Aluminum Bronze, UNS C95200, Copper Casting Alloy

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Aluminum Bronze, UNS C95200, Copper Casting Alloy
Categories:	Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes:	Casting methods recommended for this alloy: Centrifugal, Continuous, Permanent Mold, Plaster, and Sand. Applications: Acid-resisting pumps, bearings, gears, valve seats, guides, plungers, pump rods, bushings. Classified under: Aluminum bronzes. ASTM B148; formerly ASTM B148-9A Typical data for sand-cast test bars. Alloy does not respond to heat treating. Casting shrinkage allowance is 1.6%
Key Words:	Aluminum bronze, ASTM B148, ASTM B148-9A
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Physical Properties	Original Value	Comments

Density	7.64 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	125	3000 kg
Hardness, Rockwell B	64
Tensile Strength, Ultimate	550 MPa	as cast
	390 MPa @Temperature 315 °C
	400 MPa @Temperature 300 °C
	450 MPa @Temperature 250 °C
	490 MPa @Temperature 200 °C
	525 MPa @Temperature 150 °C
	550 MPa @Temperature 100 °C
	570 MPa @Temperature 25.0 °C
	570 MPa @Temperature 50.0 °C
Tensile Strength, Yield	185 MPa	as cast
	185 MPa @Strain 0.5 %, Temperature 150 °C
	185 MPa @Strain 0.5 %, Temperature 200 °C
	190 MPa @Strain 0.5 %, Temperature 250 °C
	190 MPa @Strain 0.5 %, Temperature 100 °C
	195 MPa @Strain 0.5 %, Temperature 300 °C
	195 MPa @Strain 0.5 %, Temperature 315 °C
	200 MPa @Strain 0.5 %, Temperature 50.0 °C
	205 MPa @Strain 0.5 %, Temperature 25.0 °C
Elongation at Break	35 %	in 50 mm
Reduction of Area	3.0 % @Temperature 150 °C
	23 % @Temperature 315 °C
	24 % @Temperature 300 °C
	30 % @Temperature 250 °C
	32 % @Temperature 200 °C
	38 % @Temperature 100 °C
	43 % @Temperature 50.0 °C
	46 % @Temperature 25.0 °C
Creep Strength	54.0 MPa @Temperature 315 °C	for 0.00001%/h
	145 MPa @Temperature 230 °C	for 0.00001%/h
Modulus of Elasticity	105 GPa
Poissons Ratio	0.31
Fatigue Strength	150 MPa @# of Cycles 1.00e+8	rotating beam
Machinability	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	39.0 GPa
Izod Impact	40.0 J @Temperature -18.0 - 38.0 °C
Charpy Impact	27.0 J @Temperature -18.0 - 38.0 °C	Keyhole

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000144 ohm-cm
Magnetic Permeability	1.2	at 16,000 A/m

Thermal Properties	Original Value	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.380 J/g-°C
Thermal Conductivity	50.0 W/m-K @Temperature 20.0 °C
Melting Point	1040 - 1045 °C
Solidus	1040 °C
Liquidus	1045 °C
Shrinkage	2.0 %	Patternmaker's Shrinkage

Processing Properties	Original Value	Comments
Annealing Temperature	650 - 745 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	8.5 - 9.5 %
Copper, Cu	>= 86 %
Iron, Fe	2.5 - 4.0 %
Other, total	<= 1.0 %

References for this datasheet.

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MC95200b1 / 11961

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