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1. Sand casting 1 Casting Process sand casting 2 Material Range Ductile cast iron, Gray iron, Carbon steel, Alloy steel, Non-ferrous metals etc. 3 Material Standard GB. ASTM. AISI. DIN. BS. JIS. NF. AS. AAR 4 Weight range 0.5kg 50,000Kg 5 Output 6000T/year 6 Casting Dimension Tolerance CT9 CT12 7 Machining Surface Roughness Ra 0.8.um Ra 6.3um 8 Surface finish shot blasting, Galvanizing, Grinding, Painting etc. 2. Investment casting 1 Casting Process Lost wax investment casting 2 Material Range Ductile cast iron, Carbon steel, Stainless steel, Alloy steel, Non-ferrous metals etc. 3 Material Standard GB. ASTM. AISI. DIN. BS. JIS. NF. AS. AAR 4 Weight range 0.05kg 200Kg 5 Output 30000pcs/month 6 Casting Dimension Tolerance CT5 7 7 Casting Surface Roughness Ra 1.6um 3.2um 8 Machining Surface Roughness Ra 0.8um Ra 6.3um 9 Surface finish shot blasting, Galvanizing, Polishing, Painting etc. 3. Die casting