Underground Gas Kab - X65 SSAW Steel Yeeb Nkab
Kauv submerged arc welded yeeb nkab yog ib qho tseem ceeb ntawm cov dej engineering engineering, petrochemical kev lag luam, tshuaj lom neeg kev lag luam, hluav taws xob kev lag luam, kev ua liaj ua teb irrigation, thiab kev tsim kho hauv nroog. Nws versatility thiab kev ntseeg tau ua rau nws yog ib qho ntawm nees nkaum cov khoom tseem ceeb tsim nyob rau hauv peb lub teb chaws, qhia nws qhov tseem ceeb thiab cuam tshuam rau ntau yam kev lag luam.
SSAW steel yeeb nkabyog kev cai tsim rau kev thauj cov kua thiab yog qhov tsim nyog rau kev siv dej thiab cov kav dej. Nws qhov kev tsim kho ruaj khov ua rau nws zoo tagnrho rau kev ua kom muaj txiaj ntsig zoo thiab txhim khu kev xa dej. Tsis tas li ntawd, nws tseem tsim nyog rau kev thauj mus los xws li roj av, roj av, thiab roj liquefied roj. Nws lub zog tensile siab thiab corrosion kuj ua kom muaj kev nyab xeeb thiab ua haujlwm tau zoo thiab ua tau raws li cov kev cai nruj ntawm cov khoom xa tuaj.
| Lub cev thiab tshuaj lom neeg ntawm cov yeeb nkab steel (GB / T3091-2008, GB / T9711-2011 thiab API Spec 5L) | ||||||||||||||
| Txuj | Qib Steel | Chemical Constituent (%) | Tensile Khoom | Charpy(V notch) Impact Test | ||||||||||
| c | Mn | p | s | Si | Lwm yam | Yield zog (Mpa) | Tensile zog (Mpa) | (L0 = 5.65 √ S0)min Stretch Rate (%) | ||||||
| max | max | max | max | max | min | max | min | max | D ≤ 168.33mm | D ＞ 168.3mm | ||||
| GB/T3091-2008 | qw 215a | ≤ 0.15 | 0.25—1.20 Nws | 0.045 ib | 0.050 Nws | 0.35 Nws | Ntxiv Nb\V\Ti raws li GB/T1591-94 | 215 | 335 | 15 | > 31 | |||
| q215 ib | ≤ 0.15 | 0.25-0.55 Nws | 0.045 ib | 0.045 ib | 0.035 ib | 215 | 335 | 15 | > 31 | |||||
| qw 235a | ≤ 0.22 | 0.30 — 0.65 Nws | 0.045 ib | 0.050 Nws | 0.035 ib | 235 | 375 | 15 | > 26 | |||||
| q235 ib | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 ib | 0.045 ib | 0.035 ib | 235 | 375 | 15 | > 26 | |||||
| qw 295a | 0.16 | 0.80-1.50 Nws | 0.045 ib | 0.045 ib | 0.55 ib | 295 | 390 | 13 | > 23 | |||||
| q295 ib | 0.16 | 0.80-1.50 Nws | 0.045 ib | 0.040 ib | 0.55 ib | 295 | 390 | 13 | > 23 | |||||
| qw 345a | 0.20 ib | 1.00-1.60 Nws | 0.045 ib | 0.045 ib | 0.55 ib | 345 | 510 | 13 | > 21 | |||||
| q345 ib | 0.20 ib | 1.00-1.60 Nws | 0.045 ib | 0.040 ib | 0.55 ib | 345 | 510 | 13 | > 21 | |||||
| GB/T9711-2011 (PSL1) | l175 ua | 0.21 ib | 0.60 ib | 0.030 Nws | 0.030 Nws | Kev xaiv ntxiv ib qho ntawm Nb\V\Ti cov ntsiab lus lossis ib qho kev sib xyaw ua ke ntawm lawv | 175 | 310 | 27 | Ib lossis ob ntawm qhov toughness Performance index ntawm qhov cuam tshuam lub zog thiab shearing cheeb tsam yuav raug xaiv. Rau L555, saib tus qauv. | ||||
| L210 | 0.22 | 0.90 ib | 0.030 Nws | 0.030 Nws | 210 | 335 | 25 | |||||||
| l245 ua | 0.26 | 1.20 | 0.030 Nws | 0.030 Nws | 245 | 415 | 21 | |||||||
| l290 ua | 0.26 | 1.30 Nws | 0.030 Nws | 0.030 Nws | 290 | 415 | 21 | |||||||
| l320 ua | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 320 | 435 | 20 | |||||||
| l360 ua | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 360 | 460 | 19 | |||||||
| l390 ua | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 390 | 390 | 18 | |||||||
| l415 ua | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 415 | 520 | 17 | |||||||
| l450 ua | 0.26 | 1.45 Nws | 0.030 Nws | 0.030 Nws | 450 | 5 35 | 17 | |||||||
| l485 ua | 0.26 | 1.65 ib | 0.030 Nws | 0.030 Nws | 485 ib | 570 ib | 16 | |||||||
| API 5L (PSL 1) | A25 | 0.21 ib | 0.60 ib | 0.030 Nws | 0.030 Nws | Rau qib B steel, Nb + V ≤ 0.03%; rau steel ≥ qib B, xaiv tau ntxiv Nb lossis V lossis lawv ua ke, thiab Nb + V + Ti ≤ 0.15% | 172 | 310 | (L0 = 50.8mm) yuav tsum xam raws li cov qauv hauv qab no: e=1944·A0 .2/U0 .0 A: Thaj tsam ntawm cov qauv hauv mm2 U: Tsawg kawg tensile zog hauv Mpa | Tsis muaj los yog ib qho los yog ob qho tib si ntawm qhov cuam tshuam lub zog thiab qhov chaw shearing yuav tsum tau ua raws li cov txheej txheem toughness. | ||||
| A | 0.22 | 0.90 ib | 0.030 Nws | 0.030 Nws | 207 | 331 | ||||||||
| B | 0.26 | 1.20 | 0.030 Nws | 0.030 Nws | 241 | 414 ib | ||||||||
| X42 | 0.26 | 1.30 Nws | 0.030 Nws | 0.030 Nws | 290 | 414 ib | ||||||||
| X46 | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 317 | 434 ib | ||||||||
| X52 | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 359 ib | 455 | ||||||||
| X56 | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | ib 386 | 490 ib | ||||||||
| X 60 | 0.26 | 1.40 Nws | 0.030 Nws | 0.030 Nws | 414 ib | 517 ib | ||||||||
| X 65 | 0.26 | 1.45 Nws | 0.030 Nws | 0.030 Nws | 448 ib | 531 ib | ||||||||
| X 70 | 0.26 | 1.65 ib | 0.030 Nws | 0.030 Nws | 483 ib | 565 ib | ||||||||
Ib qho ntawm cov ntawv thov tseem ceeb rau peb cov kauv submerged arc welded steel kav yogunderground gas kab. Nrog nws cov kev ua tau zoo tshaj plaws thiab kev ua tau zoo, nws yog thawj qhov kev xaiv rau kev tsim kev txhim khu kev qha thiab kev nyab xeeb kev thauj mus los ntawm cov roj av.
X65 SSAW kab yeeb nkabyog tsim los ntawm cov ntaub ntawv qib siab kom ntseeg tau tias muaj zog thiab ua haujlwm zoo. Qhov no ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau kev kub siab thiab tiv thaiv ib puag ncig yam. Nws qhov tsim nyog rau kev teeb tsa hauv av ntxiv qhia txog nws txoj kev tsim muaj zog thiab muaj peev xwm tiv taus cov xwm txheej nyuaj, ua rau nws txoj kev daws teeb meem rau cov dej xa hluav taws xob hauv av.
Raws li kev ntseeg siab thiab cov khoom pov thawj, peb cov kauv submerged arc welded steel kav yog dav siv thoob plaws hauv kev lag luam thiab kev tsim kho vaj tse vim lawv cov kev ua tau zoo, ua haujlwm ntev thiab kev ntseeg tau. Nws txoj kev tsim kho zoo ua rau nws yog thawj qhov kev xaiv rau cov kua dej thiab roj tsheb thauj mus los, tshwj xeeb tshaj yog nyob rau hauv cov roj av hauv av uas muaj kev nyab xeeb thiab kev ua tau zoo yog qhov tseem ceeb.
Hauv cov ntsiab lus, kauv submerged arc welded steel yeeb nkab yog cov khoom lag luam zoo tsim los ua kom tau raws li cov kev xav tau sib txawv ntawm cov kua dej thiab roj xa khoom. Vim nws muaj ntau yam thiab kev ntseeg tau, nws tau dhau los ua ib feem tseem ceeb hauv ntau yam kev lag luam thiab kev tsim kho vaj tse, tshwj xeeb tshaj yog cov roj av hauv av. Nws qhov tshwj xeeb zoo thiab kev ua tau zoo ua rau nws muaj txiaj ntsig zoo hauv kev ua kom muaj txiaj ntsig zoo thiab nyab xeeb kev thauj mus los. Cia siab rau kev ntseeg siab thiab kev ua tau zoo ntawm peb cov kauv submerged arc welded steel kav rau txhua yam koj xav tau kev thauj mus los ntawm cov dej thiab roj.
