Sand Casting Process Iron Hand Wheels for machine part 1. Materials: 1) GB/T1348-1988 HT 150-HT250, QT450-10, QT500-7 2) ATSMA536 65-45-12 ASTM 70-50-05 3) EN1563: 1997 EN-GJS-450-10 2 process sand casting, precision casting, machining etc 3 machine lathe, CNC, drilling machine, milling machine, boring machine 4 surface treatment powder coating, painting, spraying, coppering
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