Loaʻa nā papa inoa API 5L Gr.B mai ka API Spec 5L Specification no Line Pipe.Aia ka paipu laina maʻamau i ka papa inoa A a me B. ʻO nā māka ikaika loa ka inoa X a ukali ʻia e ka ikaika hoʻohua haʻahaʻa i ʻōlelo ʻia o ke kila paipu, ana ʻia i nā kilopound no kēlā me kēia ʻīniha huinahā (ksi i pōkole ʻia), e laʻa me X60 no ka paipu nona ka ikaika hua haʻahaʻa he 60. ksi.E nānā i ka papa ma lalo no nā māka maʻamau i loaʻa.
API 5L Gr.B uhi WELDED aPIPI OLEkūpono no ka hoʻohana ʻana i ka lawe ʻana i ke kinoea, ka wai, a me ka ʻaila ma nā ʻoihana ʻaila a me nā ʻoihana kūlohelohe.
Na Pono Kino Paipu Line
| API 5L Papa | Hua ikaika min.(ksi) | Ikaika U'i min.(ksi) | Hāʻawi i ka Tensile Ratio (max.) | ʻO ka lōʻihi 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 |
Ka manawa hoʻouna: Feb-21-2020