Technical Data
CADMIUM-CHROMIUM-COPPER,
C18135
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COMPOSITION |
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| ELEMENT | PERCENT | ||
| MINIMUM | MAXIMUM | MAXIMUM | |
| Copper (Including Silver) | 99.2 | Remainder | |
| Cadmium | .4 | .2 | .6 |
| Chromium | .4 | .2 | .6 |
| Copper (Including Silver and elements with specific limits) | — | 99.9 | — |
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PHYSICAL PROPERTIES |
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ENGLISH UNITS |
METRIC UNITS |
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Melting Point |
1976°F |
1080°C |
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Density |
.323 lb/cu in. @ 68°F |
8.84 gm/cm@ 20°C |
|
Specific Gravity |
8.94 |
8.84 |
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Coefficient of Thermal Expansion |
.0000098 per °F (68-572°F) |
.0000173 per °C (20-300°C) |
|
Thermal Conductivity † |
210 BTU/sq ft/ft/hr/°F @ 68°F |
.87 cal/sq cm/cm/sec/°C @ 20°C |
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Electrical Resistivity (Annealed) † |
11.3 Ohms circ mil per ft @ 68°F |
1.87 microhm – cm @ 20°C |
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Electrical Conductivity (Annealed)† |
92% Copper IACS @ 68°F |
.533 megohm cm @ 20°C |
|
Thermal Capacity (Specific Heat) |
.09 BTU/lb/°F @ 68°F |
.09 cal/gm/°C @ 20°C |
|
Modulus of Elasticity (tension) |
20,000 KSI |
14,000 kg/sq mm |
|
Modulus of Rigidity (torsion) |
7500 KSI |
5250 kg/sq mm |
| † Solution Heat Treated, Cold Worked and Aged | ||
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MECHANICAL PROPERTIES |
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| For Round, Half Round and Square Wire | ||||
| DESIGNATION | TENSILE STRENGTH |
PERCENT ELONGATION |
ELECTRICAL CONDUCTIVITY |
|
| KSI* | MPa** | |||
| TH01 Solution Heat Treated, Cold Worked (99%) and Aged |
70.0 | 483 |
10 |
85 min |
|
Values for reference only. Not part of specification. |
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MECHANICAL PROPERTIES |
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| For Rolled Flat Wire other than Square Wire | ||||
| DESIGNATION | TENSILE STRENGTH |
PERCENT ELONGATION |
PERCENT |
|
| KSI* | MPa** | |||
| TD01 Solution Heat Treated, Aged and Cold Worked |
68.2 | 470 |
12 |
80 |
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Values for reference only. Not part of specification. |
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* 1 KSI equals 1,000 PSI
** 1 KSI equals 6.894,757 MPa
CADMIUM-CHROMIUM-COPPER,
C 18135