... SCW480,SCW450,ZG275-485Cast Iron,Gray Iron,Ductile IronStainless Steel-SUS 316L,316,304Copper,Bronze,Tin Bronze,etc.StandardASTM ... ForgingForging MaterialHigh Strength Alloy Steel,Alloy Steel40CrNiMo,34CrNiMo,42CrMo,35CrMoCarbon Steel:S45#,S35#,S20#Stainless Steel:SUS316L,SUS316,SUS304Forging ProcessingIngot ... will get our quickly reply! brass components : pipe coupling/metal rings/machine components