Technical Data
COPPER, C10200, Oxygen Free
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COMPOSITION |
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| ELEMENT | MINIMUM |
| Copper | 99.95% (Includes Silver) |
| Deoxidents | — |
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PHYSICAL PROPERTIES |
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ENGLISH UNITS |
METRIC UNITS |
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Melting Range |
1981°F |
1083°C |
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Density |
.323 lb/cu in. @ 68°F |
8.94 gm/cm@ 20°C |
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Specific Gravity |
8.94 |
8.94 |
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Coefficient of Thermal Expansion |
.0000094 per °F (68-572°F) |
.0000170 per °C (20-300°C) |
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Thermal Conductivity |
226 BTU/sq ft/ft/hr/°F @ 68°F |
.934 cal/sq cm/cm/sec/°C @ 20°C |
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Electrical Resistivity |
10.3 Ohms-circ mil/ft @ 68°F |
1.71 microhm – cm @ 20°C |
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Electrical Conductivity |
OFHC 101% Copper IACS @ 68°F |
.586 megohm cm @ 20°C |
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Specific Heat |
.092 BTU/lb/°F @ 68°F |
.092 cal/gm/°C @ 20°C |
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Modulus of Elasticity (tension) |
17,000 KSI |
12,100 kg/sq mm |
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Modulus of Rigidity (torsion) |
6400 KSI |
4500 kg/sq mm |
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Annealing Temperature |
700-1200°F |
375-650°C |
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MECHANICAL PROPERTIES |
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| For Round Wire | ||
| TEMPER | TENSILE STRENGTH | |
| KSI* | MPa** | |
| Soft or Annealed (.0403) | 35,800 psi max | — |
| Medium Drawn (.0403) | 53-60 | 365-413 |
| Hard Drawn (.0403) | 67 nominal | 461 nominal |
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For more details see ASTM B3-63, ASTM B2-52, ASTM B1-56 |
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MECHANICAL PROPERTIES |
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| For Rolled Flat, Square and Rectangular Wire | |||||
| DESIGNATION | SIZE (Thickness) |
TENSILE STRENGTH | % ELONGATION IN 1 in. MIN GAUGE LENGTH |
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| STD | FORMER | KSI* | MPa* | ||
| 061 | Soft | up to .010 over .010 to .020 over .020 to .050 over .050 to .188 |
— 40 max 38 max 37 max |
— 275 max 262 max 255 max |
20 min 25 min 25 min 25 min |
| H04 | Hard | up to .020 .020 to .125 |
43-58 43 min |
296-399 296 min |
— 10 min |
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For more details see ASTM B3-272-66a |
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MECHANICAL PROPERTIES |
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| For Rolled Strip | |||
| DESIGNATION | TENSILE STRENGTH | ||
| STD | FORMER | KSI* | MPa* |
| — | Annealed Soft | Grain Size .050 min Normal | — |
| — | Deep Draw | Grain Size .050 min Normal | — |
| — | Light Rolled | 32-40 | 220-275 |
| — | Half Hard (1/2H) | 37-46 | 255-317 |
| H04 | Hard (H) | 43-52 | 296-358 |
| H08 | Spring | 50-58 | 344-399 |
| H10 | Extra Spring | 52 min | 358 min |
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For more details see ASTM B152 Strip, ASTM 248 General Tolerances |
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* 1 KSI equals 1,000 PSI
** 1 KSI equals 6.894,757 MPa
†† Tensile Strength and Grain Size determining factors.