Spiral Welded Carbon Steels Pipe Bakeng sa Metsi Line Tubing

Tlhaloso e Khutšoanyane:

Ho pholletsa le sebaka se seholo sa meralo ea motheo, ts'ebetso e se nang moeli ea lits'ebetso tsa metsi le lits'ebetso tsa indasteri e itšetlehile haholo ka ho tšoarella le ho sebetsa hantle ha lipeipi.Har'a mefuta e sa tšoaneng ea liphaephe tse sebelisoang, liphaephe tsa tšepe tsa spiral welded carbon li lokeloa ke tlhokomelo bakeng sa matla a tsona a phahameng le ho feto-fetoha ha maemo.Ka tlase ho qala tlhaloso ea bohlokoa le melemo ea spiral welded carbon steel pipe kalikhoele tsa metsi le ho tjheseletsa dipeipi tsa tšepe.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

1. Utloisisa spiral welded carbon steel pipe:

Spiral welded carbon steel pipee entsoe ka moea le ho chesetsoa ka likhoele tsa tšepe.Mokhoa o ikhethang oa tlhahiso o etsa hore liphaephe tsena li be matla le ho tšoarella, li khone ho mamella likhatello tse phahameng tsa ka hare le tsa ka ntle.Bokhoni ba ho hanela kutu le ho senyeha ho boetse ho etsa hore e tšoanelehe bakeng sa mefuta e mengata ea likopo, ho kenyeletsoa liphaephe tsa metsi le lipeipi tsa tšepe.

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.
                     Mong     Cr+Mo+V   Ke+Ni                                                                                                                                                                            4)CEV=C+6 + 5 + 5

2. Lithapo tsa metsi:

Litsamaisong tsa kabo ea metsi, phano e sireletsehileng le e sebetsang ea metsi a hloekileng e bohlokoa.Spiral welded carbon steel pipe e ipakile e le khetho e tšepahalang bakeng sa liphaephe tsa metsi ka lebaka la thepa ea eona e hananang le kutu.Sebaka se boreleli sa lipeipi tsena se fokotsa ho hohlana, ho netefatsa hore metsi a phalla kamehla le ho fokotsa moferefere.Ho feta moo, matla a tlhaho le ho tšoarella li tiisa ts'ireletso khahlanong le ho lutla, ho robeha, le ho se atlehe ha sebopeho, ho netefatsa phepelo ea metsi e tsoelang pele, e tšepahalang.

3. Ho cheselletsa lipeipi tsa tšepe:

Indasteri ea tjheseletsa e itšetlehile haholo ka spiral welded carbon steel pipe bakeng sa lisebelisoa tse fapaneng.Matla a ikhethang le ho feto-fetoha ha liphaephe tsena li etsa hore e be tse loketseng bakeng sa ho cheselletsa lipeipi tsa tšepe.Hore na ho aha litanka tse kholo tsa polokelo, lipeipi tse tsamaisang oli le khase, kapa likarolo tsa meralo maemong a indasteri, lipeipi tsa tšepe tsa spiral welded carbon li bapala karolo ea bohlokoa.Ho tšoana ha manonyeletso a cheselitsoeng ho tiisa ho ts'epahala le polokeho ea sebopeho, ho fokotsa tlhoko ea ho lokisoa khafetsa kapa ho lokisoa.

Pipe ea SSAW

4. Melemo le melemo:

4.1 Tharollo e theko e boima: Pipe ea tšepe ea Spiral welded carbon e fana ka tharollo e theko e boima bakeng sa phala ea metsi le tjheseletsa ea lipeipi tsa tšepe.Ho tšoarella ha bona le ho hanyetsa ha kutu ho netefatsa bophelo bo bolelele ba ts'ebeletso, ka hona ho fokotsa litšenyehelo tsa ho nchafatsa le ho li lokisa.

4.2 Ho bonolo ho kenya: Theknoloji ea spiral welding e sebelisoang ha ho etsoa tlhahiso e ka hlahisa liphaephe tse telele le tse tsoelang pele, ho fokotsa tlhokahalo ea ho kopanya khafetsa.Moralo ona o bonolo o nolofatsa mokhoa oa ho kenya, o boloka nako le boiteko.

4.3 Mefuta-futa: Liphaephe tsa tšepe tsa Spiral welded carbon li fumaneha ka mefuta e fapaneng ea li-diameter le botenya, tse li lumellang hore li ikamahanye le lisebelisoa tse fapaneng.Li ka etsoa ho latela litlhoko tse khethehileng tsa morero, ho ikamahanya le mefuta e fapaneng ea maro, likhatello le mocheso.

4.4 Tšireletso ea tikoloho: Tšepe ea carbon ke thepa e ka sebelisoang hape e tlatsetsang ho boloka tikoloho.Spiral welded carbon steel pipes e ka sebelisoa hape le ho sebelisoa hape, ho fokotsa litšila le ho sireletsa mehloli ea tlhaho.

Ha re phethela:

Bokhoni le melemo ea spiral welded carbon tšepe liphaephe ka phala ea metsi letjheseletsa peipi ya tšepee ke ke ya nyenyefatsa.Phetiso e sebetsang hantle le e tšepahalang ea metsi le maro a indasteri a itšetlehile haholo ka ho tšoarella ha tsona, ho hanyetsa kutu le boiketlo ba ho kenya.Ha tlhokahalo ea meralo ea motheo e matla le e baballang chelete e ntse e eketseha, lipeipi tsa tšepe tsa spiral welded carbon li tla lula e le karolo ea bohlokoa ho netefatsa hore tsamaiso ea metsi le mekhoa ea indasteri e sebetsa ka thelelo lefatšeng ka bophara.


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