Technical Data
COPPER, C11000, ETP
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COMPOSITION |
|
| ELEMENT | MINIMUM |
| Copper | 99.9% |
| Deoxidents | — |
| Oxygen | .04 |
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PHYSICAL PROPERTIES |
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ENGLISH UNITS |
METRIC UNITS |
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|
Melting Range |
1981°F |
1083°C |
|
Density |
.321 lb/cu in. @ 68°F |
8.89 gm/cm@ 20°C |
|
Specific Gravity |
8.94 |
8.94 |
|
Coefficient of Thermal Expansion |
.0000098 per °F (68-572°F) |
.0000173 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 |
|
Electrical Resistivity (Annealed) |
10.3 Ohms-circ mil/ft @ 68°F |
1.71 microhm – cm @ 20°C |
|
Electrical Conductivity (Annealed) |
100% Copper IACS @ 68°F |
.586 megohm cm @ 20°C |
|
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 |
|
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 |
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| TEMPER | TENSILE STRENGTH |
PERCENT ELONGATION |
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| KSI* | MPa** | ||
| Hard (H) | 55 | 379 | 1.5 in 60 in. |
| Spring | 66 | 455 | 1.5 in 60 in. |
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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 |
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| DESIGNATION | TENSILE STRENGTH | PERCENT ELONGATION 2 in. MIN GAUGE LENGTH |
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| STD | FORMER | KSI* | MPa* | |
| — | .050 MM | 32 | 221 | 45 |
| — | .025 MM | 34 | 234 | 45 |
| — | Eighth Hard | 36 | 248 | 30 |
| — | Quarter Hard | 38 | 262 | 25 |
| — | Half Hard | 42 | 290 | 14 |
| H04 | Hard | 50 | 345 | 6 |
| H08 | Spring | 55 | 379 | 4 |
| H10 | Extra Spring | 57 | 393 | 4 |
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For more details see ASTM B272-66a |
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MECHANICAL PROPERTIES |
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For Rolled Strip Wire |
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| DESIGNATION | TENSILE STRENGTH †† | ||
| STD | FORMER | KSI* | MPa** |
| — | .050 mm | 32 | 221 |
| — | Eighth Hard | 36 | 248 |
| — | Quarter Hard (1/4H) | 38 | 262 |
| H04 | Hard (H) | 50 | 345 |
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For more details see ASTM B152 Strip — General Tolerances see ASTM 248 |
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* 1 KSI equals 1,000 PSI
** 1 KSI equals 6.894,757 MPa
†† Tensile Strength and Grain Size determining factors for acceptance or rejection.
Values for reference only. Not part of specification.
COPPER, C11000, ETP