... Surface Roughness:Ra6.4~12.5 high impact value Wrought non-ferrous metal Machine castingDuctile iron casting comply with regulation of the ISO9001 ... forming,Dropped forging3). Machining: Lathe, Boring, Vertical , Horizontal, Milling, Saw etc.4). Material: carbone steel,alloy steel,stainless steel, ductile ... Please contact us at any time for more information. Wrought non-ferrous metal Machine casting