Chromium Copper, UNS C18200, O61 Temper, Tube

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Chromium Copper, UNS C18200, O61 Temper, Tube
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Annealed Fabrication Properties: Excellent Suitability – Capacity for Being Cold Worked; Good Suitability – Soldering, Brazing, Gas Shielded Arc Welding, Capacity for Being Hot Formed; Fair Suitability – Butt Weld Common Fabrication Processes: Bending; Cold working; Drawing; Extruding; Forging; Heading; Hot working; Impacting; Rolling; Swaging Typical uses: Pencil-type & Light Soldering Guns: Tips, Rod Extensions; Arcing and Bridging Parts; Cable; Circuit Breaker Parts; Connectors; Contacts; Electric Motor and Generator Components; Electrical Conductors Requiring Greater Strength than Copper; Electrical Connectors; Electron Tube Grid Side Rods; Parts for Electronic Devices; Semi Conductor Bases; Switch Contacts; Switch Gears; Thermal Conductors Requiring Greater Strength than Copper; Wire, High Temperature; Current Carrying Shafts and Arms; Electrode Holder Jaws; Flash Welding Electrodes; Heat Sinks; Molds; Plastic Mold Components; Resistance Welding Machine Electrodes; Seam Welding Wheels; Spot Welding Tips; Structural Parts; Wear Plates on Heavy Equipment Applicable Specifications: Bar – MILITARY MIL-C-19311; Forgings – MILITARY MIL-C-19311; Rod – MILITARY MIL-C-19311; Strip – MILITARY MIL-C-19311; Wire – Soft ASTM F9
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Physical Properties	Original Value	Comments

Density	0.321 lb/in³

Mechanical Properties	Original Value	Comments
Tensile Strength	40.0 ksi @Thickness 2.39 mm
Tensile Strength, Yield	15.0 ksi @Thickness 2.39 mm	0.5% Ext
Elongation at Break	50 % @Thickness 2.39 mm
Tensile Modulus	17000 ksi
Modulus of Rigidity	7200 ksi
Machinability	40 %
Forgeability	80 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000220 ohm-cm	80% IACS

Thermal Properties	Original Value	Comments
CTE, linear	9.80 µin/in-°F @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.0920 BTU/lb-°F
Thermal Conductivity	187 BTU-in/hr-ft²-°F
Melting Point	1958 - 1967 °F
Solidus	1958 °F
Liquidus	1967 °F

Processing Properties	Original Value	Comments
Solution Temperature	1832 - 1886 °F @Time 15.0 sec	Air
Hot-Working Temperature	1500 - 1700 °F
Precipitation Temperature	860 °F	Air

Component Elements Properties	Original Value	Comments
Chromium, Cr	0.60 - 1.2 %
Copper, Cu	98.6 - 99.4 %	As Balance
Iron, Fe	<= 0.10 %
Lead, Pb	<= 0.050 %
Silicon, Si	<= 0.10 %

References for this datasheet.

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MC18200x8 / 292849

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