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ASTM A671/A671M LSAW Pipe ea tšepe

Tlhaloso e Khutšoanyane:

Boholo: OD: 406 ~ 1500mm WT: 6 ~ 40mm

Kereiti: CB60, CB65, CC60, CC65, joalo-joalo.

Bolelele: 12M kapa bolelele bo boletsoeng kamoo ho hlokahalang.

Qetello: Plain End, Beveled End, Grooved;

Lipehelo tsa tefo: LC/TT/DP

Mantsoe a bohlokoa: ASTM A671 Lsaw Steel Pipe, ASTM A672 C65 Lsaw Steel Pipe, carbon Lsaw steel pipe, Lsaw steel pipe mofani wa thepa.

 

 

Lintlha tsa Sehlahisoa

Lihlahisoa tse Amanang

Li-tag tsa Sehlahisoa

Tšebeliso ea ASTM A671/A671MPipe ea tšepe ea LSAW

Ke bone peipi ea tšepe ea weld
Theko e tlaase ea ASTM e 252 qubu ea phala ea tšepe
LSAW PIPI LINE

Mokhoa oa Tlhahiso

Bahlahisi ba liphaephe

Mokhoa oa ho etsa Pipe ea Longitudinal Submerged-arc Welded(LSAW) e tjena:

Ultrasonic plate probing → edge milling → pele ho kobeha → ho theha → Ho tjheseletsa pele → Ho tjheseletsa ka hare → Ho tjheseletsa ka ntle → Tlhahlobo ea Ultrasonic → tlhahlobo ea X-ray → Ho atolosa → tlhahlobo ea hydraulic →l.Chamfering → Tlhahlobo ea mahlaseli → Tlhahlobo ea X-ray → tlhahlobo ea matla a khoheli qetellong ea tube

Lintlha ka ASTM A671 LSAW(JCOE) Peipi ea Tšepe ea Carbon:

Moetso: LSAW(JCOE) Lipeipi tsa tšepe

Boholo: OD: 406 ~ 1500mm WT: 6 ~ 40mm

Kereiti: CB60, CB65, CC60, CC65, joalo-joalo.

Bolelele: 12M kapa bolelele bo boletsoeng kamoo ho hlokahalang.

Qetello: Plain End, Beveled End, Grooved;

 

 

x42 phala

Motsoako oa Lik'hemik'hale oaASTM A671Pipe ea tšepe ea LSAW ea Carbon

 

Litlhoko tsa Lik'hemik'halebakeng sa ASTM A672 B60/B70/C60/C65/C70LSAWPipe ea tšepe ea carbon

Pipe

Kereiti

Moetso, %

   

C

max

Mn

 

P

max

S

max

Si

Ba bang

   

<=1in

(25mm)

>1~2in

(25~50mm)

>2~4in(50-100mm)

> 4~8in

(100~200mm)

>8in

(200mm)

</=1/2in

(12.5mm)

>1/2in

(12.5mm)

       

CB

60

0.24

0.21

0.29

0.31

0.31

0.98 max

0.035

0.035

0.13–0.45

...

 

65

0.28

0.31

0.33

0.33

0.33

0.98 max

0.035

0.035

0.13–0.45

...

 

70

0.31

0.33

0.35

0.35

0.35

1.30 max

0.035

0.035

0.13–0.45

...

CC

60

0.21

0.23

0.25

0.27

0.27

0.55–0.98

0.79–1.30

0.035

0.035

0.13–0.45

...

 

65

0.24

0.26

0.28

0.29

0.29

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

...

 

70

0.27

0.28

0.30

0.31

0.31

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

...

Thepa ea Mechini ea ASTM A671 LSAW Pipe ea Tšepe ea Khabone:

Thepa ea Mechini

Kereiti

 

CB65

CB70

CC60

CC65

CC70

Matla a tsitsitseng, min:

ksi

65

70

60

65

70

Mpa

450

485

415

450

485

Ho hlahisa matla, min:

ksi

35

38

32

35

38

MPa

240

260

220

240

260

Phapang e Dumeletsoeng ea Boima le Botekanyo

1. Diameter e ka Ntle-Ho ipapisitsoe le tekanyo e potolohileng ± 0.5% ea bophara bo boletsoeng ka ntle.

2. Out-of-Roundness-Phapang pakeng tsa boholo le tse nyenyane ka ntle didiameter.

3. Ho tsamaisana-Ho sebelisa 10 ft (3m) ho otloloha ho behoa e le hore lipheletsong ka bobeli li kopane le phala, 1/8 ka hare (3mm).

4. Botenya-Botenya bo fokolang ba lebota sebakeng leha e le sefe sa phala ha boa lokela ho feta 0.01 in. (0.3mm) tlas'a botenya bo boletsoeng ka lebitso.

5. Bolelele bo nang le lipheletso tse sa sebetsanoang bo tla ba ka hare ho -0+1/2 in. (-0+13mm) ho tse boletsoeng.Bolelele bo nang le lipheletso tse entsoeng ka mochini bo tla ba joalo ka ha ho lumellanoe pakeng tsa moetsi le moreki.

Liteko tsa Mechini bakeng sa Pipe ea tšepe ea ASTM A671 LSAW:

Teko ea Tension - Thepa e fapaneng ea lenonyeletso le cheselitsoeng e tla fihlela litlhoko tse tlase bakeng sa matla a ho qetela a matla a poleiti e boletsoeng.

Transverse-tataisa-weld-bent liteko -The koba teko e tla amoheleha haeba ho se mapetsong kapa likoli tse ling tse fetang 1/8 in. (3mm) ka tsela efe kapa efe ba teng ka tšepe tjheseletsa kapa pakeng tsa tjheseletsa le tšepe botlaaseng ka mor'a ho kobeha.

Radio-graphic Examination-Bolelele bo felletseng ba weld ka 'ngoe ea sehlopha sa X1 le X2 bo tla hlahlojoa ka radiographic ho latela le ho fihlela litlhoko tsa ASME Boiler le Pressure Vessel Code, Karolo ea bosupa, serapa sa UW-51.

Ponahalo ea pipi ea tšepe ea ASTM A671 LSAW:

Lebitso kapa letšoao la moetsi
Nomoro e khethehileng (letsatsi la selemo kapa le hlokahalang)
Boholo (OD, WT, bolelele)
Kereiti (A kapa B)
Mofuta oa peipi(F, E, kapa S)
Khatello ea teko (peipi ea tšepe e se nang seam feela)
Nomoro ea Mocheso
Tlhahisoleseding efe kapa efe e eketsehileng e boletsoeng ho odara ea theko.

Ho odara litaba

Bongata (maoto, limithara, kapa palo ea bolelele)
Lebitso la thepa (peipi ea tšepe, fusion ea motlakase e cheselitsoeng)
Nomoro ea tlhaloso
Likhetho tsa sehlopha le tsa sehlopha
Boholo (ka ntle kapa ka hare bophara, botenya bo tloaelehileng kapa bo fokolang)
Bolelele (bo khethehileng kapa bo sa reroang)
Qetello ea ho qetela
Likhetho tsa ho reka
Litlhoko tsa tlatsetso, haeba li teng.

Ho paka bakeng sa pipi ea tšepe ea ASTM A671 LSAW:

welded lsaw steel pipe
LSAW ASTM A252 PIPE
Ke bone liqubu tsa tšepe

  • E fetileng:
  • E 'ngoe:

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