UNS C84200, Copper Casting Alloy

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UNS C84200, Copper Casting Alloy
Categories:	Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes:	Casting methods recommended for this alloy: Centrifugal, Continuous, and Sand. Applications: Pipe fittings, elbows, T's, couplings, bushings, locknuts, plugs, unions. Classified under: Semi-red brasses and leaded semi-red brasses As cast values below are for sand casting. Alloy does not respond to heat treating
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Physical Properties	Metric	English	Comments

Density	8.70 g/cc	0.314 lb/in³	Estimated

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	60	60	500 kg
Tensile Strength, Ultimate	193 MPa	28000 psi	as cast
Tensile Strength, Yield	103 MPa	14900 psi	as cast
Elongation at Break	27 %	27 %	as cast
Tensile Modulus	96.5 GPa	14000 ksi
Machinability	80 %	80 %	UNS C36000 (free-cutting brass) = 100%

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000105 ohm-cm	0.0000105 ohm-cm	16.4% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 200 °C	10.0 µin/in-°F @Temperature 68.0 - 392 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	6.02 W/m-K	41.8 BTU-in/hr-ft²-°F
Melting Point	838 - 993 °C	1540 - 1820 °F
Solidus	838 °C	1540 °F
Liquidus	993 °C	1820 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	80 %	80 %
Lead, Pb	2.5 %	2.5 %
Tin, Sn	5.0 %	5.0 %
Zinc, Zn	12.5 %	12.5 %

References for this datasheet.

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MC84200b1 / 11903

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