Chemical Composition of Alloys (%)

Grade	Mg	Al	Zn	Mn	Si(max)	Cu(max)	Ni(max)	Fe(max)	Other Impurites(max)
									Each	Total
High Potential	Balance	0.01 max	-	0.5-1.30	0.05	0.02	0.001	0.03	0.05	0.30
AZ63-A	Balance	5.30-6.70	2.5-3.50	0.15-0.70	0.10	0.02	0.002	0.003	-	0.30

Electrochemical Properties

Grade	Open-Circuit Voltge (-v respect to Cu/CuSO4	Closed-Circuit Voltage (-v respect to Cu/CuSO4)	Actual Capacity (A.h/lb)	Current Efficiency (%)
High Potential	1.70-1.80	1.50-1.75	≥500	≥50
AZ63	1.50-1.60	1.45-1.55	≥500	≥50
AZ31	1.55-1.65	1.45-1.55	≥500	≥50

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