging. maching, brass coating Steel casting Connect rodOur products have been export to many foreign countries. We produce the forged ring according to ... ,die forgingmaterial:Stainless steel,carbon steel,alloy steel,20CrMoTi,34CrMo,42CrMo,20NiCrMo,35CrMo,40CrMnMo,16MnCr ETC...Standard:ASTM,ASME,AISI,BS,DIN,JIS connecting rod