HONGTAI pancake coil copper tube is a soft annealed copper tube supplied in compact coil form, widely used in HVAC, refrigeration, and air conditioning installation. The coil structure allows easy transportation, bending, and installation, making it ideal for refrigerant piping and air conditioning line sets. They are manufactured according to ASTM B280, EN 12735, and JIS H3300 standards, Hongtai pancake copper coils ensure excellent pressure resistance, corrosion resistance, and long service life in refrigeration systems.
1 Soft Annealed Copper for Easy Installation
The pancake coil copper tubes from HONGTAI COPPER are fully annealed to ensure excellent flexibility, making them easy to bend and install in HVAC and refrigeration systems.
2 High Purity Copper Material
HONGTAI pancake coil copper tube is manufactured with high purity copper material to ensure excellent thermal conductivity and corrosion resistance.
3 International Standards Compliance
Available according to multiple international standards:
ASTM B280
EN 12735
AS 1571
JIS H3300
4 Strict Quality Inspection
Each coil undergoes:
Eddy current testing
Surface inspection
Dimension testing
| O.D. Inches | O.D. (mm) | W.T. (mm) | |||||||||||||||||
| 0.4 | 0.45 | 0.5 | 0.55 | 0.6 | 0.65 | 0.7 | 0.75 | 0.8 | 0.85 | 0.9 | 0.95 | 1.00 | 1.10 | 1.15 | 1.20 | 1.25 | 1.50 | ||
| 1/8" | 3.18 | O | O | O | O | O | O | O | O | - | - | - | - | - | - | - | - | - | - |
| 3/16" | 4.76 | - | O | O | O | O | O | O | O | O | O | - | - | - | - | - | - | - | - |
| 1/4" | 6.35 | O | O | O | O | O | O | O | O | O | O | O | O | O | - | - | - | - | - |
| 5/16" | 7.94 | - | O | O | O | O | O | O | O | O | O | O | O | O | O | - | - | - | - |
| 3/8" | 9.52 | - | - | O | O | O | O | O | O | O | O | O | O | O | O | O | - | - | - |
| 1/2" | 12.7 | - | - | O | O | O | O | O | O | O | O | O | O | O | O | O | O | O | O |
| 5/8" | 15.88 | - | - | - | - | O | O | O | O | O | O | O | O | O | O | O | O | O | O |
| 3/4" | 19.05 | - | - | - | - | - | - | O | O | O | O | O | O | O | O | O | O | O | O |
| 7/8" | 22.22 | - | - | - | - | - | - | - | - | - | - | O | O | O | O | O | O | O | O |
20+ years copper tube manufacturing experience
Continuous casting and rolling production line
Yearly production capacity: 100000 tons
Exported to 30+ countries
Every copper pancake coil undergoes strict quality inspection:
Eddy current flaw detection
Chemical composition testing
Mechanical property testing
Pressure resistance testing
Each coil sealed with plastic caps
Packed in export cartons
Coil length: 15m / 30m / custom
