Nhazi ọkwa API 5L Gr.B sitere na API Spec 5L nkọwapụta maka Pipe Line.Standard Line Pipe nwere ọkwa ọkwa A na B. Ike akara ule nwere designation X sochiri kpọmkwem kacha nta mkpụrụ ike nke ọkpọkọ ígwè, tụrụ na kilopounds kwa square inch (abbreviated ksi), eg X60 maka ọkpọkọ nwere kacha nta mkpụrụ ike nke 60. ksi.Lee okpokoro dị n'okpuru maka akara ule dị.
API 5L Gr.B na-ekpuchi WELDED naPIPE NA-ECHICHEdabara adaba maka iji na-ebuga gas, mmiri, na mmanụ na ma ụlọ ọrụ mmanụ na gas.
Njirimara anụ ahụ Line Pipe
| API 5L ọkwa | Mpụta Ike min (ksi) | Ike ọdụdọ min (ksi) | Nyefee na oke tensile (max.) | Ogologo oge nkeji(%) |
| 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 |
Oge nzipu: Feb-21-2020