Copper, UNS C61900, HT04 Temper, Flat Products

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Copper, UNS C61900, HT04 Temper, Flat Products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Hard Temper and Treated Fabrication Properties: Excellent Suitability – Gas Shielded Arc Welding, Capacity for Being Hot Formed; Good Suitability – Coated Metal Arc Welding, Spot Weld, Seam Weld, Butt Weld; Fair Suitability – Soldering, Brazing, Capacity for Being Cold Worked Common Fabrication Processes: Bending; Blanking; Forming; Shearing; Stamping Typical uses: Contacts; Springs; Switch Components; Marine Hardware Applicable Specifications: Bar – ASTM B124/B124M, ASTM B150/B150M; Die – Forgings ASTM B283/B283M; Electrode – Welding MILITARY MIL-E-23765/3; Forgings, Die (Hot Pressed) – ASME SB283; Rod – ASTM B124/B124M; Rod, Bar & Shapes - Aluminum Bronze ASME SB150, Aluminum Bronze ASTM B150/B150M; Shapes – ASTM B150/B150M, ASTM B124/B124M
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Physical Properties	Metric	English	Comments

Density	7.50 g/cc	0.271 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	931 MPa @Thickness 1.02 mm	135000 psi @Thickness 0.0400 in
Tensile Strength, Yield	827 MPa @Thickness 1.02 mm	120000 psi @Thickness 0.0400 in	0.2% Offset
Elongation at Break	2.0 % @Thickness 1.02 mm	2.0 % @Thickness 0.0400 in
Tensile Modulus	110 GPa	16000 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000164 ohm-cm	0.0000164 ohm-cm	10.5% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C	9.00 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.418 J/g-°C	0.100 BTU/lb-°F
Thermal Conductivity	6.61 W/m-K	45.9 BTU-in/hr-ft²-°F
Melting Point	1041 - 1050 °C	1905 - 1920 °F
Solidus	1041 °C	1905 °F
Liquidus	1050 °C	1920 °F
Annealing Point	538 - 788 °C	1000 - 1450 °F

Processing Properties	Metric	English	Comments
Hot-Working Temperature	549 - 827 °C	1020 - 1520 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	8.5 - 10 %	8.5 - 10 %
Copper, Cu	84.1 - 88.5 %	84.1 - 88.5 %	As Balance
Iron, Fe	3.0 - 4.5 %	3.0 - 4.5 %
Lead, Pb	<= 0.020 %	<= 0.020 %
Tin, Sn	<= 0.60 %	<= 0.60 %
Zinc, Zn	<= 0.80 %	<= 0.80 %

Descriptive Properties
US EPA Registered Antimicrobial	Yes

References for this datasheet.

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MC61900x6 / 293030

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