Free-cutting phosphor bronze, UNS C54400

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Free-cutting phosphor bronze, UNS C54400
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Good to excellent corrosion resistance. Excellent machinability, good cold workability. Fabricated by blanking, drawing, bending, machining, shearing, stamping. Applications: bearings, bushings, gears, pinions, shafts, thrust washers, valve parts. Available as flat products, rod.
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Physical Properties	Metric	English	Comments

Density	8.89 g/cc	0.321 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	303 - 517 MPa	43900 - 75000 psi
Tensile Strength, Yield	131 - 434 MPa	19000 - 62900 psi	Depending on temper
Elongation at Break	50 %	50 %	in 381 mm.
Modulus of Elasticity	103 GPa	14900 ksi
	103 GPa	14900 ksi
Poissons Ratio	0.32	0.32	Calculated
	0.321	0.321
Machinability	80 %	80 %	UNS C36000 (free-cutting brass) = 100%
	80 %	80 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	39.0 GPa	5660 ksi
	39.0 GPa	5660 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000910 ohm-cm @Temperature 20.0 °C	0.00000910 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	17.3 µm/m-°C @Temperature 20.0 - 300 °C	9.61 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	87.0 W/m-K @Temperature 20.0 °C	604 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	930 - 1000 °C	1710 - 1830 °F
Solidus	930 °C	1710 °F
Liquidus	1000 °C	1830 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	88 %	88 %
Iron, Fe	<= 0.10 %	<= 0.10 %
Lead, Pb	3.5 - 4.5 %	3.5 - 4.5 %
Phosphorus, P	0.010 - 0.50 %	0.010 - 0.50 %
Tin, Sn	3.5 - 4.5 %	3.5 - 4.5 %
Zinc, Zn	1.5 - 4.5 %	1.5 - 4.5 %

References for this datasheet.

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MC54400b1 / 11560

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