... , Brass, Phosphor Bronze, Copper Nickel Silver, SGCC, Ni-200, Alloy 42, Beryllium(Be-Cu), Alloy 194, C7025, Ti-Cu aluminium,stainless steel,carbon ... -Hard Gold/ Flsh Gold, 30u", 50u", & Soft Gold-50u" 75u".Ni-Pd-Au, Silver, Zinc, Anodized ,brushing ,painting, E.D. Coating ...