Copper-Bismuth Alloy, UNS C89841, M07 Temper, As Continuous Cast

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Copper-Bismuth Alloy, UNS C89841, M07 Temper, As Continuous Cast
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: As Sand Cast Fabrication Properties: Excellent Suitability – Soldering, Brazing, Capacity for Being Hot Formed; Good Suitability – Oxyacetylene Welding, Spot Weld, Seam Weld, Butt Weld; Poor Suitability – Capacity for Being Cold Worked
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Physical Properties	Original Value	Comments

Density	0.301 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Brinell	105 @Load 500 kg
Tensile Strength	63.1 ksi
Tensile Strength, Yield	23.5 ksi	0.2% Offset
Elongation at Break	31 %
Machinability	80 %
Forgeability	85 %

Thermal Properties	Original Value	Comments
CTE, linear	10.3 µin/in-°F @Temperature 20.0 - 100 °C
Thermal Conductivity	22.0 BTU-in/hr-ft²-°F
Melting Point	1589 - 1633 °F
Solidus	1589 °F
Liquidus	1633 °F

Processing Properties	Original Value	Comments
Processing Temperature	>= 536 °F	Stress Relief
Hot-Working Temperature	>= 1382 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	<= 0.010 %
Antimony, Sb	<= 0.10 %
Bismuth, Bi	0.50 - 1.0 %
Copper, Cu	73 - 77 %
Iron, Fe	<= 0.10 %
Lead, Pb	<= 0.10 %
Manganese, Mn	<= 0.10 %
Silicon, Si	2.8 - 3.4 %
Tin, Sn	<= 0.30 %
Zinc, Zn	18 - 23 %

References for this datasheet.

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MC89841x1 / 292599

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