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Chemical Composition & Physical Properties

Grade	Chemical Composition (mass fraction) %
	Cu	Fe1)	Pb	Al	Mn	Sn	Ni4)	Zn	Total impurity content
H85	84.0~86.0	0.10	0.03	-	-	-	0.5	remain	0.3

Grade	Condition	Tensile Test			Hardness Test
		Thickness/mm	Tensile Rm/ (N/mm2)	Elongation after fracture %	HV	HRB
TU2	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