TS EN 10028-2 P355GH steel phajyog dav lees paub tias yog cov khoom siv txhim khu kev qha rau siab - kub thiab siab - kev siv siab. Tsim los rau cov hlab ntsha siab thiab cov boilers, P355GH steel muaj qhov zoo tshaj plaws weldability, ruaj khov txhua yam khoom, thiab tsis kam mus rau qhov xav tau kev pab cuam txog li 400 degree.
TS EN 10028-2 P355GH steel phaj
Raws li tus kws tshaj lij ntawm P355GH steel daim hlau, peb muab cov ntaub ntawv uas ua tau raws li cov qauv thoob ntiaj teb nruj thiab txhawb nqa ntau yam kev lag luam, suav nrog kev ua lag luam petrochemical, tsim hluav taws xob, thiab roj & roj.
Daim ntawv thov tseem ceeb ntawm P355GH Steel Phaj
Ua tsaug rau nws cov tshuaj muaj pes tsawg leeg thiab muaj zog txhua yam kev ua tau zoo, P355GH siab lub nkoj steel phaj yog dav siv hauv kev lag luam hauv qab no:
1. Boilers thiab Kub Exchangers
P355GH steel feem ntau yog siv rau hauv kev lag luam boilers rau fais fab nroj tsuag thiab chaw tsim khoom. Nws tuaj yeem tiv taus qhov kub thiab txias thiab qhov hloov pauv siab, ua kom ntev - lub sijhawm ua haujlwm nyab xeeb.
Hauv cov khoom siv hluav taws xob sib txawv, P355GH muab cov thermal stability zoo thiab txhawb nqa kev hloov hluav taws xob zoo raws li qhov xav tau. Nws zoo weldability kuj simplifies fabrication thiab installation.
2. Cov nkoj siab hauv kev lag luam Petrochemical
Hauv cov nroj tsuag petrochemical, P355GH steel phaj yog siv los tsim cov reactors, cia tso tsheb hlau luam, thiab cov hlab ntsha siab uas tswj cov roj av, roj av, thiab tshuaj lom neeg.
Nrog cov ntsiab lus tsis tshua muaj leej faj (tsawg dua lossis sib npaug li 0.015%) thiab xaiv HIC kuaj (NACE MR0175), P355GH ua tau zoo hauv cov kev pabcuam qaub, txo qhov kev pheej hmoo ntawm hydrogen-induced cracking thiab extending equipment life.
3. Piping Systems rau cov kua dej kub
P355GH steel yog dav siv nyob rau hauv cov kav dej thauj cov kua kub thiab roj hauv refineries thiab tshuaj nroj tsuag. Nws qhov sib npaug ntawm cov pa roj carbon tsawg (CEV Tsawg dua lossis sib npaug ntawm 0.45) ua kom muaj kev sib txuas zoo heev, uas yog qhov tseem ceeb rau kev tsim cov kav dej.
Qhov muaj ntawm cov phaj dav dav (thickness txog 300 mm) tso cai rau cov khoom siv tau yooj yim rau ntau yam kev xav tau ntawm cov kav dej.
4. Cov cuab yeej tsim hluav taws xob
Hauv cov chaw tsim hluav taws xob, P355GH boiler steel phaj yog siv rau cov khoom tseem ceeb xws li chav nruas, turbine vaj tse, thiab cov tshuab siab. Cov khoom siv tswj hwm nws cov khoom siv hluav taws xob nyob rau hauv thermal stress, ua kom muaj kev nyab xeeb thiab ruaj khov.
Qhov zoo ntawm Kev Siv P355GH Steel Phaj
Kev siv dav dav ntawm BS EN 10028-2 P355GH steel phaj feem ntau yog vim nws cov txiaj ntsig zoo:
- Zoo heev High -Kev Ua Haujlwm Kub
Khaws lub zog thiab ruaj khov ntawm qhov kub txog li 400 degree
- Txhim khu Weldability
Tsawg carbon sib npaug ua kom muaj txiaj ntsig zoo thiab txo cov vuam tsis xws luag
- HIC Resistance
Tsawg leej faj thiab tswj muaj pes tsawg leeg txhim kho kev tiv thaiv hydrogen-induced cracking
- Qhov Loj Loj
- Thickness: 6-300 hli
- Dav: mus txog 4050 mm
- Ntev: mus txog 15000 mm
- Stable Mechanical Properties
Yield zog mus txog 355 MPa thiab tensile zog ntawm 510-650 MPa
Daim ntawv thov thiab qhov zoo ntawm P355GH Steel Phaj
| Daim ntawv thov | Kev piav qhia | Qhov Zoo Tshaj Plaws |
|---|---|---|
| Boilers | Siv nyob rau hauv siab -kub chav tshuab | Thermal stability, durability |
| Lub nkoj siab | Reactors thiab cia tank | HIC tsis kam, lub zog |
| Cov kav dej | Kev thauj cov kua dej kub | Weldability, yooj |
| Thaum tshav kub kub Exchangers | Thaum tshav kub kub hloov khoom siv | Stability, formability |
| Fais fab nroj tsuag | Chav thiab siab tshuab | Kev ntseeg siab, kev nyab xeeb |
Hauv kev lag luam tsis ntev los no, P355GH steel daim hlau tau siv los tsim cov hlab ntsha reactor rau cov nroj tsuag petrochemical. Cov phaj, nrog thickness xws li 20 hli mus rau 100 hli, underwent HIC kuaj thiab ultrasonic soj ntsuam.
Cov txiaj ntsig tau pom tau zoo heev weldability thiab cov qauv kev ncaj ncees, ua rau txoj haujlwm ua tau raws li cov qauv kev nyab xeeb nruj thaum tswj xyuas kev ua haujlwm ntau lawm. Qhov no qhia txog kev ntseeg tau ntawm P355GH siab nkoj steel phaj hauv tiag -kev siv hauv ntiaj teb.
Vim li cas P355GH yog qhov Kev Xaiv Zoo Tshaj
Piv nrog rau cov qauv hlau dav dav, P355GH steel phaj yog tsim tshwj xeeb rau kev siv siab thiab kub. Nws optimized muaj pes tsawg leeg, ua ke nrog nruj kev tsim khoom thiab cov qauv kev sim, ua kom muaj kev ua tau zoo dua hauv qhov chaw tseem ceeb.
BS EN 10028-2 P355GH steel phaj yog ib qho kev daws teeb meem zoo tshaj plaws rau cov phiaj xwm kev lag luam uas xav tau lub zog siab, siab - kub ua haujlwm, thiab kev ntseeg tau ntev. Los ntawm boilers mus rau petrochemical reactors, nws cov kev ua tau zoo ua rau nws yog ib tug ntseeg khoom thoob ntiaj teb.
Raws li tus kws tshaj lij P355GH steel phaj tsum, peb muab qhov ntau thiab tsawg, kev tshuaj xyuas thib peb, thiab xa khoom sai. Tiv tauj peb hnub no kom tau txais cov ncauj lus qhia ntxaws thiab cov lus sib tw.
Hu rau tam sim no kom tau txais P355NH steels Quote
P355NH khoom yog dab tsi?
P355NH steel yog tus cwj pwm los ntawm kev sib txuas zoo thiab kev ua haujlwm siab kom tawg tawg.
Dab tsi yog qhov txawv ntawm p355 thiab S355 steel?
Mechanical Properties: P355GH: Muaj qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa thiab tau ua kom zoo rau siab - qhov kub thiab txias nyob rau hauv cov hlab ntsha siab, tab sis muaj qis toughness nyob rau hauv txias txias. S355J2: Kuj muaj lub zog tawm los ntawm 355 MPa tab sis tau ua kom zoo rau cov qauv siv uas xav tau kev cuam tshuam toughness.
Qhov txawv ntawm S355H thiab s355nh yog dab tsi?
Lub Hom Phiaj: Zoo ib yam li S355H, nws yog siv rau cov qauv hollow seem, tab sis "N" qhia tias cov hlau yog normalized los yog normalized dov, uas txhim kho nws cov toughness thiab weldability los ntawm refining lub grain qauv.
Qhov txawv ntawm P355GH thiab P355NH yog dab tsi?
P355GH steel yog siv thoob ntiaj teb los ntawm fabricators welded siab hlab ntsha, muaj boilers thiab kub exchangers thiab yog engineered ua hauj lwm zoo nyob rau hauv siab kub kev pab cuam. P355NH steel yog ib txwm weldable zoo grain steel flats raws li EN 10028-3: 2009 tus qauv.