API 5L PSL1 da PSL2 Bambance-bambance don Bututun Layin Karfe

API 5L line bututu (Seamless da welded bututu) na duk maki da PSL1 da PSL2 biyu samfurin bayani dalla-dalla, sun bambanta a kan sinadaran abun da ke ciki, masana'antu matakai, inji ƙarfi, zafi magani, gwajin records, traceability da dai sauransu.

Bututun layi a API 5L PSL2 ya fi PSL1 girma

a. PSL shine gajeren sunan daidaitaccen matakin samfur. Matsayin daidaitaccen samfurin bututun layi yana da PSL1 da PSL2, Hakanan zamu iya cewa ma'aunin ingancin da aka raba a PSL1 da PSL2. PSL2 ya fi PSL1 girma, ba ma'auni na dubawa kawai ya bambanta ba, har ma da kayan sinadarai, ƙa'idodin ƙarfin injiniya sun bambanta. Don haka lokacin sanya oda don bututun layin API 5L, yakamata a bayyana a sarari don girman, maki waɗannan ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, kuma dole ne a fayyace daidaitaccen matakin samarwa, PSL1 ko PSL2.
PSL2 ya fi PSL1 ƙarfi akan kaddarorin sinadarai, ƙarfin ɗaure, gwajin mara lalacewa, da gwajin tasiri.

Hanyoyin gwajin tasiri daban-daban don PSL1 da PSL2

b. API 5L PSL1 karfe layin bututu ba a buƙatar yin gwajin tasiri.
Domin API 5L PSL2 karfe layin bututu, sai Grade X80, duk sauran maki na API 5L line bututu bukatar tasiri gwajin a zazzabi na 0 ℃. Matsakaicin ƙimar Akv: shugabanci mai tsayi≥41J, juzu'i≥27J.
Don API 5L Grade X80 PSL2 bututun layi, a 0 ℃ ga duk girman, tasiri gwada matsakaicin darajar Akv: shugabanci mai tsayi≥101J, jagorar juye≥68J.

Gwajin hydraulic daban-daban don bututun layin API 5L a cikin PSL1 da PSL2

c. Don bututun layin API 5L PSL2 zai yi gwajin hydraulic don kowane bututu guda ɗaya, kuma a cikin ƙayyadaddun ƙayyadaddun ƙayyadaddun API ba a ba da izinin yin gwajin da ba mai lalacewa ya maye gurbin gwajin na'ura mai ƙarfi ba, wannan kuma babban bambanci ne tsakanin ma'aunin Sinanci da daidaitattun API 5L. Don PSL1 ba a buƙatar gwajin mara lalacewa, don PSL2 zai yi gwajin mara lalacewa ga kowane bututu guda ɗaya.

Abubuwan sinadaran daban-daban don bututun layin API 5L a cikin PSL1 da PSL2

d. Abubuwan sinadaran da ƙarfin injin suma sun bambanta tsakanin bututun layin API 5L PSL1 da bututun layin API 5L PSL2. Don cikakkun bayanai kamar yadda ke ƙasa. API 5L PSL2 suna da hani tare da abun ciki daidai da carbon, inda don juzu'in ƙwayar carbon ya fi 0.12%, kuma daidai ko ƙasa da 0.12%. Za a yi amfani da CEQ daban-daban. Don bututun layi a cikin ƙarfin tensile na PSL2 yana da iyakar iyaka.