Stainless hlau 254 SMO luj tshib haum

 

JN ALLOY khoom siv stainless hlau UNS S31254 6mo 90 Degree Luj Tshib, SMO DIN 1.4547 45 Degree Luj Tshib UNS S31254 6mo 3D Luj Tshib, ASTM B403 SMO 254 End Cap, Qib SMO 254 5D Luj Tshib, Qib F44 Piav, St B403 SMO 254 1D Luj Tshib, SMO DIN 1.4547 5D Luj Tshib, 254 SMO Ntev Radius Luj, ANSI B16.9 SMO 254 Luv Radius Luj.

 

254 SMO, tseem hu ua UNS S31254 lossis 6% molybdenum super austenitic stainless hlau, yog siab- alloyed stainless hlau uas muaj kev tiv thaiv zoo heev rau corrosion, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav. SMO UNS S31254 Luj tshib yog siv los hloov cov dej ntws ntawm cov kev taw qhia hauv cov kav dej los ntawm 90 lossis 45 degrees. Cov luj tshib no muaj nyob rau hauv ntev - vojvoog lossis luv vojvoog. Peb lub tuam txhab yog cov chaw tsim khoom thiab chaw tsim khoom ntawm SMO 254 Luj Tshib. Peb muaj kev vam meej los muab thiab tsim cov khoom zoo -, uas muaj nyob rau ntawm tus nqi tsim nyog. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov zoo ntawm 254 SMO lub luj tshib yuav txawv nyob ntawm cov ntawv thov tshwj xeeb thiab kev ua haujlwm. Nws raug nquahu kom sab laj nrog cov kws tshaj lij, cov tuam txhab tsim khoom, lossis cov kws tshaj lij kev lag luam los ntsuas qhov tshwj xeeb zoo thiab tsim nyog ntawm 254 SMO lub luj tshib rau koj qhov kev xav tau tshwj xeeb.

 

Alloy 254 Forged Luj Fittings Vs SMO 254 Buttweld Luj Fittings

 

Cov Alloy 254 Forged Luj Tshib Fittings yog siv rau cov kav dej uas muaj txoj kab uas hla ntawm 2 mus rau 4 ntiv tes, qhov SMO 254 Buttweld Luj Fittings yog siv rau cov kav dej uas muaj qhov loj dua. Tsis tas li ntawd, forged fittings yog tsim los ntawm cov khoom siv hlau. Tom qab ntawd lawv yog machined los muab cov duab uas xav tau. Whereas, rau buttweld fittings, lawv yog tsim los ntawm dabtsi yog khoov, shaping, thiab txiav seamless los yog welded kav hlau.

 

Chemical Composition ntawm 254 SMO Luj Tshib

 

S31254

Ni

C

Mo

Mn

Si

Fe

Cu

S

P

Cr

17.5 – 18.5

0.02 max

6 – 6.5

1 max

0.8 max

0.5 – 1

0.01 max

0.03 max

19.5 – 20.5

 

Cov ntsiab lus tseem ceeb Hais txog 254 SMO Luj Tshib

 

Corrosion Resistance: 254 SMO lub luj tshib muaj zog heev rau corrosion nyob rau hauv ntau qhov chaw, xws li dej hiav txwv, chloride- muaj cov tshuaj, acids (xws li sulfuric acid thiab phosphoric acid), thiab lwm yam kev tawm tsam. Qhov no ua rau lawv tsim nyog siv rau hauv kev lag luam xws li offshore, tshuaj ua haujlwm, thiab desalination.

Lub zog thiab Durability: 254 SMO lub luj tshib muaj lub zog siab thiab ua haujlwm ntev, ua rau lawv tsim nyog rau cov ntawv thov uas tsis kam tiv thaiv kev ntxhov siab corrosion thiab pitting corrosion yog qhov tseem ceeb.

Fabrication thiab Weldability: 254 SMO lub luj tshib tuaj yeem tsim tau yooj yim thiab welded, tso cai rau kev yooj yim thiab yooj yim ntawm kev teeb tsa hauv cov kav dej. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov txheej txheem vuam kom raug thiab siv cov ntaub ntawv muab tub lim kom tsim nyog los tswj cov khoom tiv thaiv corrosion ntawm cov hlau.

 

Qhov ntev ntawm SMO UNS S31254 Luj Tshib

 

Nominal
Yeeb

Loj

Sab nraum
Txoj kab uas hla

90℃luj tshib

45℃luj tshib

(inch)

 

Ntev Radius

Luv Radius

Ntev Radius

 

(mm)

(inch)

Center rau ntsej muag
(inch)

Center rau ntsej muag
(inch)

Center rau ntsej muag
(inch)

Radius
(inch)

1/2

21.3

0.840

1 1/2

5/8

 

3/4

26.7

1.050

1 1/8

7/16

 

1

33.4

1.315

1 1/2

1

7/8

 

1 1/4

42.2

1.660

1 7/8

1 1/4

1

 

1 1/2

48.3

1.900

2 1/4

1 1/2

1 1/8

3

2

60.3

2.375

3

2

1 3/8

4

2 1/2

73.0

2.875

3 3/4

2 1/2

1 3/4

5

3

88.9

3.500

4 1/2

3

2

6

3 1/2

101.6

4.000

5 1/4

3 1/2

2 1/4

7

4

114.3

4.500

6

4

2 1/2

8

5

141.3

5.563

7 1/2

5

3 1/8

10

6

168.3

6.625

9

6

3 3/4

12

8

219.1

8.625

12

8

5

12

10

273.1

10.750

15

10

6 1/4

15

12

323.9

12.750

18

12

7 1/2

18

 

ASTM A403 F44 Lub luj tshib

 

254 SMO luj tshib yog ib hom yeeb nkab haum ua los ntawm 254 SMO stainless hlau, uas muaj corrosion kuj zoo heev, kub tsis kam thiab mechanical zog. Nws yog dav siv nyob rau hauv cov nram qab no teb:

 

Petroleum thiab petrochemical kev lag luam: 254 SMO luj tshib yog siv nyob rau hauv cov khoom siv petrochemical xws li tshuab raj. Nws tuaj yeem tiv thaiv corrosion ntawm ntau yam tshuaj lom neeg hauv kev tsim cov roj av thiab petrochemical, ua kom muaj kev nyab xeeb thiab ruaj khov ntawm cov khoom siv.

Kev lag luam ntawv: Hauv cov khoom siv hauv cov ntaub ntawv thiab cov ntawv bleaching, xws li pulp digesters, bleaching equipment, thiab cov vats thiab rollers ntawm lim washers . 254 SMO luj tshib tuaj yeem tiv taus cov khoom siv corrosive xws li tshuaj chlorine - uas muaj cov tshuaj thiab cov kua qaub hauv daim ntawv - ua cov txheej txheem, txhim kho cov kev pab cuam lub neej.

 

Kev lag luam tsim hluav taws xob: Hauv lub tshuab hluav taws xob flue desulfurization ntawm cov chaw tsim hluav taws xob, 254 SMO lub luj tshib feem ntau yog siv rau hauv ntauwd lub cev, flue, damper qhov rooj, qhov chaw sab hauv, thiab cov tshuaj tsuag ntawm cov neeg siv ntauwd. Nws tuaj yeem tiv taus qhov corrosion ntawm sulfur - uas muaj cov pa roj thiab cov kua qaub - hauv paus xov xwm, kom ntseeg tau tias kev ua haujlwm ntawm cov khoom siv desulfurization.

 

Kev lag luam hauv hiav txwv thiab dej hiav txwv: Nws yog siv rau hauv nyias - cov kav dej condenser txias los ntawm cov dej hiav txwv hauv cov chaw tsim hluav taws xob, cov khoom siv kho dej hiav txwv desalination, thiab lwm yam. Txawm nyob hauv cov khoom siv uas dej hiav txwv tsis tuaj yeem ntws, 254 SMO luj tshib kuj tuaj yeem siv tau. Nws muaj corrosion kuj zoo heev nyob rau hauv seawater ib puag ncig, uas tuaj yeem zam qhov corrosion thiab to ntawm cov kav dej thiab cov khoom siv.

 

Kev lag luam Desalination: Nws yog siv rau hauv ntsev - ua los yog desalination khoom. 254 SMO luj tshib tuaj yeem tiv taus qhov corrosion ntawm siab - ntsev thiab siab - chloride ion media, ua kom ruaj khov ntawm cov khoom siv desalination.

 

Thaum tshav kub kub exchanger: Nws yog tshwj xeeb tshaj yog haum rau tshav kub exchangers nyob rau hauv chloride - ion chaw ua hauj lwm ib puag ncig. 254 SMO luj tshib tuaj yeem tiv thaiv corrosion ntawm chloride ions, txhim kho cov cua kub hloov efficiency thiab kev pab cuam lub neej ntawm tshav kub exchangers.

 

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