TU2 Copper Sheet Metal
Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of tu2 copper sheet metal in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount tu2 copper sheet metal for sale here from our factory. Customized orders are welcome.
What Is TU2 Copper?
TU2 copper, also known as oxygen-free copper, is a high-purity copper material, its purity reaches more than 99.95%, the oxygen content is controlled below 0.02%. This material is widely used in the manufacture of electrical equipment and heat-conducting devices due to its excellent electrical and thermal conductivity.TU2 copper violet also has good corrosion resistance, is easy to process, and can be molded and fabricated by cold and hot working .
TU2 Compare to Other Copper Grades
| Grade | Type | Purity | Conductivity (% IACS) | Weldability | Best For |
|---|---|---|---|---|---|
| TU2 (C10200) | Oxygen-Free (OF) | 99.95% | 100–102% | Excellent | Welded assemblies, high purity requirements |
| TU1 (C10100) | Oxygen-Free Electronic | 99.99% | 101–102% | Excellent | Semiconductor, ultra-critical |
| T2 (C11000) | ETP | 99.90% | 100–101% | Poor (H₂ risk) | General electrical, no welding |
| TP1 (C12000) | DHP (Low P) | 99.90% | 90–98% | Excellent | Forming + welding |
| TP2 (C12200) | DHP | 99.90% | 85–90% | Excellent | Plumbing, earthing |
Properties of TU2 Copper Sheets
| Property | Value |
|---|---|
| Purity | 99.95% min |
| Oxygen Content | ≤ 0.002% |
| Electrical Conductivity | 100–102% IACS |
| Resistivity | 1.71–1.73 µΩ·cm (at 20°C) |
| Thermal Conductivity | ~388 W/m·K |
| Density | 8.94 g/cm³ |
| Melting Point | 1083°C |
| Modulus of Elasticity | 115 GPa |
| Poisson's Ratio | 0.34 |
| Coefficient of Thermal Expansion | 16.9 µm/m·K (20–300°C) |
Mechanical Properties
| Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRF) |
|---|---|---|---|---|
| Annealed (Soft) | 200–240 | 70–90 | 40–50 | 40–50 |
| Half-Hard | 240–280 | 180–230 | 15–25 | 65–80 |
| Hard | 280–330 | 230–280 | 6–12 | 80–95 |
Why Is Oxygen-Free Copper Important for Welding?
| Material | Oxygen Content | Welding Behavior |
|---|---|---|
| TU2 (Oxygen-Free) | < 0.002% | Safe welding – no hydrogen embrittlement |
| T2 (ETP Copper) | 0.02–0.06% | Hydrogen embrittlement – cracks during welding |
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Size |
Width: 10mm to 2000mm, |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard. |
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Surface |
Polished,bright,oiled,hair line,brush,mirror,or as required |
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Export to |
Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA, |
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Package |
Plastic film with Wooden case or wooden pallet |
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Delivery time |
Prompt delivery or upon your order quantity. |
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Quality Control |
Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable. |
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Application |
widely used inair conditioners,refrigerators,electric,solar water heater, polished pipe an be used in decorative,such as stair rail. |
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Shape |
Round, Square, Oval, can be customized |
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TU2 oxygen-free copper has a wide range of applications in automotive electrical systems. Automobile engine ignition system, on-board electronic equipment, etc. need a stable power supply, TU2 oxygen-free copper wires and connectors can ensure that the automobile electrical system in a variety of complex working conditions work properly. For example, in the engine compartment, high temperature, vibration and other harsh environments put forward high requirements on the performance of electrical equipment, TU2 oxygen-free copper with its good high temperature resistance and mechanical properties, to ensure the stability of the ignition system, so that the engine can start and run smoothly.
FAQ
Q: What is the difference between TU2 and T2?
A: TU2 is oxygen-free copper (< 0.002% O) and can be welded without risk of hydrogen embrittlement. T2 contains oxygen (0.02–0.06%) and cannot be welded. Both have similar conductivity (100–102% IACS).
Q: Is TU2 the same as C10200?
A: Yes. TU2 (Chinese standard) is equivalent to UNS C10200 (American standard) and Cu-OF (European standard).
Q: Can TU2 be welded?
A: Absolutely! TU2's oxygen-free structure makes it resistant to hydrogen embrittlement, allowing for reliable welding, brazing, and soldering.
Q: What is the difference between TU1 and TU2?
A: TU1 has higher purity (99.97% min) and tighter impurity controls than TU2 (99.95% min). TU2 is more economical while still offering excellent performance for most applications.
Q: Is TU2 suitable for busbars?
A: Yes. TU2 offers the same high conductivity as T2 (100–102% IACS) but with the added advantage of being weldable – ideal for fabricated busbar assemblies.
Product Packaging
Interleaving with acid-free protective paper between sheets
Protective film on polished surfaces
Edge protectors to prevent impact damage
Moisture-proof barrier packaging
Reinforced wooden crates or pallets for export
Desiccant packs for humidity-sensitive applications
Team Advantage
We have a team of highly skilled professionals who are committed to providing high quality products and services to our customers. Our team has the following advantages over our competitors:
Technical expertise: Our team has excellent technical expertise in the production of copper products.
Experience: Our team has many years of experience in the industry and a deep understanding of the market.
Customer Oriented: We are customer oriented and prioritize our customers' needs.
Responsive: Our team is responsive and able to quickly resolve any issues that arise.
Communication: We have excellent communication skills and keep our customers informed throughout the production process.
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