Tin Bronze, UNS C90500, Copper Casting Alloy

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Tin Bronze, UNS C90500, Copper Casting Alloy
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze; Copper Casting Alloy
Material Notes:	Property data for sand cast specimens. Casting methods recommended for this alloy: Centrifugal, Continuous, Investment, and Sand. Applications: Bearings and bushings, pump impellers, valve components, seal rings, steam fittings, gears. Classified under: Tin bronzes. ASTM B22; ASTM B584; formerly ASTM B22-D; ASTM B143-1A Alloy does not respond to heat treating
Key Words:	Tin Bronze, G Bronze, ASTM B22; ASTM B584; ASTM B22-D; ASTM B143-1A
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Physical Properties	Original Value	Comments

Density	8.72 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	75	500 kg
Tensile Strength, Ultimate	310 MPa
Tensile Strength, Yield	150 MPa
Elongation at Break	25 %	In 50 mm
Modulus of Elasticity	105 GPa
Compressive Strength	275 MPa
Fatigue Strength	90.0 MPa @# of Cycles 1.00e+8
Machinability	30 %	UNS C36000 (free-cutting brass) = 100%
Izod Impact	14.0 J

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000015673 ohm-cm @Temperature 20.0 °C	11% IACS
Magnetic Permeability	1.0

Thermal Properties	Original Value	Comments
CTE, linear	20.0 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.376 J/g-°C
Thermal Conductivity	74.0 W/m-K @Temperature 20.0 °C
Melting Point	854 - 1000 °C
Solidus	854 °C
Liquidus	1000 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	<= 0.0050 %
Antimony, Sb	<= 0.20 %
Copper, Cu	86 - 89 %
Iron, Fe	<= 0.15 %
Lead, Pb	<= 0.30 %
Nickel, Ni	<= 1.0 %
Phosphorus, P	<= 0.050 %
Silicon, Si	<= 0.0050 %
Sulfur, S	<= 0.050 %
Tin, Sn	9.0 - 11 %
Zinc, Zn	1.0 - 3.0 %

References for this datasheet.

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MC90500b1 / 11928

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