Copper Alloy, UNS C42500, H04 Temper, Flat Products

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Copper Alloy, UNS C42500, H04 Temper, Flat Products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Hard Fabrication Properties: Excellent Suitability – Soldering, Brazing, Capacity for Being Cold Worked; Good Suitability – Oxyacetylene Welding, Gas Shielded Arc Welding, Butt Weld; Fair Suitability – Capacity for Being Hot Formed Common Fabrication Processes: Blanking; Drawing; Forming; Piercing Typical Uses: Weather Stripping; Pen Clips; Connectors; Electrical Connectors; Fuse Clips; Switch Springs; Switches; Terminals; Bushings; Contact Springs Applicable Specifications: Bar – ASTM B591; Plate – ASTM B591; Sheet - ASTM B591; Strip – ASTM B888/B88M, ASTM B591
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Physical Properties	Metric	English	Comments

Density	8.75 g/cc	0.316 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	86	86
Hardness, Rockwell 30T	73	73
Tensile Strength	524 MPa	76000 psi
Tensile Strength, Yield	434 MPa	63000 psi	0.2% Offset
	503 MPa	73000 psi	0.2% Offset, Typical
Elongation at Break	9.0 %	9.0 %
Machinability	30 %	30 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000610 ohm-cm	0.00000610 ohm-cm	28% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	18.4 µm/m-°C @Temperature 20.0 - 100 °C	10.2 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	9.94 W/m-K	69.0 BTU-in/hr-ft²-°F
Melting Point	1010 - 1030 °C	1850 - 1890 °F
Solidus	1010 °C	1850 °F
Liquidus	1030 °C	1890 °F
Annealing Point	427 - 704 °C	800 - 1300 °F

Processing Properties	Metric	English	Comments
Hot-Working Temperature	790.6 - 840.6 °C	1455 - 1545 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	87 - 90 %	87 - 90 %
Iron, Fe	<= 0.050 %	<= 0.050 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Phosphorus, P	<= 0.35 %	<= 0.35 %
Tin, Sn	1.5 - 3.0 %	1.5 - 3.0 %
Zinc, Zn	6.6 - 11.5 %	6.6 - 11.5 %	As Balance

Descriptive Properties
US EPA Registered Antimicrobial	Yes

References for this datasheet.

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MC42500x6 / 291937

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