Aluminum Bronze, UNS C95500 Casting Alloy, TQ50 Temper

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Aluminum Bronze, UNS C95500 Casting Alloy, TQ50 Temper
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze; Copper Casting Alloy
Material Notes:	High strength, heat treatable. Recommended Casting Methods: Centrifugal, Continuous, Permanent Mold, Plaster, and Sand. Applications: Valve guides and seats in aircraft engines, corrosion-resistant parts, bushings, gears, worms, pickling hooks and baskets, agitators. ASTM B148; formerly ASTM B148-9D. Tempering: Solution treated at 855°C (1575°F), quenched, tempered 2 hours at 650°C (1200°F).
Key Words:	Nickel aluminum bronze, ASTM B148, ASTM B148-9D
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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	217 - 234	217 - 234	3000 kg load
Hardness, Rockwell B	96	96
Tensile Strength, Ultimate	760 - 800 MPa	110000 - 116000 psi
Tensile Strength, Yield	415 - 470 MPa	60200 - 68200 psi
Elongation at Break	5.0 - 14 %	5.0 - 14 %	in 50 mm
Reduction of Area	5.0 %	5.0 %
Creep Strength	17.0 MPa @Temperature 425 °C	2470 psi @Temperature 797 °F	for 0.00001%/h
	38.0 MPa @Temperature 370 °C	5510 psi @Temperature 698 °F	for 0.00001%/h
	72.0 MPa @Temperature 315 °C	10400 psi @Temperature 599 °F	for 0.00001%/h
Modulus of Elasticity	115 GPa	16700 ksi
Compressive Yield Strength	1030 MPa	149000 psi	at permanent set of 10%
Compressive Strength	1140 MPa	165000 psi
Poissons Ratio	0.32	0.32
Fatigue Strength	260 MPa @# of Cycles 1.00e+8	37700 psi @# of Cycles 1.00e+8	rotating beam
Machinability	50 %	50 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	42.0 GPa	6090 ksi
Shear Strength	44.0 MPa	6380 psi
Izod Impact	18.0 J @Temperature 20.0 °C	13.3 ft-lb @Temperature 68.0 °F
Charpy Impact	14.0 J	10.3 ft-lb	Keyhole

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000203 ohm-cm @Temperature 20.0 °C	0.0000203 ohm-cm @Temperature 68.0 °F
Magnetic Permeability	1.2	1.2	16 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	0.418 J/g-°C	0.0999 BTU/lb-°F
Thermal Conductivity	42.0 W/m-K @Temperature 20.0 °C	291 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	1040 - 1055 °C	1900 - 1931 °F
Solidus	1040 °C	1900 °F
Liquidus	1055 °C	1931 °F
Shrinkage	1.6 %	1.6 %	Patternmaker's Shrinkage (3/16 in./ft.)

Processing Properties	Metric	English	Comments
Annealing Temperature	620 - 705 °C	1150 - 1300 °F
Solution Temperature	855 °C	1570 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	10 - 11.5 %	10 - 11.5 %
Copper, Cu	>= 78 %	>= 78 %
Iron, Fe	3.0 - 5.0 %	3.0 - 5.0 %
Manganese, Mn	<= 3.5 %	<= 3.5 %
Nickel, Ni	3.0 - 5.5 %	3.0 - 5.5 %
Other, total	<= 0.50 %	<= 0.50 %

References for this datasheet.

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MC95410b3 / 193496

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