Medium leaded naval brass, UNS C48200

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Medium leaded naval brass, UNS C48200
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Fair to excellent corrosion resistance. Good hot workability for hot forging, pressing, and machining operations. Applications: marine hardware, screw machine products, valve stems. Available as flat products, rod, shape.
Key Words:	ISO CuZn37Pb1Sn1, ISO CuZn36Sn1Pb, CEN CW712R, CEN CW714R
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Physical Properties	Metric	English	Comments

Density	8.44 g/cc	0.305 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	386 - 517 MPa	56000 - 75000 psi
Tensile Strength, Yield	172 - 365 MPa	24900 - 52900 psi	Depending on temper
Elongation at Break	43 %	43 %	in 381 mm.
Modulus of Elasticity	100 GPa	14500 ksi
	100 GPa	14500 ksi
Poissons Ratio	0.28	0.28	Calculated
	0.28	0.28	calculated
Machinability	50 %	50 %	UNS C36000 (free-cutting brass) = 100%
	50 %	50 %	UNS C36000 (free-cutting brass) = 100%
Forgeability	90 %	90 %
Shear Modulus	39.0 GPa	5660 ksi
	39.0 GPa	5660 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000663 ohm-cm @Temperature 20.0 °C	0.00000663 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	21.2 µm/m-°C @Temperature 20.0 - 300 °C	11.8 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	116 W/m-K	805 BTU-in/hr-ft²-°F
Melting Point	885 - 900 °C	1630 - 1650 °F
	885 - 900 °C	1630 - 1650 °F
Solidus	885 °C	1630 °F
Liquidus	900 °C	1650 °F
Annealing Point	427 - 593 °C	800 - 1100 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 600 °C	797 - 1110 °F
Hot-Working Temperature	650 - 760 °C	1200 - 1400 °F
Recrystallization Temperature	360 °C @Diameter 19.0 mm	680 °F @Diameter 0.748 in	Rod cold drawn 30%

Component Elements Properties	Metric	English	Comments
Copper, Cu	59 - 62 %	59 - 62 %
Iron, Fe	<= 0.10 %	<= 0.10 %
Lead, Pb	0.40 - 1.0 %	0.40 - 1.0 %
Tin, Sn	0.50 - 1.0 %	0.50 - 1.0 %
Zinc, Zn	38 %	38 %

References for this datasheet.

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MC48200b1 / 11471

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