Table 2. (a) Chemical Composition on Nickel Used wt %, (b) Chemical Composition on SS wt %, and (c) Chemical Composition on Brass wt %.

(a)
Cu	Fe	Mn	C	Si	S	Ni
0.24	0.38	0.33	0.14	0.32	0.01	balance

(b)
C	Mo	Cr	Mn	P	S	Si	N	Fe
0.08	2	16	2	0.08	0.03	0.75	0.1	balance

(c)
Cu	Al	Pb	Sn	Zn	Fe	Ni	Sn
61.4	0.4	1.1	0.9	33.6	0.6	1.0	0.9