H65 Brass Tube for Precision Forming & Heat Exchange | China H65 Brass Tube Supplier
Not every brass tube is chosen for maximum strength. In many industrial projects, buyers are more concerned with whether the tube can be expanded, bent, flared or deep drawn without cracking. This is where H65 Brass Tube (CuZn35) stands out. With approximately 65% copper and 35% zinc, H65 offers a practical balance between ductility, corrosion resistance and machining performance, making it a widely used material for heat exchangers, decorative components and precision tube fabrication.
Technical & Supply Information
| Item | Details |
| Product | H65 Brass Tube |
| Equivalent Grade | CuZn35 |
| Standard | GB/T 1527, ASTM B135, EN 12449 |
| Outside Diameter | 4–200 mm |
| Wall Thickness | 0.4–12 mm |
| Length | 1000–6000 mm or Customized |
| Supply Condition | Annealed (O), Half Hard (1/2H), Hard (H) |
| Tube Type | Seamless / Welded |
| Processing Service | Precision Cutting, Bending, Tube Expanding, End Machining |
| Trade Terms | FOB, CFR, CIF |
| Property | Typical Value |
|---|---|
| Copper (Cu) | 63.5–68.0% |
| Zinc (Zn) | Balance |
| Tensile Strength | 290–440 MPa |
| Elongation | 20–45% |
| Thermal Conductivity | Approx. 120 W/m·K |
| Electrical Conductivity | Approx. 28% IACS |
What Makes H65 Brass Tube a Practical Choice?
Excellent Formability, Reduced Scrap Costs
H65 offers a balanced combination of strength and ductility. Compared with higher-zinc grades, it's much easier to bend, flare, and expand without cracking or excessive work hardening. This makes it ideal for parts requiring multiple forming operations, significantly reducing your scrap rate and saving raw material costs.
Reliable Heat Transfer, Consistent Performance
With good thermal conductivity, H65 is a widely used material for condenser tubes, radiator components, and general heat exchange equipment. It ensures efficient heat transfer while maintaining durable performance under temperature fluctuations.
Smooth Surface, Lower Finishing Costs
The material's dense and smooth structure performs exceptionally well during polishing, plating, and decorative finishing. It requires less pre-treatment time, effectively reducing your secondary processing costs for surface preparation.
Flexible Manufacturing to Meet Your OEM Needs
We offer flexible manufacturing to align with your specific production requirements:
- Custom Dimensions: Available in non-standard diameters and thin-wall tubes.
- Cut-to-Length Service: We can cut the tubes to your exact specified length. This eliminates your in-house cutting step and minimizes material waste, ready for immediate assembly.
Typical Applications
- Heat Exchanger Tubes
- Condensers
- Plumbing Components
- Instrument Tubing
- Decorative Architectural Tubes
- Radiator Parts
- Precision Mechanical Assemblies
FAQ
Q: Is H65 suitable for tube bending?
A: Yes. H65 offers excellent cold-forming performance and is widely used for bent tube applications.
Q: Can you supply seamless brass tubes?
A: Yes. Both seamless and welded tubes are available.
Q: Are custom sizes accepted?
A: Yes. Customized diameter, wall thickness and length can be produced.
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