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China Suppliers OFT Oxygen Free High Conductivity Tellurium Copper Manufacturer - High Performance Factory Products
Kepai innovated the production process and developed oxygen free high conductivity tellurium copper with independent intellectual property rights.
High corrosion-resistant
Low oxygen content (lower than 10ppm)
Extremely easy cutting non-stick tool
Good cold-working and hot working ability
High electrical and thermal conductivity
Excellent welding resistance
| Tensile Strength | RmMpa | ≥260 |
| Yield Strength | δ0.5Mpa | ≥205 |
| Elongation | % | ≥12 |
| Coefficient of elasticity | Mpa | 117000 |
| Heat conductivity coefficient | W/(m·K) | 415 |
| Electrical Conductivity | %IACS | ≥97 |
| Hardness | HRB | 30-55 |
| Softening temperature | 350℃ |
| Capacity for being cold worked | excellent |
| Capacity for being hot formed | excellent |
| Hot working temperature | 750-875℃ |
| Annealing temperature | 425-650℃ |
Applications of OFT copper:
✓
Hardware processing industry: complex, precision electrical components. Precision machining parts.
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Cutting and welding industry: Plasma and laser welding nozzle.
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Medium and low voltage industry: electrical contacts and switches.
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Automotive components: Contact and contact of automobile electromagnetic switch.
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New energy industry: Automobile terminal, high current charging gun connector, lithium ion battery pole.
Why choose our oxygen-free high-conductivity tellurium copper?
In fields such as 5G communications and semiconductor packaging, conventional copper materials are prone to hydrogen embrittlement due to high oxygen content, leading to device failure. Our oxygen-free high-conductivity tellurium copper, with an oxygen content of ≤0.003% and micro-alloyed with tellurium, eliminates the risk of hydrogen embrittlement while maintaining industry-leading electrical conductivity.
Frequently Asked Questions (FAQ)
Q: What is the oxygen content level in your OFT copper?
Our oxygen-free high-conductivity tellurium copper features an extremely low oxygen content level of less than 10ppm (≤0.003%), which is equivalent to the TU0 / C10200 standard.
Q: How does low oxygen content benefit high-tech applications like 5G?
Conventional copper materials are prone to hydrogen embrittlement in high-temperature environments. Our OFT copper eliminates the risk of hydrogen embrittlement, preventing device failure in sensitive fields like 5G communications and semiconductor packaging.
Q: What are the electrical and thermal properties of this tellurium copper?
It offers outstanding conductivity properties, with an electrical conductivity of ≥97% IACS and a thermal conductivity coefficient of 415 W/(m·K).
Q: Is this material easy to machine and fabricate?
Yes, it features an extremely easy-cutting, non-stick tool profile. It has excellent capacity for both cold working and hot forming, with a hot working temperature range of 750-875℃.
Q: What are the primary industries that use OFT copper?
It is widely used in hardware processing (precision components), cutting & welding (plasma/laser nozzles), low/medium voltage switch contacts, automotive electromagnetic switches, and new energy applications like lithium battery poles and EV charging gun connectors.