Aluminum Bronze, UNS C95500, Casting Alloy, As-Cast

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Aluminum Bronze, UNS C95500, Casting Alloy, As-Cast
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. Classified under: Aluminum bronzes. ASTM B148; formerly ASTM B148-9D
Key Words:	Nickel aluminum bronze, ASTM B148, ASTM B148-9D
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Physical Properties	Original Value	Comments

Density	7.53 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	183 - 192	3000 kg load
Hardness, Rockwell B	87
Tensile Strength, Ultimate	620 - 710 MPa
Tensile Strength, Yield	275 - 310 MPa
Elongation at Break	6.0 - 14 %	in 50 mm
Reduction of Area	7.0 %
Creep Strength	17.0 MPa @Temperature 425 °C	for 0.00001%/h
	38.0 MPa @Temperature 370 °C	for 0.00001%/h
	72.0 MPa @Temperature 315 °C	for 0.00001%/h
Modulus of Elasticity	110 GPa
Compressive Yield Strength	825 MPa	at permanent set of 10%
Compressive Strength	895 MPa
Poissons Ratio	0.32
Fatigue Strength	215 MPa @# of Cycles 1.00e+8	rotating beam
Machinability	50 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	42.0 GPa
Izod Impact	18.0 J @Temperature 20.0 °C
Charpy Impact	14.0 J	Keyhole

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000203 ohm-cm @Temperature 20.0 °C
Magnetic Permeability	1.3	16 kA/m field strength

Thermal Properties	Original Value	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.418 J/g-°C
Thermal Conductivity	42.0 W/m-K @Temperature 20.0 °C
Melting Point	1040 - 1055 °C
Solidus	1040 °C
Liquidus	1055 °C
Shrinkage	1.6 %	Patternmaker's Shrinkage (3/16 in./ft.)

Processing Properties	Original Value	Comments
Annealing Temperature	620 - 705 °C

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

Descriptive Properties
Elastic Limit	310 MPa	as cast
	415 MPa	TQ50 temper

References for this datasheet.

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MC95500b1 / 11965

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