Material | Carbon steel, alloy steel, stainless steel | ||||||
Process | Lost wax casting + cnc machining | ||||||
Casting dimension tolerance | CT4-CT6 (GB/T 6414),CT7-CT9 (GB/T 6414) | ||||||
Material Standard | GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR | ||||||
Machining | tapping, milling, grinding, drilling, cnc machining | ||||||
Tolerance | Tolerance | ||||||
Surface treatment | E-coating, Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, black oxide, Painting, Hot galvanizing,Powder coating, Nickel plating | ||||||
Heat treatment | quchenging and tempering, annealing, normalizing |