... Casting ProcessSand Casting,Precision Casting,Investment CastingCasting MaterialHigh Strength Alloy Steel ,Alloy SteelASTM A148 135-125, 115-95,95- ... ForgingForging MaterialHigh Strength Alloy Steel,Alloy Steel 40CrNiMo,34CrNiMo,42CrMo,35CrMo Carbon Steel:S45#,S35#,S20# Stainless Steel:SUS316L,SUS316,SUS304Forging ProcessingIngot ... get our quickly reply . Komatsu excvavtor and bulldozer track link