... ASTM, JIS, BS, DIN, EN, ISO Operation: investment\sand casting Size:13-26Casting:Materials: alloy steel , aluminum alloy Standard: ... ASTM, JIS, BS, DIN, EN, ISO Operation: investment casting and sand casting Surface finish: sand blasting, sand blasting, oiled, zinc, ... and heat treatment Product weight: 0.5 to 300kg Precision machining: CNC lathes, milling, drilling, planning, grinding machines ...