The following data is provided for informational purposes only. It was provided with permission by the Copper Development Association at www.copper.org.
Last Update: Jan 10, 2007
Chemical Composition (%max., unless shown as range or min.)
| Cu(1) | P | |
| Min./Max. | 99.90 min | .004–.012 |
| Nominal | – | .008 |
(1) Cu value includes Ag.
Applicable Specifications
| Product | Specification |
| Bands, Projectile Rotating | MILITARY MIL-B–20292, MIL–B–18907 |
| Bar | ASME SB133 ASTM B152 SAE J461, J463 |
| Bar, Bus | ASTM B187 |
| Brazing Filler Metal | FEDERAL QQ–B–650 |
| Fittings | ASME B16.22 |
| Foil, Printed Circuits | ASTM B451 |
| Nipples | ASTM B687 |
| Pipe | ASME SB42 ASTM B698, B42 |
| Pipe, Bus | ASTM B188 |
| Plate | ASTM B152 SAE J461, J463 |
| Rod | ASME SB133 |
| Rod, Bus | ASTM B187 |
| Shapes | SAE J461, J463 |
| Shapes, Bus | ASTM B187 |
| Sheet | ASTM B152 SAE J461, J463 |
| Sheet, Clad | ASTM B506 |
| Sheet, Printed Circuits | ASTM B451 |
| Strip | ASTM B152 SAE J461, J463 |
| Strip, Clad | ASTM B506 |
| Strip, Printed Circuits | ASTM B451 |
| Tube | ASTM B698, B360 |
| Tube, Bus | ASTM B188 |
| Tube, Coils | ASTM B743 |
| Tube, Condenser | ASME SB111 ASTM B111 |
| Tube, Finned | ASME SB359 ASTM B359 |
| Tube, Rectangular Waveguide | ASTM B372 MILITARY MIL–W–85 |
| Tube, Seamless | ASME SB75 ASTM B75, B641 MILITARY MIL–T–24107 SAE J461, J463 |
| Tube, Seamless Bright Annealed | ASTM B68 |
| Tube, Seamless for Air Conditioning and Refrigeration Field Service | SAE J463, J461 |
| Tube, Seamless for Torpedo Use | MILITARY MIL–T–3235 |
| Tube, U–Bend | ASME SB395 ASTM B395 |
| Tube, Welded | ASTM B447, B641, B716 |
| Tube, Welded for Air Conditioning and Refrigeration Service | ASTM B640 |
Common Fabrication Processes
Blanking, Coining, Coppersmithing, Drawing, Etching, Forming and Bending, Heading and Upsetting, Hot Forging and Pressing, Piercing and Punching, Roll Threading and Knurling, Shearing, Spinning, Squeezing and Swaging, Stamping
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Excellent |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 65 |
| Machinability Rating | 20 |
Physical Properties
| US Customary | Metric | |
| Melting Point – Liquidus | 1981 F | 1083 C |
| Melting Point – Solidus | 1981 F | 1083 C |
| Density | 0.323 lb/in3 at 68 F | 8.94 gm/cm3 @ 20 C |
| Specific Gravity | 8.94 | 8.94 |
| Electrical Resistivity | 10.6 ohms–cmil/ft @ 68 F | 1.76 microhm–cm @ 20 C |
| Electrical Conductivity* | 98 %IACS @ 68 F | 0.573 MegaSiemens/cm @ 20 C |
| Thermal Conductivity | 223.0 Btu · ft/(hr · ft2·oF)at 68F | 386.0 W/m · oK at 20 C |
| Coefficient of Thermal Expansion | 9.4 ·10–6 per oF (68–212 F) | 16.9 ·10–6 per oC (20–100 C) |
| Coefficient of Thermal Expansion | 9.6 ·10–6 per oF (68–392 F) | 17.3 ·10–6 per oC (20–200 C) |
| Coefficient of Thermal Expansion | 9.8 ·10–6 per oF (68–572 F) | 17.6 ·10–6 per oC (20–300 C) |
| Specific Heat Capacity | 0.092 Btu/lb/oF at 68 F | 393.5 J/kg · oK at 293 K |
| Modulas of Elasticity in Tension | 17000 ksi | 117000 MPa |
| Modulus of Rigidity | 6400 ksi | 44130 MPa |
*Volume and weight basis..
Tempers Most Commonly Used
| Flat Products | |
| PLATE | H00, OS050 |
| SHEET | H00, H01, OS050 |
| STRIP, ROLLED | H00, H01, H04, H06, OS035, OS050 |
| Other | |
| PIPE | H04, H58, O60 |
| TUBE | H04, H55, H58, H80, O60, OS025, OS050 |
Typical Uses
Architecture
Flashing, Architectural Trim, Roofing
Electrical
Tubular Bus, Busbars (Welded or Brazed)
Industrial
Welded Tube, Tubing, Medical Gas– Oxygen, Conductors, Resistance Welding Equipment, Tubing, LP Gas Service
Other
Applications Requiring Welding or Brazing
