... 3.Machine offered 4.Surface treatment offered Customizing cast iron pipe clamp casting follow your sample or drawings: ... service5. Welcome customized designs6. Sand castingMaterial:Grey iron, ductile iron, malleable iron, stainless steel, carbon steel, aluminium, brass ... 90KG Tolerance :CT7 Grade Details: Material Grey iron,ductile iron,malleable iron,stainless steel, carbon steel,aluminium,brass etc ...