ท่อดำ 12'' ( 300 มม. )
nominal | Outside Dia. | Thickness | Weight/m | spec |
300 |
318.5 |
4.5 | 29.2 | jisg3452 |
6.0 | 46.2 | JISG3444 | ||
6.9 | 53.0 | JISG3444 | ||
8.0 | 61.3 | JISG3444 | ||
9.0 | 68.7 | JISG3444 | ||
10.3 | 78.3 | JISG3444 |
Weight +/-10% Outside Dia +/- 0.5%