... SS316, SS416, SS4202. Steel:C45(K1045), C46(K1046),C203. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200 ... , yellow passivation, gold passivation, galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding and ... stamping, thread cutting tools, sheet metal production processing factory. 5.can assure the mechanical properties and ...