Aluminum Bronze, UNS C95300 Casting Alloy, TQ50 Temper

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Aluminum Bronze, UNS C95300 Casting Alloy, TQ50 Temper
Categories:	Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes:	Heat treatable. Except where noted, all property values listed below are for sand casting. Recommended Casting Methods: Centrifugal, Continuous, Permanent Mold, Plaster, and Sand. Applications: Electrical applications, pickling baskets, nuts, gears, steel mill slippers, marine equipment, welding jaws, non-sparking hardware. Classified under: Aluminum bronzes. ASTM B148; formerly ASTM B148-9B Tempering: Solution treated at 855°C (1575°F), quenched, tempered 2 hours at 620°C (1150°F).
Key Words:	Aluminum bronze, ASTM B148, ASTM B148-9B
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Physical Properties	Metric	English	Comments

Density	7.53 g/cc	0.272 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	174	174	3000 kg
Hardness, Rockwell B	81	81
Tensile Strength, Ultimate	550 MPa	79800 psi
Tensile Strength, Yield	275 MPa	39900 psi
Elongation at Break	12 %	12 %	in 50 mm
Reduction of Area	14 %	14 %
Modulus of Elasticity	110 GPa	16000 ksi
Compressive Strength	825 MPa	120000 psi
Poissons Ratio	0.314	0.314
Machinability	55 %	55 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	42.0 GPa	6090 ksi
Charpy Impact	37.0 J @Temperature -20.0 - 100 °C	27.3 ft-lb @Temperature -4.00 - 212 °F	Keyhole

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000133 ohm-cm @Temperature 20.0 °C	0.0000133 ohm-cm @Temperature 68.0 °F
Magnetic Permeability	1.07	1.07	8 kA/m field strength

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C	9.00 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.375 J/g-°C	0.0896 BTU/lb-°F
Thermal Conductivity	63.0 W/m-K @Temperature 20.0 °C	437 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	1040 - 1045 °C	1900 - 1913 °F
Solidus	1040 °C	1900 °F
Liquidus	1045 °C	1913 °F
Shrinkage	1.6 %	1.6 %	Patternmaker's Shrinkage (3/16 in./ft.)

Processing Properties	Metric	English	Comments
Annealing Temperature	595 - 650 °C	1100 - 1200 °F
Solution Temperature	855 °C	1570 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	9.0 - 11 %	9.0 - 11 %
Copper, Cu	>= 86 %	>= 86 %
Iron, Fe	0.80 - 1.5 %	0.80 - 1.5 %
Other, total	<= 1.0 %	<= 1.0 %

Descriptive Properties
Elastic Limit	125 MPa		as cast
	205 MPa		TQ50 temper

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.

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MC95300b2 / 193497

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