Pipe ea API 5L X70 ke lisebelisoa tsa liphaephe tsa maemo a holimo ho API 5L tse tloaelehileng. E boetse e bitsoa phala ea L485, kaha ke matla a tlhahiso
bonyane ka 485 Mpa (70,300 psi). API 5L X70 e akaretsa mefuta ea tlhahiso ka mefuta e se nang seam (RW, SAW), ka bobeli e sebelisitsoeng.
bakeng sa phetiso ea oli le khase.
API X70 carbon steel line pipe e ka hlalosoa e le pipe ea tšepe e nang le carbon content e ngata le motsoako oa motsoako. API 5L X 70 carbon steel seamless pipe Ho phaella tabeng ea ho latela lintlha tse ling tse kang sebabole, phosphorus, joalo-joalo, motsoako oa eona o na le lintho tse ngata tsa manganese le silicon. Ho eketsoa ha lintho tsena kaofela ho thusa ho ntlafatsa thepa ea mochini ea phala ea tšepe ea X70 ea carbon.
Sena se ka bonoa ho tloha matla a lihlahisoa tse tlaase (485 MPa) tsa API 5L X70 Sehlopha sa B LSAW tube. E boetse e na le matla a fokolang a 635 MPa. Bokaholimo ba li-tubes tsa API 5L X70 SCH 40 DSAW li tšoaroa ka mefuta e fapaneng, joalo ka oli e ntšo, e thibelang ho bola, e kentsoeng ka galvanized e chesang kapa e batang. Ho ipapisitsoe le ts'ebeliso e ikhethileng ea X70 PSL2 spiral tube, re ka khothaletsa kalafo e ntle ka ho fetesisa ea bokaholimo bakeng sa bareki ba rona ba hlomphuoang. Mohlala, ho roala ka masenke ho liphaephe tsa sehlopha sa X70 PSL1 ho bonts'a khanyetso e ntle ea kutu.
Mofuta |
API peipi ea tšepe |
Boholo ba phala |
30 - 426 limilimithara |
Botenya ba lebota |
3-80 limilimithara |
Bolelele |
5-12m |
Lintho tse bonahalang |
API 5L X 52 X70 X65 X56, |
Standard |
GB, DIN, ASTM, API (GB/T8162, GB/T8163, GB/T 3087, GB 5130, DIN 1626, DIN 1629/3, DIN 2391, DIN 17175, DIN 2448, |
Kopo |
petroleum, kaho, kaho ea likepe, ho qhibilihisa, sefofane, matla, lijo, ho etsa pampiri, lik'hemik'hale, lisebelisoa tsa bongaka, |
Sephutheloana |
Meqathatso ea tšepe e phuthetsoe, mekotla e lohiloeng e pakiloe, likatiba tsa polasetiki ka mahlakoreng ka bobeli, kapa ho latela litlhoko tsa bareki. |
Sebopeho sa Lik'hemik'hale
Kereiti | Sebopeho sa Lik'hemik'hale | |||||||
C | Si | Mong | P | S | V | Nb | Ti | |
API 5L X70 | 0.17 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.05 | 0.06 |
API 5L X70 PSL 1 Litlhoko tsa Lik'hemik'hale | ||||||||
Kereiti | Moetso, % | |||||||
C max | Mong max | P | S max | V boholo | Nb boholo | Ke max | ||
min | max | |||||||
B | 0.28 | 1.2 | - | 0.03 | 0.03 | c.d | c,d | d |
X70 | 0.28 | 1.4 | - | 0.03 | 0.03 | f | f | f |
API 5L X70Q PSL 2 Litlhoko tsa Lik'hemik'hale | |||||||||
Kereiti | Moetso, % | ||||||||
C | Si | Mong | P | S | V | Nb | Ti | Tse ding | |
X70Q | 0.18 | 0.45 | 1.8 | 0.025 | 0.015 | g | g | g | h,l |
API 5L GrB X70 PSL 1/2 Mechanical Properties
Kereiti | Kotulo Matla Mpa | Tensile Matla Mpa | Raito | Elongation | ||
min | max | min | max | max | min | |
BN | 245 | 450 | 415 | 655 | 0.93 | f |
BQ | ||||||
X70Q | 485 | 635 | 570 | 760 | 0.93 | f |