Zinc ZA-8 (Zn-8Al-1Cu-0.02Mg), Permanent Mold Cast

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Zinc ZA-8 (Zn-8Al-1Cu-0.02Mg), Permanent Mold Cast
Categories:	Metal; Nonferrous Metal; Zinc Alloy
Material Notes:	Recommended Casting Temperature 435-460°C
Key Words:	ASTM B791; ASTN B669; UNS Z35635 (Ingot); UNS Z35636 (castings)
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Physical Properties	Metric	English	Comments

Density	6.30 g/cc	0.228 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	87	87	500 kg load; 10 mm hardened steel ball
Hardness, Knoop	111	111	Estimated from Brinell Value
Hardness, Rockwell A	37	37	Estimated from Brinell Value
Hardness, Rockwell B	54	54	Estimated from Brinell Value
Hardness, Vickers	100	100	Estimated from Brinell Value
Tensile Strength, Ultimate	240 MPa @Diameter 12.7 mm	34800 psi @Diameter 0.500 in
Tensile Strength, Yield	208 MPa @Strain 0.2 %	30200 psi @Strain 0.2 %
Elongation at Break	1.3 %	1.3 %	in 5 cm
Modulus of Elasticity	85.5 GPa	12400 ksi
Compressive Strength	210 MPa	30500 psi
Fatigue Strength	52.0 MPa @# of Cycles 5.00e+8	7540 psi @# of Cycles 5.00e+8	Reverse Bend
Shear Strength	242 MPa	35100 psi
Charpy Impact, Unnotched	20.0 J @Thickness 10.0 mm	14.8 ft-lb @Thickness 0.394 in	square bar

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000620 ohm-cm	0.00000620 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	112 J/g	48.2 BTU/lb
CTE, linear	23.2 µm/m-°C @Temperature 20.0 °C	12.9 µin/in-°F @Temperature 68.0 °F
Specific Heat Capacity	0.435 J/g-°C	0.104 BTU/lb-°F
Thermal Conductivity	115 W/m-K	798 BTU-in/hr-ft²-°F
Melting Point	375 - 404 °C	707 - 759 °F
Solidus	375 °C	707 °F
Liquidus	404 °C	759 °F

Processing Properties	Metric	English	Comments
Casting Temperature	435 - 460 °C	815 - 860 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	8.0 - 8.8 %	8.0 - 8.8 %	Addition, Casting
	8.2 - 8.8 %	8.2 - 8.8 %	Addition, Ingot form
Cadmium, Cd	<= 0.0050 %	<= 0.0050 %	Impurity, Ingot form
	<= 0.0060 %	<= 0.0060 %	Impurity, Casting
Copper, Cu	0.80 - 1.3 %	0.80 - 1.3 %	Addition, Casting
	0.80 - 1.3 %	0.80 - 1.3 %	Addition, Ingot form
Iron, Fe	<= 0.065 %	<= 0.065 %	Impurity, Ingot form
	<= 0.075 %	<= 0.075 %	Impurity, Casting
Lead, Pb	<= 0.0050 %	<= 0.0050 %	Impurity, Ingot form
	<= 0.0060 %	<= 0.0060 %	Impurity, Casting
Magnesium, Mg	0.015 - 0.030 %	0.015 - 0.030 %	Addition, Casting
	0.020 - 0.030 %	0.020 - 0.030 %	Addition, Ingot form
Tin, Sn	<= 0.0020 %	<= 0.0020 %	Impurity, Ingot form
	<= 0.0030 %	<= 0.0030 %	Impurity, Casting
Zinc, Zn	89.793 - 90.98 %	89.793 - 90.98 %	As balance; Ingot per ASTM B 669
	89.78 - 91.185 %	89.78 - 91.185 %	As balance; Castings per ASTM B 791

References for this datasheet.

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MZN801 / 14567

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