COPPER-COATED BUNDY TUBE SINGLE / DOUBLE WALL STEEL FOR HEATER
COPPER COATED BUNDY TUBE SINGLE / DOUBLE WALL STEEL FOR HEATER
Bundy Tube
Copper-coated Bundy tube is a type of tubing that consists of a steel tube with a copper coating applied to its outer surface. The Bundy tube itself is typically made of low-carbon steel, which provides strength and durability. The copper coating is applied through a process called electroplating, where a layer of copper is deposited onto the outer surface of the steel tube.
The copper coating on Bundy tube serves several purposes:
- Corrosion Resistance: The copper coating provides excellent resistance to corrosion, protecting the underlying steel tube from rust and other forms of degradation. This makes copper-coated Bundy tube suitable for applications where the tubing comes into contact with moisture, fluids, or other corrosive substances.
- Heat Transfer: Copper is a highly conductive metal when it comes to heat, and the copper coating on Bundy tube enhances the tube's heat transfer capabilities. This makes it useful in applications where efficient heat exchange is required, such as in refrigeration and air conditioning systems.
- Electrical Conductivity: Copper is also an excellent conductor of electricity. While the primary purpose of copper-coated Bundy tube is not electrical conduction, the copper coating can provide some electrical conductivity benefits in certain applications.
Copper-coated Bundy tube is commonly used in automotive, refrigeration, air conditioning, and plumbing industries due to its corrosion resistance, heat transfer efficiency, and durability. It offers a cost-effective alternative to fully copper tubes while still providing the desired properties required for various applications.
Physical Performance Parameters
| Tensile Strength | ≥180Mpa |
| Yield Strength | ≥290Mpa |
| Enlongation rate | ≥25% |
| HR30T | ≤68 |
| Innernal cleanliness | ≤0.16g/suqare meter |
Size and Tolerance
| Outer diameter (φ) |
Diameter tolerance (mm) |
Wall thickness(mm) | Wall thickness tolerance(mm) | Pressure resistance(MPa) | Burst pressure (MPa) |
| 4.76(3/16″) | ±0.05 |
0.7 |
+0.05/-0.08 | 41.2 | 110 |
| 6 | ±0.08 | ±0.08 | 32.7 | 85 | |
| 6.35(1/4″) | ±0.08 | ±0.08 | 30.9 | 78 | |
| 8(5/16″) | ±0.1 | ±0.08 | 24.5 | 67.5 | |
| 9.52(3/8″) | ±0.1 | ±0.08 | 20.6 | 57 | |
| 10 | ±0.1 | ±0.08 | 19.6 | 55 | |
| 12 | ±0.1 | ±0.08 | 16.3 | 32 | |
| 10 | ±0.1 |
1 |
±0.08 | 28 | 65 |
| 12 | ±0.1 | ±0.08 | 23.3 | 56 |
Applications:
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Automotive Industry
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Refrigeration and Air ConditioningHeating Systems
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Plumbing and Water Distribution
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Industrial Applications
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Solar Thermal Systems
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Medical and Laboratory Equipment
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