welded steel pipe
Details
Product | ERW Steel Pipe |
Material | Carbon Steel |
Grade | Q195 = S195 / A53 Grade AQ235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2Q345 = S355JR / A500 Grade B Grade C |
Standard | EN39, BS1139, BS1387, EN10255,ASTM A53, A500, A36, A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793 |
Surface | Bare or Painted |
Ends | Plain endswith or without caps |


Processing video:
Storage show:
Calculation formula
Weight of welded steel pipe kg/m = (Od-Wt) * Wt * 0.02466 Note: Where Od is outer diameter Wt is wall thickness
Caliber |
| Common pipe | Thick pipe |
(mm) | (in) | (mm) | Thickness(mm) | Theoretical Weight(kg/m) | Thickness(mm) | Theoretical Weight(kg/m) |
6 | 1/8″ | 10 | 2.00 | 0.39 | 2.5 | 0.46 |
8 | 1/4″ | 13.5 | 2.25 | 0.62 | 2.75 | 0.73 |
10 | 3/8″ | 17 | 2.25 | 0.82 | 2.75 | 0.97 |
15 | 1/2″ | 21.25 | 2.75 | 1.26 | 3.25 | 1.45 |
20 | 3/4″ | 26.75 | 2.75 | 1.63 | 3.5 | 2.01 |
25 | 1″ | 33.5 | 3.25 | 2.42 | 4 | 2.91 |
32 | 1 1/4 | 42.25 | 3.25 | 3.13 | 4 | 3.78 |
40 | 1 1/2 | 48 | 3.5 | 3.84 | 4.25 | 4.58 |
50 | 2″ | 60 | 3.5 | 4.88 | 4.5 | 6.16 |
65 | 2 1/2 | 75.5 | 3.75 | 6.64 | 4.5 | 7.88 |
80 | 3″ | 88.5 | 4 | 8.34 | 4.75 | 9.81 |
100 | 4″ | 114 | 4 | 10.85 | 5 | 13.44 |
125 | 5″ | 140 | 4 | 13.42 | 5.5 | 18.24 |
150 | 6″ | 165 | 4.5 | 17.81 | 5.5 | 21.63 |