Description
Name:Oxygen-free copper flat wire
Copper purity ≥ 99.99% (4N)
Oxygen content ≤ 0.001% (10 ppm)
Extremely low impurity levels (S, P, Fe, Al, etc. are strictly controlled)
Thickness: 0.5–5.0 mm
Width: 2–20 mm
| Performance | Performance Description |
| Conductivity | High (typically ≥ 101% IACS) |
| Oxidation Resistance | Better, less prone to embrittlement |
| Weldability | Excellent, suitable for high-end electrical manufacturing |
| Lower Heat Generation | Less loss under the same current |
Applications:
Oxygen-free copper flat wire Widely used in: transformer windings (oil-immersed/dry-type), motor stator windings,
generators, new energy vehicle motors, high-frequency transformers, inductor coils, high-power power supplies,
and power electronic equipment.
Product parameters
| Standard Dimension a or b (mm) | Tolerance (mm) | Standard Dimension a (mm) | Tensile Strength (N/mm²) | Standard Dimension a (mm) | Elongation (%) | Resistivity (20°C) (Ω·mm²/m) | Yield Strength (N/mm²) |
| a (b) ≤ 3.15 | ±0.03 | 0.8≤a≤2.0 | ≤275 | a≤2.5 | 30 | TBR≤0.017241 | 100~280 |
| 3.15 < a(b) ≤ 6.30 | ±0.05 | 2.0 < a≤4.0 | ≤255 | a > 2.5 | 32 | TBY1≤0.01777 | - |
| 6.3 ≤ b ≤12.5 | ±0.07 | 4.0 < a≤6.0 | ≤245 | - | - | TBY2≤0.01777 | - |
| 12.5 < b ≤16.0 | ±0.09 | - | - | - | - | - | - |
Products Display




Video
Application
Enameled wire Widely used in ignition coils of automobiles, motorcycles, gas stoves, etc.


factory display


fAQ
1/Q: What is the delivery service?
A: Sample order will be shipped by Express, such as DHL, fedEx, UPS, TNT, EMS, etc; Heavy weight goods will be shipped by sea. About 15 to 30days according different country.
2/how can we guarantee quality?
Always a pre-production sample before mass production.
Always final Inspection before shipment.
3/what can you buy from us?
Transformers,Transformer accessories,Transformer drawing design,Electric Equipment,New energy prime moverequipment manufacturing
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