Spiral welded pipes For Underground Natural Gas Line

Tlhaloso e Khutšoanyane:

Ho hlahisa sehlahisoa sa rona sa morao-rao - spiral welded pipe, e leng karolo ea bohlokoa ea tsamaiso ea phetisetso ea lipeipi tsa khase ea tlhaho ka tlas'a lefatše.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Spiral welded lipeipili bohlokoa indastering, haholo-holo kahong ea lipeipi tsa phetiso ea oli le khase.Litlhaloso tsa bona li hlahisoa ka bophara ba ka ntle le botenya ba lebota, ho bontša ho feto-fetoha ha tsona le ho ikamahanya le maemo a fapaneng a litlhoko tsa liphaephe.

Standard

Kereiti ea tšepe

Sebopeho sa lik'hemik'hale

Thepa ea tensile

     

Teko ea Charpy Impact le Teko ea ho theola boima ba 'mele

C Si Mn P S V Nb Ti   CEV4) (%) Rt0.5 Mpa Ho hlahisa matla   Rm Mpa Tensile Matla   Rt0.5/ Rm (L0=5.65 √ S0 )Elongation A%
max max max max max max max max Tse ding max min max min max max min
  L245MB

0.22

0.45

1.2

0.025

0.15

0.05

0.05

0.04

1)

0.4

245

450

415

760

0.93

22

Teko ea phello ea Charpy: Matla a ho monya matla a 'mele oa liphaephe le seam ea weld e tla lekoa joalo ka ha ho hlokahala maemong a mantlha.Bakeng sa lintlha, sheba maemo a mantlha.Teko ea ho theola boima ba 'mele: Sebaka sa boikhethelo sa ho kuta

GB/T9711-2011 (PSL2)

L290MB

0.22

0.45

1.3

0.025

0.015

0.05

0.05

0.04

1)

0.4

290

495

415

21

  L320MB

0.22

0.45

1.3

0.025

0.015

0.05

0.05

0.04

1)

0.41

320

500

430

21

  L360MB

0.22

0.45

1.4

0.025

0.015

      1)

0.41

360

530

460

20

  L390MB

0.22

0.45

1.4

0.025

0.15

      1)

0.41

390

545

490

20

  L415MB

0.12

0.45

1.6

0.025

0.015

      1)2)3

0.42

415

565

520

18

  L450MB

0.12

0.45

1.6

0.025

0.015

      1)2)3

0.43

450

600

535

18

  L485MB

0.12

0.45

1.7

0.025

0.015

      1)2)3

0.43

485

635

570

18

  L555MB

0.12

0.45

1.85

0.025

0.015

      1)2)3 Puisano

555

705

625

825

0.95

18

  Hlokomela:
  1)0.015 ≤ Altot < 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Mo ≤ 0.10;
  2)V+Nb+Ti ≤ 0.015%                      
  3) Bakeng sa limaraka tsohle tsa tšepe, Mo e ka ≤ 0.35%, tlas'a konteraka.
  4)CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Mokhoa oa ho etsa lipeipi tse cheselitsoeng ka spiral o kenyelletsa tšebeliso ea theknoloji e tsoetseng pele ea ho tjheseletsa liphaephe, ho hlahisa liphaephe tse cheselitsoeng ka mahlakoreng a le mong kapa a mabeli.Ts'ebetso tsena tsa welding li netefatsa ho tšoarella ho hoholo le ho ts'epahala ha phaepe, e khonang ho mamella maemo a thata.tsela ea khase ea tlhaho e ka tlas'a lefatšephetiso.

Setsing sa rona sa tlhahiso, re netefatsa hore liphaephe tsa rona tse cheselitsoeng ka spiral li etsa liteko tse matla tsa netefatso ea boleng ho netefatsa maemo a bona a holimo a ts'ebetso.Ho bohlokoa hore phala e cheselitsoeng e kopane le melaoana ea tlhahlobo ea hydraulic, matla a thata le thepa e batang ea ho kobeha.

https://www.leadingsteels.com/helical-seam-carbon-steel-pipes-astm-a139-grade-abc-product/

Liphaephe tsa rona tse cheselitsoeng ka spiral li etselitsoe ho feta maemo a indasteri le ho fihlela litlhoko tse thata ka ho fetesisa tsa sistimi ea phetisetso ea khase ea tlhaho e ka tlas'a lefatše.Li etselitsoe ho mamella maemo a mangata a tikoloho, ho netefatsa nako e telele le polokeho ts'ebetsong efe kapa efe.

Ts'ebeliso ea lipeipi tse cheselitsoeng ka spiral lits'ebetsong tsa lipalangoang tsa khase ea tlhaho tse ka tlas'a lefatše li fana ka mokhoa o sebetsang le o sebetsang oa ho tsamaisa khase ea tlhaho.Ho tšoarella ha tlhaho ha kaho ea li-spiral-welded ho netefatsa phano ea khase le ho fokotsa kotsi ea ho lutla kapa ho hola ha nako e ntse e ea, ho fana ka khotso ea kelello ho basebelisi le basebelisi ba ho qetela.

Re ikemiseditse ho fa bareki ba rona dihlahiswa tsa boleng bo phahameng ka ho fetisisa, mme diphaephe tsa rona tse spiral welded ke bopaki ba boitlamo ba rona ba bokgabane ba indasteri.Re etelletsa pele ho tšoarella, ts'ebetso le polokeho ea lihlahisoa tsa rona, ho netefatsa hore li kopana le ho feta litlhoko tse thata tsa litsamaiso tsa phetisetso ea khase ea tlhaho tse ka tlas'a lefatše.

Ka bokhuts'oane, lipeipi tsa rona tsa spiral welded ke karolo ea bohlokoahali ho aheng le ho lokisoeng ha litsamaiso tsa lipalangoang tse tsamaeang ka tlas'a lefatše.Ka kaho ea eona e hloahloa, ho latela maemo a indasteri, le boitlamo bo sa thekeseleng ba boleng, peipi ea rona e tsoetsoeng ka spiral e loketse morero ofe kapa ofe oa phetisetso ea khase ea tlhaho.Selekane le rona ho fana ka phala ea boleng bo phahameng ka ho fetesisa ea spiral bakeng sa litlhoko tsa hau tsa phetisetso ea lipeipi tsa khase ea tlhaho.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona