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

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.

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.

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.

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.





