Ukwethulwa kwe-super duplex stainless steel welding consumables ye-FPSO yamathangi okugcina okukhiqiza antantayo

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I-Offshore Floating Storage Vessel (FPSO) iyisikhungo sikawoyela esingasogwini esihlanganisa ukugcinwa, ukuhlukaniswa kanye nokuthuthwa kwemikhiqizo kawoyela ongahluziwe.Uwoyela ongahluziwe okhiqizwa emithonjeni engaphansi kolwandle utholwa ngamapayipi angaphansi kolwandle, ucutshungulwe ebhodini futhi ugcinwe emathangeni ezimpahla, lapho ekugcineni uthuthwa uyiswe ezinqoleni ezithutha amathangi ngohlelo lokuthulula.

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Insimbi engagqwali eyi-Super duplex inokuqukethwe okuphezulu kwe-molybdenum, ethuthukisa kakhulu ukumelana nokugqwala kwensimbi engagqwali, efaneleka kakhulu ukusetshenziswa isikhathi eside ezindaweni ezinokuqukethwe kwe-ion ye-chloride ephezulu, njengamanzi olwandle, futhi isetshenziswa kabanzi kuma-valve okuphepha, amapayipi. , imibhoshongo ye-desulfurization nezinye izingxenye kumamojula we-FPSO.

Amakhasimende anjalo ngokuvamile anezidingo ezilandelayo zezakhiwo zensimbi zokubeka izinto ezisetshenziswayo zokushisela zensimbi engagqwali eyi-duplex (isisekelo sensimbi ehambisana ne-UNS S32750/S32760, njll.):

Amandla okuqina (Mpa)

Ubude be-tensile

(%)

I-Ferrite

(Hlola)

Ukugqwala komgodi

(40℃*24h)

I-ASTM G48A

Ukuqina

I-HV10

inkomba ye-pitting

I-PREN

≥750

≥20

35-65%

≤4g/m2

≤330

≥40

Ngezimpawu zokushisela kanye nezidingo zobuchwepheshe ezihlobene ze-super duplex insimbi engagqwali, inkampani yethu inezinto ezisetshenziswayo zokushisela ezihambisanayo ukuze zifane, ezichazwe kanje:

Ukufanisa izinto ezisetshenziswayo zokushisela

Isigaba sezintambo zokushisela

I-SS Argon arc welding wire

Induku yokushisela yesandla ye-SS

I-SS flux cored welding wire

Intambo yokushisela ye-arc engaphansi emanzini ye-SS

igama lomkhiqizo

I-GTS-2594

GES-2594

I-GFS-2594

GWS-2594

I-GXS-330

izinga lokuqalisa

I-AWS A5.9/5.9M-2017 ER2594

AWS A5.4/5.4M-2012 ER2594-16

AWS A5.22/5.22M-2012 ER2594T1-1

I-AWS A5.9/5.9M-2017 ER2594

Ukwakheka okujwayelekile

igama lomkhiqizo

I-GTS-2594

GES-2594

I-GFS-2594

GWS-2594

Ingxubevange wt%

C

0.012

0.017

0.022

0.017

Mn

0.62

1.05

0.76

0.42

Si

0.45

0.40

0.49

0.64

Ni

8.46

8.49

8.36

8.48

Cr

25.02

25.69

24.2

24.88

Mo

3.86

3.96

3.65

3.85

P

0.022

0.019

0.016

0.023

S

0.001

0.005

0.003

0.001

W

0.02

0.01

0.01

0.04

N

0.24

0.22

0.27

0.24

I-PREN*

41.6

42.2

40.5

41.4

Phawula

Insimbi yokugcwalisa

I-deposition metal

Insimbi yokugcwalisa

I-deposition metal

Izakhiwo ezijwayelekile zemishini

igama lomkhiqizo

I-GTS-2594

GES-2594

I-GFS-2594

GWS-2594

I-GXS-330

Amandla okuqina (Mpa)

853

920

881

889

Ubude be-tensile

(%)

31

26

25

26

Amandla okumuncwa okunomthelela (J/℃)

240/-46

51/-46

50/-40

56/-46

I-Ferrite

(Hlola)

49%

43%

36%

40%

Ukuqina

I-HV10

280

295

289

292

umgodi

I-PREN

2.5g/m3

2.8g/m3

2.9g/m3

2.7g/m3

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Olunye ulwazi thintana +86 13252436578


Isikhathi sokuthumela: Nov-15-2022