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Help CenterJIS H3300 Standard C1220T C1100T Copper Coil Tube HVAC Cooling System Tubing
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Wuxi Yansheng Technology Co., Ltd. presents our premium JIS H3300 Standard C1220T C1100T Copper Coil Tube, engineered specifically for HVAC cooling system applications. As a manufacturer with over 7 years of experience and an annual export value exceeding US$50 million, we supply high-quality copper tubing that meets rigorous Japanese Industrial Standards. Our coils deliver consistent thermal conductivity, corrosion resistance, and dimensional accuracy — essential for efficient heat exchange in chillers, condensers, and air conditioning units. With a factory spanning 1,000–3,000 square meters and a skilled team of 101–200 employees, we ensure every meter of tubing is produced under strict quality control.
Product Features & Technical Specifications
Material Excellence: Made from high-purity copper (C1220T or C1100T) with phosphorus deoxidized grade, ensuring superior ductility, brazing compatibility, and resistance to hydrogen embrittlement.
Standard Compliance: Full compliance with JIS H3300, guaranteeing precise outer diameter, wall thickness, and ovality tolerances critical for leak-free HVAC connections.
Coil Form Convenience: Supplied in continuous coil lengths up to 100 meters (longer upon request), reducing joint counts and installation labor.
Clean Interior: Bright annealed and oil-free interior surface prevents contamination of refrigerant circuits, extending system life.
Versatile Temper Options: Available in annealed (soft), half-hard, or hard temper to match different bending and strength requirements.
Customizable Dimensions: Outer diameter range 6 mm – 25.4 mm, wall thickness 0.5 mm – 2.0 mm, with custom sizes available upon request.
| Parameter | Value Range | Notes |
|---|---|---|
| Outer Diameter | 6 – 25.4 mm | Custom diameter available |
| Wall Thickness | 0.5 – 2.0 mm | Per JIS H3300 tolerance |
| Coil Length | Up to 100 m per spool | Longer lengths upon request |
| Temper | Annealed / Half-Hard / Hard | Customer specification |
| Chemical Composition | Cu ≥99.9%, P 0.015–0.040% | C1220T grade |
| Burst Pressure | ≥ 5.0 MPa (typical) | Depends on wall thickness |
Advantages for HVAC Applications
High Thermal Conductivity: Copper’s excellent heat transfer (401 W/m·K) maximizes evaporator and condenser efficiency, reducing energy consumption.
Corrosion Resistance: The phosphorus deoxidized layer resists oxidation and pitting, even in humid or acidic environments, ensuring long service life.
Easy Installation: Soft annealed temper allows easy bending without kinking; coil packaging reduces splicing and leak points.
Compatibility: Works with standard brazing and soldering methods; compatible with R-410A, R-32, R-134a and other common refrigerants.
Compact Packaging: Spooled coils minimize storage space and shipping costs compared to straight lengths.
Trust & Quality Assurance
At Wuxi Yansheng Technology Co., Ltd., we have built a solid reputation across North America, South America, Europe, Asia, and Oceania. Our factory is certified under ISO9001, ISO14000, and OHSAS18001, reflecting our commitment to quality, environment, and worker safety. With a team of over 100 experienced staff and an annual export value between US$50 million and US$100 million, we deliver consistent product quality and on-time shipment from major Chinese ports including Tianjin, Shanghai, Qingdao, and Ningbo. Every coil tube undergoes rigorous eddy current testing and dimensional inspection before packing. We offer flexible order quantities and customized packaging options to meet your exact project needs. Choose our JIS H3300 copper coil tube for reliable performance in your HVAC cooling systems — contact us today for a quote or sample request!
Frequently Asked Questions (FAQ)
Q: What is the difference between C1220T and C1100T?
A: Both are high-purity copper grades under JIS H3300. C1220T has a controlled phosphorus content (0.015–0.040%) to reduce oxidation during brazing, while C1100T is oxygen-free (Cu≥99.9%) for applications requiring maximum conductivity. We can supply either grade per your specification.Q: Are your coils suitable for ammonia refrigeration systems?
A: Yes, copper is compatible with ammonia; however, we recommend using our C1220T grade which offers enhanced corrosion resistance in such environments. Please confirm operating conditions for best recommendation.Q: Can you provide custom coil lengths or diameters?
A: Absolutely. We offer custom outer diameters from 6 mm to 25.4 mm, wall thicknesses from 0.5 mm to 2.0 mm, and coil lengths up to 200 meters per spool (based on diameter). Minimum order quantity may apply for custom sizes.Q: How do you ensure the interior of the tube is clean for refrigerant systems?
A: Our tubes are bright annealed in a controlled atmosphere and undergo a proprietary degreasing process, leaving an oil-free, residue-free interior. We also perform cleanliness tests per ASTM standards.Q: What packaging options do you offer?
A: Standard packaging includes sturdy plywood spools wrapped with moisture-proof paper and plastic film, suitable for sea freight. We also offer export-grade carton packaging or wooden crates upon request.Q: Do you provide third-party inspection certificates?
A: Yes, we can arrange inspection by SGS, BV, or other recognized agencies at buyer’s cost. Our own QC records are available upon request.Q: What is your typical lead time?
A: For standard sizes and quantities, lead time is 15–25 days after deposit. Custom orders may require 25–35 days. We ship from Tianjin, Shanghai, Qingdao, or Ningbo.Q: Can I get a sample before placing a bulk order?
A: Certainly. Sample coils (1–2 meters) are available at a nominal fee, refundable upon first order. We also support trial orders of one spool to evaluate quality.
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