EValloy92
Tellurium Copper
Characteristics:
It is a low-tellurium copper alloy. It offers strength and machinability comparable to tellurium copper CuTeP, but with improved electrical conductivity and ductility, facilitating easier cold forming into desired shapes.
Typical applications:
High-voltage connectors, charging plugs and sockets, high-voltage DC contactors/relays.
Standardization and composition
Note①: Including Ag and Te
| GB | TTe0.3 (T14400) |
|---|---|
| Cu① | ≥ 99.90% |
| Te | 0.20-0.35% |
Physical properties②
Note②：The testing temperature is 20℃. Note③：The testing temperature range is 20℃ to 300℃.
| Density (g/cm³) | 8.9 |
|---|---|
| Metling temperature (℃) | 1080 |
| Electrical conductivity (%IACS) | ≥ 92 |
| Thermal conductivity (W / m x K) | 360 |
| Coefficient of thermal expansion③ (10-6/K) | 17.1 |
| Modulus of elasticity (GPa) | 117 |
Fabrication Properties
Note④：C37700 = 100% Note⑤：C36000 = 100%
| Capacity for being cold worked | Good |
| Capacity for being hot formed | Good |
| Brazing | Good |
| Resistance welding | Poor |
| Forgeability rating④ | 65% |
| Machinability rating⑤ | 80% |
Mechanical Properties⑥
Note⑥: bedra technical standards
| Diameter (mm) | Temper | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (% min.) | Hardness (HV5 min.) |
|---|---|---|---|---|---|
| 1.5 ≤ Ф < 6.0 | H02 | 260 | 205 | 8 | 80 |
| 1.5 ≤ Ф < 6.0 | H04 | 330 | 275 | 4 | 90 |
| 6.0 ≤ Ф < 6.5 | H01 | 200 | 65 | 35 | 50 |
| 6.0 ≤ Ф < 6.5 | H02 | 260 | 205 | 8 | 80 |
| 6.0 ≤ Ф < 6.5 | H04 | 330 | 275 | 4 | 90 |
| 6.5 ≤ Ф < 20 | H01 | 200 | 65 | 35 | 50 |
| 6.5 ≤ Ф < 20 | H02 | 260 | 205 | 12 | 80 |
| 6.5 ≤ Ф < 20 | H04 | 305 | 260 | 8 | 90 |
| 20 ≤ Φ ＜ 32 | H02 | 260 | 205 | 12 | 80 |
| 20 ≤ Φ ＜ 32 | H04 | 305 | 260 | 8 | 90 |
| 20 ≤ Φ ＜ 32 | M30 | 200 | 60 | 35 | 50 |
| 32 ≤ Φ ＜ 67 | H02 | 260 | 205 | 12 | 80 |
| 32 ≤ Φ ＜ 67 | H04 | 275 | 240 | 8 | 90 |
| 32 ≤ Φ ＜ 67 | M30 | 200 | 60 | 35 | 50 |
| 67 ≤ Φ ＜ 76 | H04 | 275 | 240 | 8 | 90 |
| 67 ≤ Φ ＜ 76 | M30 | 200 | 60 | 35 | 50 |
| 76 ≤ Φ ＜ 120 | M30 | 200 | 60 | 35 | 50 |
Dimension Tolerance and Delivery Form
Note⑥：The tolerances listed in the table are specified as all plus or all minus. When tolerances are specified as plus and minus (±), half the values given.
| Straight bar | Coil wire | |||||
| Diameter (mm) | Tolerance⑥ (mm) | Ovality (mm.max) | Length (mm. max.) | Straightness (mm/m max.) | ID (mm) | Weight (Kg) |
| 1.5 ≤ Φ < 3.0 | 0.03 | 0.015 | 2000 | 0.3 | 400 | 30 |
| 3.0 ≤ Ф ＜ 6.0 | 0.05 | 0.025 | 3500 | 0.3 | 550 | 50 |
| 6.0 ≤ Ф ＜ 10 | 0.05 | 0.025 | 3500 | 0.5 | 550 | 50 |
| 10 ≤ Ф ＜ 16 | 0.10 | 0.05 | 3500 | 0.5 | 1200 | 200 |
| 16 ≤ Ф ＜ 20 | 0.15 | 0.075 | 3500 | 0.5 | 1200 | 500 |
| 20 ≤ Ф ＜ 25 | 0.15 | 0.075 | 3500 | 0.5 | / | / |
| 25 ≤ Ф ＜ 40 | 0.18 | 0.09 | 4000 | 0.5 | / | / |
| 40 ≤ Ф ＜ 60 | 0.40 | 0.20 | 4000 | 0.5 | / | / |
| 60 ≤ Ф ＜ 80 | 0.60 | 0.30 | 2500 | 1.0 | / | / |
| 80 ≤ Ф ＜ 100 | 1.00 | 0.50 | 1500 | 5.0 | / | / |
| 100 ≤ Ф ＜ 120 | 1.00 | 0.50 | 1000 | 5.0 | / | / |
Other Delivery Forms
Profiles, Tubes
Further product information
PDF Datasheet | EN PDF Datasheet | VI PDF Datasheet | ZH
Please contact us
Sales Asia-Pacific (Excluding-India)
Sales India
Sales North America
Sales Europe
Berkenhoff GmbH (headquarters)
- Kinzenbach plant
- Berkenhoffstrasse 14
- 35452 Heuchelheim
- Germany
- +49 641 601 0
- +49 641 601 222
- info(at)bedra.com
Berkenhoff GmbH
- Merkenbach plant
- Rehmühle 1
- 35745 Herborn
- Germany
- +49 2772 5002 0
- +49 2772 5002 155
- info(at)bedra.com
bedra Vietnam Alloy Material Co., Ltd
- Lot CN-06, Hoa Phu Industrial Park,
Mai Dinh Commune,
Hiep Hoa District, Bắc Ninh Province,
Vietnam
- +84 2043900104
- +84 2043900110
- info-asia(at)bedra.com
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