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.
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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