Carbon steel lost wax casting, machinery part Standard: JIS, DIN, ASTM, BS High quality, ... East and East Asia, and are widely used in the industries of auto, train, engineering, construction, chemical, metallurgy, and boat machinery ... . Material: Stainless steel / Carbon steel / Alloy steel etc.Process: lost wax casting+blasting+machining are available.Machining: turning, milling, drilling, grinding ...