Phosphor bronze 1.25% Sn, UNS C50500, H04, 0.015 mm Grain Size

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Phosphor bronze 1.25% Sn, UNS C50500, H04, 0.015 mm Grain Size
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability, good hot formability. Fabricated by blanking, bending, heading, and upsetting, shearing and swaging. Applications: electrical contacts, flexible hose, pole-line hardware. Test specimen: flat products - 1mm thickness.
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Physical Properties	Metric	English	Comments

Density	8.89 g/cc	0.321 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	69	69
Tensile Strength, Ultimate	441 MPa	64000 psi
Tensile Strength, Yield	434 MPa @Strain 0.2 %	62900 psi @Strain 0.2 %
Elongation at Break	5.0 %	5.0 %	In 50 mm
Modulus of Elasticity	117 GPa	17000 ksi
Poissons Ratio	0.33	0.33
Fatigue Strength	190 MPa @# of Cycles 1.00e+8	27600 psi @# of Cycles 1.00e+8
Machinability	20 %	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa	6380 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000360 ohm-cm @Temperature 20.0 °C	0.00000360 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	17.8 µm/m-°C @Temperature 20.0 - 300 °C	9.89 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	208 W/m-K @Temperature 20.0 °C	1440 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	1035 - 1075 °C	1895 - 1967 °F
Solidus	1035 °C	1895 °F
Liquidus	1075 °C	1967 °F
Annealing Point	482 - 649 °C	900 - 1200 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	475 - 650 °C	887 - 1200 °F
Hot-Working Temperature	800 - 875 °C	1470 - 1610 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	98.75 %	98.75 %
Iron, Fe	<= 0.10 %	<= 0.10 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Phosphorus, P	<= 0.35 %	<= 0.35 %
Tin, Sn	1.0 - 1.7 %	1.0 - 1.7 %
Zinc, Zn	<= 0.30 %	<= 0.30 %

References for this datasheet.

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MC50500b7 / 11493

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