mwwXaiv lus
Oct 30, 2025 Tso lus

ASTM A333 Qib 6 Yeeb Nkab

Engineering Txheej txheem cej luam

 

ASTM A333 qib 6 suav nrog cov seamless thiab welded steel kav siv tau siv nyob rau hauv qis kub qis rau -50℃f (-46 degree).

Cov hlau tsim tawm los khaws kev nruj me ntsis hauv kev xav tau cov khoom siv siab zoo nkauj xws li LNCTICS cov nroj tsuag, thiab arctic pipeline intrastrastructures.

Cov yam ntxwv kev ua tau zoo:

  • Nthuav tawm tsis kam nyob rau hauv thermal envaction
  • Lub zog ruaj khov thaum pib txias pib
  • Txhim khu kev qha weldability rau teb teeb tsa
  • Raws li qhov qis - kub asme Siab Systems

 

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Tshuaj Muaj Tshuaj

 

 

Lub ntsiab

Qhov yuav tsum tau (wt%)

Engineering Muaj nuj nqi

Carbon (c)

Tsawg dua los yog sib npaug rau 0.30

Lub Zog VS Villa tshuav

Manganese (mn)

0.29 – 1.06

Txhim kho cov tawv thiab cov qauv kev ntseeg

Phosphorus (p)

Tsawg dua los yog sib npaug rau 0.025

Txwv kev txwv brittle lov

Sulphur (s)

Tsawg dua los yog sib npaug rau 0.025

Txhim Kho Weld Suab

Silicon (si)

0.10 – 0.35

Deoxidation & Txheej Txheem Ruaj Ntseg

Tsawg sulfur & phosphorus txhim kho cov ntsiab lus nruj heev ntawm cov kub tsawg.

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Cov Khoom Siv Neeg Kho Tshuab

 

 

Ntiag tug

Qhov toob kas

Cryogenic Kev Ua Tau Zoo

Lub zog tensile

Ntau dua los yog sib npaug rau 415 MPa (60 ksi)

Siab yam muaj kev nyab xeeb txog kev nyab xeeb

Paib lub zog

Ntau dua los yog sib npaug rau 240 MPa (35 ksi)

Kev tswjfwm deformation thiab kev ntseeg tau

Elongation

Ntau dua los yog sib npaug rau 30%

Muaj kuab muaj kuab nyob rau hauv kev cuam tshuam kev tsav tsheb lossis dabtsi yog khoov

Cuam Tshuam

-50 Qib F (-46 Qib), Yuav Tsum Tau

Tiv thaiv brittle bacture propagation

Charpy V - Tsis txhob kuaj xyuas kom ua kom muaj kev kub ntxhov rau LNG thiab Arctic kev pabcuam.

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Kev Tsim Kho & Kev Kho Kub

 

ASTM A333 Qib 6 kav dej yog tsim los ntawm cov kav dej tsis txaus ntseeg lossis cov txheej txheem welded, tab sis nyob rau hauv ob qho tib si txheej txheem teeb tsa qis- kub yuav tsum muaj. Ntau lawm tau pib nrog huv si, nplua {{}}}}}}}}}}}}}}}}}} cov khoom siv tau nqus kev cuam tshuam ntawm subzero kub. Kev tsim thiab sizing yog tswj kom yog qhov tseeb od, phab ntsa thiab ncaj, uas yog qhov tseem ceeb thaum kab ua ntej thiab teb} welded. Sab hauv nto zoo kuj tseem raug saib xyuas kom muaj cov yam ntxwv zoo rau cov roj, roj lossis cov xov xwm hluav taws xob.

Tom qab kev sib sau, cov kav dej tau muab tso rau hauv kev tswj hluav taws kub - kev kho mob. Cov kauj ruam no tsis yog daws kev ntxhov siab- Nws yog qhov tseem ceeb npaum li cas los xij. Kev ua kom zoo los yog tempering ua kom rov qab lub noob nplej, txhim kho MAPSS TAIS, thiab muab cov yeeb nkab zoo dua kom cuam tshuam sai sai lossis kev hloov siab siab nyob rau hauv cov kev pabcuam txias.

 

Cov Yeeb Nkab Hluav Taws Xob thiab Cov Kev Xaiv

 

 

Chaw ua uas tsis tau haus

Cov Khoom Nquag Yog

Sab nraud ntawm lub taub

1/2 "- 48" (21.3 - 1219 hli)

Phab Ntsa Thickness

Sch 20 - sch xxs lossis kev cai

Qho ntev

Srl / dl / txiav - rau - ntev

Project - Cov kev ua tau zoo thiab NDE cov kev xav tau tuaj yeem suav nrog cov ntawv thov tseem ceeb.

 

Vuam thiab Fabrication rau Cryogenic Pipeline Kev Ncaj Ncees

 

ASTM A333 Qib 6 muaj kev vam meej Weldability rau cov kev sib txoos thiab kev tsim kho.

Txawm li cas los xij, kub -} Cov khoom siv cuam tshuam rau kev khaws cia kom ntseeg tau tias tsawg- kub ua tau zoo:

  • Vuam cov txheej txheem sib xyawnrog smaw, gtaw, thiab gmaw rau ob lub khw thiab pob qij txha
  • Tsim Nyog WPS / PIQRyuav tsum tau lees tias muaj kev cuam tshuam nyuaj tom qab vuam hauv cryogenic lub luag haujlwm
  • Nruj me ntsis kev txhawb nqaTxhawm rau tiv thaiv cov nplej coarsening thiab poob ntawm noch nyuaj nyob rau hauv lub haz
  • Pwht raws li kev pab cuamthiab cov cai tsim qauv tsim los txhim kho Weld sib koom ua ke
  • Weld Seam Seam Tshuaj Tiv Thaiv (ut / RT)Pom zoo rau LNG thiab Arctic cov ntawv thov nrog lub txiaj ntsig zoo ntawm kev ua tsis tiav

Tsim nyog voog txheej txheem txheej txheem kev ua kom ntseeg tau tias kev teeb tsa cov raj xa hluav taws xob tswj hwm fracture thiab xau {} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm} nrawm nrawm dua mus ncig.

 

Kev Soj Ntsuam & Kev Ntsuam Xyuas

 

 

Ntsuas Yam

Lub hom phiaj

Hydrostatic / NDE

Kev Tiv Thaiv Kev Tiv Thaiv

Charpy cuam tshuam Kev Ntsuas

Subzero Tougness Qhov Ncaim

Tensile Xeem

Txoj kev ua tiav

Flattening / dabtsi yog khoov

Kev Ntsuam Xyuas Formaby

Kev ntsuas hardness

Txias -} ciaj ua tsis kam

Npav & MTC Traceability

QA Kev Ua Haujlwm thiab Code Ua Raws

 

Kev ntsuam xyuas ntxiv (PMI / ut 100% / th thib peb- kev tim khawv tog) muaj rau cov koog tseem ceeb.

 

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Cov Ntawv Thov

 

  • Lng Regasification thiab liquefaction nroj tsuag
  • Cryogenic thiab Tub Yees Pipelines
  • Arctic Roj & Kev Hloov Roj
  • Tsawg - kub siab cov hlab ntsha & modules
  • Offshore thiab onshore txias - huab cua kev nyab xeeb
  • Tsim kom tsis txhob muaj kev pheej hmoo nyob rau hauv qhov kub nyhav thaum kub.

 

Lub ntsiab

 

Octal yeeb nkab txhawb nqa cryogenic pipeline kev ua tau zoo nrog tsim nyog xeem cov ntaub ntawv, muaj ntawv pov thawj kev cuam tshuam cov ntaub ntawv, muaj ntawv pov thawj kev cuam tshuam rau cov ntaub ntawv ntawm zeb los txhim kho.

Ua raws li -} tsom, customized kev tshuaj xyuas, thiab txhim kho cov pa tawm tsam rau Lng thiab qis {}} kub service.

 

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