... . Brass:C36000 (C26800), C37700 (HPb59), C38500(HPb58), C27200(CuZn37), C28000(CuZn40) etc.4. Bronze: C51000, C52100, C54400, etc.5. Iron: grey iron and ductile ... iron6. Aluminum: 6061, 6063,7075,5052 etc.E.Processing Method cnc machining, turning, milling, drilling, grinding, broaching, welding and ...