China C10100 Oxygen-Free Copper Tube Suppliers | High-Purity Copper Tube Factory
Oxygen-free copper tube
Product features:
High purity, high elongation, high corrosion resistance.
Material Standards
Material:
C10100 oxygen-free copper
Copper content:
≥ 99.99%
Applicable standards:
ASTM B187, GB/T 1527, GB/T 2040
Physical Properties
Density:
8.96 g/cm³
Melting point:
1083℃
Thermal conductivity:
386 W/(m·K) (extremely high thermal conductivity)
Electrical conductivity:
≥ 101% IACS
Hardness:
Soft state (annealed)/ Semi-hard / Hard state selectable
Tensile strength:
Soft state 200~250 MPa
Elongation:
≥ 30% (soft state)
Capillary copper tubes are copper tubes with extremely thin inner and outer diameters. They are widely used in household refrigerators, electric freezers, high-precision instruments, electronic equipment and instruments, etc. The material commonly used is high-quality copper such as TP2 and TU1, which has excellent thermal conductivity and corrosion resistance.
Application Scenarios
① Refrigeration system: Capillary copper tubes are widely used in small-sized Freon refrigeration devices with a capacity of less than 10KW. By changing the length and diameter, they can meet different working conditions and cooling capacity requirements;
② Gas transportation: Applicable to water cooling projects and environmental protection projects, etc.;
③ Daily life: In building water supply systems, capillary copper tubes are widely used due to their good thermal conductivity and high low-temperature strength.
Features of C10100 oxygen free copper:
| Feature | Benefit |
|---|---|
| High Purity (≥99.9% Cu) | Ensures maximum conductivity and consistent performance |
| Excellent Thermal Conductivity | 386 W/(m·K) — 7x higher than steel, ideal for heat exchangers and AC systems |
| Superior Corrosion Resistance | Naturally forms a protective oxide layer; lasts 50+ years in water systems |
| Outstanding Ductility | Easily bent, flared, and welded without cracking — reduces installation time |
| Antimicrobial Properties | Kills 99.9% of bacteria on contact; safe for drinking water and medical use |
| 100% Recyclable | Eco-friendly; recyclable without loss of performance |
Frequently Asked Questions
What is the copper purity of C10100 oxygen-free copper tubes?
C10100 oxygen-free copper tubes feature an exceptionally high purity level of ≥99.99% copper content, ensuring maximum electrical and thermal conductivity.
What standards do these oxygen-free copper tubes comply with?
They are manufactured in strict accordance with international standards, including ASTM B187, GB/T 1527, and GB/T 2040.
Why are capillary copper tubes used in refrigeration systems?
Capillary copper tubes are highly suitable for refrigeration devices (under 10KW) due to their high thermal conductivity, corrosion resistance, and easily adjustable diameters/lengths to meet specific cooling requirements.
What are the physical benefits of C10100 copper's thermal properties?
With a thermal conductivity of 386 W/(m·K), C10100 copper conducts heat approximately 7 times faster than steel, making it highly efficient for heat exchangers and air conditioning systems.
Are these copper tubes suitable for drinking water systems?
Yes, because of their natural antimicrobial properties (which eliminate 99.9% of bacteria on contact) and excellent corrosion resistance, they are highly safe for drinking water and medical applications.



