Hydraulic parts Material Standard: ASTM,AISI, DIN, BS and JIS Casting weight0.3-100KG Dimension Tolerance: CT7. Water glass process casting Hydraulic parts Material Standard: ASTM,AISI, DIN, BS and JISCasting weight 3-300 KGDimension Tolerance: CT7Process surface Ra 0.8The product no disfigurement of casting Hydraulic parts