... : alloy steel , aluminum alloy Standard: 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 ... ,forging/forged/flange,formwork/scaffold,pipe/pipe fitting/coupling,valve,auto part,motor shell/motor body,bolt,railway plate,gray ...