... Ra6.4~12.5 5. Max Casting Size: 1 meter 6. Casting Weight: 0.2~200Kg 7. Productivity ... Casting Process: Investment Casting , Sand Casting, Die Casting, Lost Wax Casting, Precision Casting, Gravity Casting, CNC Machining 9. Material: Carbon Steel , Alloy Steel, Stainless Steel, Gray Iron, Ductile Iron ... drawings or samples are welcome for customized. Investment Casting of Suspension Parts for Trailers