API 5L Gr.B ite designations wa lati API Spec 5L Specification fun Line Pipe.Standard Line Pipe ni o ni ite yiyan A ati B. Awọn onipò ti o lagbara ni yiyan X ti o tẹle pẹlu agbara ikore ti o kere ju ti irin pipe, tiwọn ni kilopounds fun square inch (abbreviated ksi), fun apẹẹrẹ X60 fun paipu nini agbara ikore ti o kere ju ti 60 ksi.Wo tabili ni isalẹ fun awọn ipele ti o wa ni boṣewa.
API 5L Gr.B ni wiwa WELDED atiPIPE SEAMLISSo dara fun lilo ni gbigbe gaasi, omi, ati epo ni mejeeji epo ati awọn ile-iṣẹ gaasi adayeba.
Line Pipe Physical Properties
| API 5L Ite | Agbara Ikore min.(ksi) | Agbara fifẹ min.(ksi) | Ikore si Iwọn Fifẹ (max.) | Ilọsiwaju min.(%) |
| A | 30 | 48 | 0.93 | 28 |
| B | 35 | 60 | 0.93 | 23 |
| X42 | 42 | 60 | 0.93 | 23 |
| X46 | 46 | 63 | 0.93 | 22 |
| X52 | 52 | 66 | 0.93 | 21 |
| X56 | 56 | 71 | 0.93 | 19 |
| X60 | 60 | 75 | 0.93 | 19 |
| X65 | 65 | 77 | 0.93 | 18 |
| X70 | 70 | 82 | 0.93 | 17 |
| X80 | 80 | 90 | 0.93 | 16 |
Akoko ifiweranṣẹ: Oṣu Kẹta-21-2020