Zinc ZA-27 (Zn-27Al-2Cu-0.015Mg), Sand Cast and Heat Treated

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Zinc ZA-27 (Zn-27Al-2Cu-0.015Mg), Sand Cast and Heat Treated
Categories:	Metal; Nonferrous Metal; Zinc Alloy
Material Notes:	Used in bearing applications. ZA-27 has a higher bearing load capacity than bronze bearing alloys, although its environment (both temperature and corrosive) is more limited.
Key Words:	Zinc Foundry Alloy; UNS Z35841 (Castings); UNS Z35840 (Ingot)
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	5.02 g/cc	0.181 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	119	119	500 kg load; 10 mm hardened steel ball
Hardness, Knoop	149	149	Estimated from Brinell Value
Hardness, Rockwell A	46.5	46.5	Estimated from Brinell Value
Hardness, Rockwell B	74	74	Estimated from Brinell Value
Hardness, Vickers	135	135	Estimated from Brinell Value
Tensile Strength, Ultimate	426 MPa	61800 psi
Tensile Strength, Yield	371 MPa	53800 psi	0.2% Offset
Elongation at Break	2.5 %	2.5 %	in 5 cm
Compressive Strength	359 MPa	52100 psi
Fatigue Strength	117 MPa @# of Cycles 5.00e+8	17000 psi @# of Cycles 5.00e+8	Reverse Bend
Fracture Toughness	20.2 MPa-m½	18.4 ksi-in½
Shear Strength	325 MPa	47100 psi
Charpy Impact, Unnotched	12.0 J @Thickness 6.35 mm	8.85 ft-lb @Thickness 0.250 in	square bar
Coefficient of Friction	0.030 - 0.070	0.030 - 0.070

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000580 ohm-cm	0.00000580 ohm-cm

Thermal Properties	Metric	English	Comments
Heat of Fusion	128 J/g	55.1 BTU/lb
CTE, linear	26.0 µm/m-°C @Temperature 20.0 - 200 °C	14.4 µin/in-°F @Temperature 68.0 - 392 °F
Specific Heat Capacity	0.525 J/g-°C	0.125 BTU/lb-°F
Thermal Conductivity	125 W/m-K	868 BTU-in/hr-ft²-°F
Melting Point	376 - 484 °C	709 - 903 °F
Solidus	376 °C	709 °F
Liquidus	484 °C	903 °F

Processing Properties	Metric	English	Comments
Casting Temperature	515 - 545 °C	959 - 1010 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	25 - 28 %	25 - 28 %	Addition, Casting
	25.5 - 28 %	25.5 - 28 %	Addition, Ingot form
Cadmium, Cd	<= 0.0050 %	<= 0.0050 %	Impurity, Ingot form
	<= 0.0060 %	<= 0.0060 %	Impurity, Casting
Copper, Cu	2.0 - 2.5 %	2.0 - 2.5 %	Addition, Casting
	2.0 - 2.5 %	2.0 - 2.5 %	Addition, Ingot form
Iron, Fe	<= 0.072 %	<= 0.072 %	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	0.010 - 0.020 %	0.010 - 0.020 %	Addition, Casting
	0.012 - 0.020 %	0.012 - 0.020 %	Addition, Ingot form
Tin, Sn	<= 0.0020 %	<= 0.0020 %	Impurity, Ingot form
	<= 0.0030 %	<= 0.0030 %	Impurity, Casting
Zinc, Zn	69.396 - 72.488 %	69.396 - 72.488 %	As balance; Ingot per ASTM B 669
	69.39 - 72.99 %	69.39 - 72.99 %	As balance; Castings per ASTM B 791

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Zinc ZA-27 (Zn-27Al-2Cu-0.015Mg), Sand Cast
Zinc ZA-12 (Zn-11Al-1Cu-0.025Mg), Sand Cast
Ampco Metal AMPCO® 18 Aluminum Bronze, Extruded and Drawn Rods, 25.4 - 76.2 mm.
Zinc ZA-27 (Zn-27Al-2Cu-0.015Mg), Die Cast
Zinc ZA-12 (Zn-11Al-1Cu-0.025Mg), Die Cast

MZN27B / 14521

Free Trade Publications, Click Here!

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message