Copper Alloy, UNS C69430, O60 Temper, Rod

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Copper Alloy, UNS C69430, O60 Temper, Rod
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Soft Anneal Fabrication Properties: Excellent Suitability – Soldering, Brazing, Capacity for Being Hot Formed; Good Suitability – Oxyacetylene Welding, Spot Weld, Seam Weld, Butt Weld, Capacity for Being Cold Worked Common Fabrication Processes: Forging; Screw Machining Typical uses: Valve Stems Applicable Specifications: Rod – ASTM B371/B371M
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Physical Properties	Original Value	Comments

Density	0.260 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	85 @Thickness 50.8 mm
	85 @Thickness 25.4 mm
	85 @Thickness 12.7 mm
Tensile Strength	80.0 ksi @Thickness 50.8 mm
	85.0 ksi @Thickness 25.4 mm
	90.0 ksi @Thickness 12.7 mm
Tensile Strength, Yield	40.0 ksi @Thickness 50.8 mm	0.5% Ext
	43.0 ksi @Thickness 25.4 mm	0.5% Ext
	45.0 ksi @Thickness 12.7 mm	0.5% Ext
Elongation at Break	20 % @Thickness 12.7 mm
	25 % @Thickness 50.8 mm
	25 % @Thickness 25.4 mm
Tensile Modulus	16000 ksi
Machinability	30 %
Forgeability	80 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000280 ohm-cm	6.2% IACS

Thermal Properties	Original Value	Comments
CTE, linear	11.2 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	15.0 BTU-in/hr-ft²-°F
Melting Point	1510 - 1685 °F
Solidus	1510 °F
Liquidus	1685 °F

Component Elements Properties	Original Value	Comments
Arsenic, As	0.030 - 0.060 %
Copper, Cu	80 - 83 %
Iron, Fe	<= 0.20 %
Lead, Pb	<= 0.30 %
Silicon, Si	3.5 - 4.5 %
Zinc, Zn	12.1 - 16.5 %	As Balance

References for this datasheet.

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MC69430x2 / 292385

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