API 5L X70 paipa o se mea tau paipa togi meamea i API 5L fa'amatalaga fa'apitoa. E taua foi o le paipa L485, ona o le malosi e maua ai
aupito maualalo ile 485 Mpa (70,300 psi). API 5L X70 e aofia ai ituaiga gaosiga i ituaiga e leai se aoga ma faʻapipiʻiina (RW, SAW), faʻaoga uma.
mo felauaiga suauu ma kesi.
API X70 carbon uamea laina paipa e mafai ona faauigaina o paipa uʻamea ma maualuga carbon anotusi ma alloying tuufaatasiga. API 5L X 70 carbon steel seamless paipa I le faaopoopo atu i le suʻeina o le aofaʻi o isi elemene e pei o le sulfur, phosphorus, ma isi mea, o lona uʻamea e iai le maualuga o le manganese ma le silicon. O le faʻaopoopoga o nei elemene uma e fesoasoani i le faʻaleleia o mea faʻainisinia o le X70 carbon steel paipa.
E mafai ona iloa lenei mea mai le maualalo o le malosi o le gaosiga (485 MPa) o le API 5L X70 Class B LSAW tube. O lo'o iai fo'i le la'ititi la'ititi o le malosi o le 635 MPa. O le pito i luga ole API 5L X70 SCH 40 DSAW tubes o loʻo togafitia i ituaiga eseese, e pei o le uliuli, suauʻu anticorrosive, uʻamea vevela poʻo le malulu. Faʻalagolago i le faʻaogaina patino o le X70 PSL2 spiral tube, e mafai ona matou fautuaina le togafitiga sili ona lelei mo a matou tagata faʻaaloalogia. Mo se faʻataʻitaʻiga, o le faʻapipiʻi uʻamea i luga ole X70 PSL1 vasega paipa o loʻo faʻaalia ai le lelei tele o le faʻafefe.
Ituaiga |
API paipa uamea |
Tele paipa |
30 - 426mm |
Mafiafia puipui |
3-80mm |
Umi |
5-12m |
Meafaitino |
API 5L X 52 X70 X65 X56, |
Tulaga |
GB, DIN, ASTM, API (GB/T8162, GB/T8163, GB/T 3087, GB 5130, DIN 1626, DIN 1629 /3, DIN 2391, DIN 17175, DIN 2448, |
Fa'atatauga |
suauʻu, faufale, fau vaa, faʻafefeteina, vaalele, malosi, meaʻai, fai pepa, vailaʻau, mea faʻafomaʻi, |
afifi |
Fa'apipi'i fasi uamea, Fa'aputu ato lalaga, pulou palasitika i pito uma e lua, po'o mana'oga o tagata fa'atau. |
Fa'asu'esu'ega o vaila'au
Vasega | Fa'asu'esu'ega o vaila'au | |||||||
C | Si | Mn | 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 Manaoga Kemisi | ||||||||
Vasega | Tulaga, % | |||||||
C maualuga | Mn max | P | S max | V maualuga | Nb max | Ti max | ||
min | maualuga | |||||||
B | 0.28 | 1.2 | – | 0.03 | 0.03 | c.d | c,o | o |
X70 | 0.28 | 1.4 | – | 0.03 | 0.03 | f | f | f |
API 5L X70Q PSL 2 Manaoga Vailaau | |||||||||
Vasega | Tulaga, % | ||||||||
C | Si | Mn | P | S | V | Nb | Ti | Isi | |
X70Q | 0.18 | 0.45 | 1.8 | 0.025 | 0.015 | g | g | g | h,l |
API 5L GrB X70 PSL 1/2 Meatotino Fa'ainisinia
Vasega | Malosi Manuia Mpa | Malosi Tetele Mpa | Raito | Fa'aumiumi | ||
min | maualuga | min | maualuga | maualuga | min | |
BN | 245 | 450 | 415 | 655 | 0.93 | f |
BQ | ||||||
X70Q | 485 | 635 | 570 | 760 | 0.93 | f |