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 | Fe | Pb | Sn | Zn | |
| Min./Max. | 59.0–62.0 | .10 | .20 | .50–1.0 | Rem. |
| Nominal | 60.0 | – | – | .7 | 39.2 |
Note: Cu + Sum of Named Elements, 99.6% min.
Applicable Specifications
| Product | Specification |
| Bar | AMS 4611, 4612 ASTM B21 FEDERAL QQ–B–639 SAE J463, J461 |
| Bar, Forging | ASTM B124 |
| Bolts | ASTM F468 |
| Forgings, Die | ASTM B283 |
| Nuts | ASTM F467 |
| Plate | FEDERAL QQ–B–639 |
| Plate, Clad | ASTM B432 |
| Plate, Condenser Tube | ASME SB171 ASTM B171 |
| Rod | AMS 4611, 4612 ASTM B21 SAE J463, J461 |
| Rod, Forging | ASTM B124 |
| Screws | ASTM F468 |
| Shapes | ASTM B21 |
| Shapes, Forging | ASTM B124 |
| Sheet | FEDERAL QQ–B–639 |
| Strip | FEDERAL QQ–B–639 SAE J461, J463 |
| Studs | ASTM F468 |
| Wire, Metallizing | MILITARY MIL–W–6712 |
Common Fabrication Processes
Blanking, Drawing, Forming and Bending, Heading and Upsetting, Hot Forging and Pressing, Hot Heading and Upsetting, Shearing
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Fair |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Fair |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 90 |
| Machinability Rating | 30 |
Physical Properties
| US Customary | Metric | |
| Melting Point – Liquidus | 1650 F | 899 C |
| Melting Point – Solidus | 1630 F | 888 C |
| Density | 0.304 lb/in3 at 68 F | 8.41 gm/cm3 @ 20 C |
| Specific Gravity | 8.41 | 8.41 |
| Electrical Resistivity | 39.9 ohms–cmil/ft @ 68 F | 6.63 microhm–cm @ 20 C |
| Electrical Conductivity | 26 %IACS @ 68 F | 0.152 MegaSiemens/cm @ 20 C |
| Thermal Conductivity | 67.0 Btu · ft/(hr · ft2·oF)at 68F | 116.0 W/m · oK at 20 C |
| Coefficient of Thermal Expansion | 11.8 ·10–6 per oF (68–572 F) | 21.2 ·10–6 per oC (20–300 C) |
| Specific Heat Capacity | 0.09 Btu/lb/oF at 68 F | 377.1 J/kg · oK at 293 K |
| Modulas of Elasticity in Tension | 15000 ksi | 103400 MPa |
| Modulus of Rigidity | 5600 ksi | 38610 MPa |
Tempers Most Commonly Used
| Flat Products | |
| BAR, DRAWN | H01, H02, O50, O60 |
| BAR, ROLLED | H01, O50, O60 |
| PLATE | H02, M20, O60 |
| STRIP, ROLLED | H01, O50 |
Typical Uses
Builders Hardware
Lock Pins
Electrical
Precision Shipboard Equipment
Fasteners
Rivets, Bolts, Nuts
Industrial
Welding Rod, Condenser Plates, Structural Uses, Valve Stems, Balls, Heat Exchanger Tube, Aircraft Turn buckle Barrels, Bearings, Dies, Golf Ball Production, Pressure Vessels, Bearings, Bushings, Hub Cones
Marine
Propeller Shafts, Marine Hardware, Decorative Fittings, Shafting, Propeller Shafts, Turn buckles
Ordnance
Missile Components
Other
Baffle Plates and Flanges
Plumbing
Fittings
