Copper Alloy, UNS C43400, OS025 Temper, Flat Products

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Copper Alloy, UNS C43400, OS025 Temper, Flat Products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Nominal Grain Size 0.025 mm Fabrication Properties: Excellent Suitability – Soldering, Brazing, Capacity for Being Cold Worked; Good Suitability – Oxyacetylene Welding, Gas Shielded Arc Welding, Spot Weld, Butt Weld; Fair Suitability – Capacity for Being Hot Formed Common Fabrication Processes: Blanking; Bonding; Drawing; Shearing; Stamping Typical Uses: Blades; Contacts; Electrical Connectors; Relay Springs; Switch Parts Applicable Specifications: Bar – ASTM B591; Plate – ASTM B591; Sheet – ASTM B591; Strip – ASTM B591
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Physical Properties	Original Value	Comments

Density	0.316 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	65
Hardness, Rockwell 30T	26
Tensile Strength	46.0 ksi
Tensile Strength, Yield	16.0 ksi	0.5% Ext
Elongation at Break	48 %
Tensile Modulus	18000 ksi
Modulus of Rigidity	6000 ksi
Machinability	30 %
Shear Strength	37.0 ksi

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000550 ohm-cm	31% IACS

Thermal Properties	Original Value	Comments
CTE, linear	10.5 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	79.0 BTU-in/hr-ft²-°F
Melting Point	1810 - 1870 °F
Solidus	1810 °F
Liquidus	1870 °F
Annealing Point	800 - 1250 °F

Processing Properties	Original Value	Comments
Hot-Working Temperature	1500 - 1600 °F

Component Elements Properties	Original Value	Comments
Copper, Cu	84 - 87 %
Iron, Fe	<= 0.050 %
Lead, Pb	<= 0.050 %
Tin, Sn	0.40 - 1.0 %
Zinc, Zn	12 - 15.6 %	As Balance

Descriptive Properties
US EPA Registered Antimicrobial	Yes

References for this datasheet.

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MC43400x8 / 291973

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