ASTM A691 Qib 1 1/4Cr Alloy Welded Steel Yeeb Nkab
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ASTM A691 Qib 1 1/4Cr Alloy Welded Steel Yeeb Nkab

ASTM A691 yog tus qauv tshwj xeeb rau hluav taws xob fusion welded (EFW) carbon thiab alloy steel yeeb nkab tsim los rau kev kub siab thiab kev pabcuam siab.
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Cov lus qhia tshwj xeeb npog chromium-molybdenum alloy yeeb nkab uas muab lub zog zoo thiab ua haujlwm ntev hauv huab cua. SA A691 1 1/4Cr qib sib txawv muaj 1.25% chromium thiab 1.5% molybdenum, uas muab kev txhim kho corrosion thiab oxidation tsis kam, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias. Nws yog tsim los ntawm A387 / A387M qib 11 phaj thiab siv dav hauv kev lag luam uas xav tau kev ua tau zoo hauv kev siv corrosive.

Cov ntsiab lus tseem ceeb ntawm ASTM A691 Qib 1 1/4Cr

- Chav Kawm Txuj Ci:

Ntau yam kev xaiv hauv chav kawm, suav nrog Chav Kawm 11, 12, 22, 23, 30, 31, 32, 33, 34, thiab 60, tso cai rau kev kho kom haum rau lub zog tshwj xeeb thiab kev pabcuam.

- Cov ntawv thov:

ASTM A691 Qib 1 1/4Cr alloy steel kav yog tsim tshwj xeeb rau cov ntawv thov kev ntxhov siab uas qhov kub thiab txias tuaj yeem ua rau cov qauv carbon steel kav. Lawv yog cov zoo tagnrho rau:

Extraction Gas los yog Chav Kab: Resilient nyob rau hauv siab kub thiab siab, ua rau lawv haum rau roj thiab chav thauj mus rau hauv cov txheej txheem extraction.

Crude Oil Distillation Units: Nrog rau qhov kub txog li 1050ºF (565.6ºC), cov kav dej no ua tau zoo hauv cov txheej txheem distillation uas yuav tsum tau ua kom muaj cua sov thiab kev ua haujlwm zoo.

Nrog rau lawv cov ntsiab lus chromium thiab molybdenum siab, ASTM A691 Qib 1 1/4Cr kav dej muab lub zog zoo thiab oxidation tsis kam, ua rau lawv muaj kev ntseeg siab rau kev siv hluav taws xob siab, kub kub.

ASTM A691 Qib 1 1/4 Cr Alloy Welded Steel Pipe Tshuaj Ntsuam Xyuas:

Lub npe

C

Mn

P

S

Si

Cr

Mo

ASTM A691 Qib 1 1/4 Cr

0.05-0.17

 

0.40- 0.65

0.035

 

0.035

0.50-0.80

 

1.00-1.50

 

0.45-0.65


ASTM A691 Qib 1 1/4 Cr Alloy Welded Steel Pipe Lub cev muaj zog:

Lub npe

Lub zog tensile

Ksi [MPa]

Yield zog, min

Ksi [MPa]

Elongation hauv 8 nti. [200mm], min %

ASTM A691 Qib 1 1/4 Cr

75-100 [515- 690]

43 [310]

18

Cim npe nrov: astm a691 qib 1 1/4cr alloy welded steel yeeb nkab, Tuam Tshoj astm a691 qib 1 1/4cr alloy welded steel yeeb nkab manufacturers, lwm tus neeg

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