Zinc Alloy

Chemical Specification (per ASTM) for ZAMAK Alloys
	#3		#5		#7		#2
	Ingot	Casting	Ingot	Casting	Ingot	Casting	Ingot	Casting
Al	3.9-4.3	3.5-4.3	3.9-4.3	3.5-4.3	3.9-4.3	3.5-4.3	3.9-4.3	3.5-4.3
Mg	.025-.05	.020-.05	.03-.06	.03- .08	.01-.020	.005-.020	.025-.05	.020-.050
Cu	.10 max	.25 max9	.75-1.25	.75-1.25	.10 max	.25 max	2.6-2.9	2.5-3.0
Fe (max)	.075	.10	.075	.10	.075	.075	.075	.10
Pb (max)	.004	.005	.004	.005	.0020	.003	.004	.005
Cd (max)	.003	.004	.003	.004	.0020	.002	. 003	.004
Sn (max)	.002	.003	.002	.003	.0010	.001	.002	.003
Ni (other)x10	-	-	-	-	.005-.020	.005-.020	-	-
Zn	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.

Chemical Specification (per ASTM) for ZA Alloys
	Ingot	Casting	Ingot	Casting	Ingot	Casting
Al	8.2-8.8	8.0- 8.8	10.8-11.5	10.5-11.5	25.5-28.0	25.0-28.0
Mg	.020-.030	.015-.030	.020-.030	.015-.030	.012-.020	.010-.020
Cu	0.8-1.3	.8- 1.3	0.5-1.2	0.5- 1.2	2.0-2.5	2.0-2.5
Fe (max)	.065	.075	.065	.075	.072	.075
Pb (max)	.005	.006	.005	.006	.005	.006
Cd (max)	.005	.006	.005	.006	.005	.006
Sn (max)	.002	.003	.002	.003	.002	.003
Ni (other)x10	-	-	-	-	-	-
Zn	Bal.	Bal.	Bal.	Bal.	Bal.	Bal.

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