EN 12735 Seamless, Round Copper Tubes for Air Conditioning and Refrigeration - Dimensions
Dimensions of seamless, round copper tubes for air conditioning and refrigeration piping systems.
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Dimensions of copper tubes according EN 12735 Copper and copper alloys. Seamless, round copper tubes for air conditioning and refrigeration. Tubes for piping systems:
| Nominal Outside Diameter - d - | Nominal Wall Thickness - e - (mm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Metric Series | Imperial Series | ||||||||
| (mm) | (mm) | (in) | 0.8 | 1.0 | 1.25 | 1.5 | 1.65 | 2.0 | 2.5 |
| 3.18 | 1/8 | C | |||||||
| 3.97 | 5/32 | C | C | ||||||
| 4.76 | 3/16 | C | |||||||
| 6 | S, C | C | |||||||
| 6.35 | 1/4 | C | C | ||||||
| 7.94 | 5/16 | C | C | ||||||
| 8 | S, C | C | |||||||
| 9.52 | 3/8 | C | C | ||||||
| 10 | S, C | S, C | |||||||
| 12 | S, C | ||||||||
| 12.7 | 1/2 | C | S, C | ||||||
| 15 | S, C | ||||||||
| 15.87 | 5/8 | S, C | |||||||
| 18 | S, C | ||||||||
| 19.06 | 3/4 | C | S | ||||||
| 22 | S, C | ||||||||
| 22.3 | 7/8 | C | S | ||||||
| 25.4 | 1 | S | |||||||
| 28 | S | ||||||||
| 28.57 | 1 1/8 | S | S | ||||||
| 34.92 | 1 3/8 | S | |||||||
| 35 | S | ||||||||
| 41.27 | 1 5/8 | S | |||||||
| 42 | S | ||||||||
| 53.97 | 2 1/8 | S | S | ||||||
| 54 | S | ||||||||
| 64 | S | ||||||||
| 66.67 | 2 5/8 | S | S | S | |||||
| 76.1 | S | ||||||||
| 79.37 | 3 1/8 | S | S | ||||||
| 88.90 | 3 1/2 | S | |||||||
| 92.07 | 3 5/8 | S | S | ||||||
| 104.80 | 4 1/8 | S | S | ||||||
| 108 | S | ||||||||
•Recommended
- S - available in straight lengths
- C - available in coils
- 1 inch = 25.4 mm
Example - Designation of EN 12735 Copper Tube
- Copper tube EN 12735 R290 15×1.0
where R290 is material temper.
Material Temper
| Material Temper | Tensile Strength | Elongation min. | Vickers Hardness | |
|---|---|---|---|---|
| Designation | Commonly used term | (MPa) | (%) | HV5 |
| R220 | annealed, soft | 40 | 40 - 70 | |
| R250 | half hard | 250 | 30 | 75 - 100 |
| R290 | hard | 290 | 3 | over 100 |
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