TECHNICAL PIPELINE
WELDED & SEAMLESS WROUGHT STEEL PIPE
Threaded Pipe Size Chart
EN 10255 · Medium & Heavy Series, mm & kg/m
TECHNICAL REFERENCE
Non-Alloy Steel Tubes for Welding & Threading
WT in mm · mass in kg/m · red = Heavy series| IDENTIFICATION | MEDIUM SERIES | HEAVY SERIES | |||||
|---|---|---|---|---|---|---|---|
| Thread Size | DN | OD max (mm) | OD min (mm) | WT (mm) | Mass (kg/m) | WT (mm) | Mass (kg/m) |
| 1/8 | 6 | 10.6 | 9.8 | 2 | 0.404 | 2.6 | 0.487 |
| 1/4 | 8 | 14 | 13.2 | 2.3 | 0.641 | 2.9 | 0.765 |
| 3/8 | 10 | 17.5 | 16.7 | 2.3 | 0.839 | 2.9 | 1.02 |
| 1/2 | 15 | 21.8 | 21 | 2.6 | 1.21 | 3.2 | 1.44 |
| 3/4 | 20 | 27.3 | 26.5 | 2.6 | 1.56 | 3.2 | 1.87 |
| 1 | 25 | 34.2 | 33.3 | 3.2 | 2.41 | 4 | 2.93 |
| 1-1/4 | 32 | 42.9 | 42 | 3.2 | 3.1 | 4 | 3.79 |
| 1-1/2 | 40 | 48.8 | 47.9 | 3.2 | 3.56 | 4 | 4.37 |
| 2 | 50 | 60.8 | 59.7 | 3.6 | 5.03 | 4.5 | 6.19 |
| 2-1/2 | 65 | 76.6 | 75.3 | 3.6 | 6.42 | 4.5 | 7.93 |
| 3 | 80 | 89.5 | 88 | 4 | 8.36 | 5 | 10.3 |
| 4 | 100 | 115 | 113.1 | 4.5 | 12.2 | 5.4 | 14.5 |
| 5 | 125 | 140.8 | 138.5 | 5 | 16.6 | 5.4 | 17.9 |
| 6 | 150 | 166.5 | 163.9 | 5 | 19.8 | 5.4 | 21.3 |
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