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Chemical Composition & Physical Properties

Grade	Chemical Composition (mass fraction) %
	Cu+Ag	P	Ag	Bi2)	Sb2)	As2)	Fe	Ni	Pb	Sn	S	Zn	O
T23)	99.90	-	-	0.001	0.002	0.002	0.005	-	0.005	-	0.005	-	-

Grade	Condition	Tensile Test			Hardness Test
		Thickness/mm	Tensile Rm/ (N/mm2)	Elongation after fracture %	HV	HRB
T2	M	≥ 0.2	≥195	≥30	≤70	-
	Y4		215~275	≥25	60~90
	Y2		245~345	≥8	80~110
	Y		295~380	≥30	90~120
	T		≥350	-	≥110