 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | welded pipe | 溶接管 | |||
| 2 | electric arc welded carbon steel pipe | 配管用アーク溶接炭素鋼管 | |||
| 3 | electric resistance welded pipe | 電気溶接鋼管 | |||
| 4 | seam welded steel pipe | 電縫管 | |||
| 5 | welded steel pipe | 溶接鋼管 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | welded pipe | 溶接管 | |||
| 2 | electric arc welded carbon steel pipe | 配管用アーク溶接炭素鋼管 | |||
| 3 | electric resistance welded pipe | 電気溶接鋼管 | |||
| 4 | seam welded steel pipe | 電縫管 | |||
| 5 | welded steel pipe | 溶接鋼管 | |||
