Copper Alloy, UNS C69240, HR02 Temper, Bar

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Copper Alloy, UNS C69240, HR02 Temper, Bar
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: 1/2 Hard and Stress Relieved Fabrication Properties: Excellent Suitability – Soldering, Capacity for Being Hot Formed; Good Suitability – Brazing, Oxyacetylene Welding, Gas Shielded Arc Welding, Coated Metal Arc Welding, Spot Weld, Seam Weld, Butt Weld, Capacity for Being Cold Worked Applicable Specifications: Rod – ASTM B371/B371M; Rod, Bar & Shapes – Forgings ASTM B124/B124M
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Physical Properties	Metric	English	Comments

Density	8.33 g/cc	0.301 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	70	70
Tensile Strength	517 MPa	75000 psi
Tensile Strength, Yield	372 MPa	54000 psi	0.2% Offset
Elongation at Break	29 %	29 %
Tensile Modulus	103 GPa	15000 ksi
Modulus of Rigidity	39.18 GPa	5682 ksi	Calculated
Poissons Ratio	0.32	0.32
Machinability	75 %	75 %
Forgeability	95 %	95 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000190 ohm-cm	0.0000190 ohm-cm	9% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	18.7 µm/m-°C @Temperature 20.0 - 300 °C	10.4 µin/in-°F @Temperature 68.0 - 572 °F
Thermal Conductivity	2.59 W/m-K	18.0 BTU-in/hr-ft²-°F
Melting Point	870.0 - 877 °C	1598 - 1610 °F
Solidus	870.0 °C	1598 °F
Liquidus	877 °C	1610 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	71 - 72.5 %	71 - 72.5 %
Iron, Fe	<= 0.20 %	<= 0.20 %
Lead, Pb	<= 0.25 %	<= 0.25 %
Manganese, Mn	0.60 - 1.2 %	0.60 - 1.2 %
Nickel, Ni	0.10 - 0.50 %	0.10 - 0.50 %
Phosphorus, P	0.060 - 0.12 %	0.060 - 0.12 %
Silicon, Si	1.8 - 2.2 %	1.8 - 2.2 %
Tin, Sn	<= 0.30 %	<= 0.30 %
Zinc, Zn	22.9 - 26.4 %	22.9 - 26.4 %	As Balance

References for this datasheet.

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MC69240x2 / 292366

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