... 2. Typical products:Scaffold fittings, Template parts, Railway fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center ... for other castings: categoryExamplesCarbon steels 1020, 1030, 1040, 1050Low alloy steels 4130, 4140, 4330, 4620, 52100, 6120, 6150, ... , 17-4PHIron ( all grades)Gray iron, Ductile iron, alloy ironAluminumASTM A356, A360, A380, ADC12 etc. Piston Casting for ...