P275NL2 Siab Vessel Phaj
cov khoom siv thev naus laus zis
P275NL2 Siab Vessel Phaj Qhia ntxaws qhia
P275NL2 steel phaj yog ib qho kev ua tau zoo nyob sab Europe tus qauv hlau, belongs rau cov hlau tsis-alloyed, coj tus lej yog 1.1104. Cov hlau phaj tau nyiam ntau xim rau nws lub zog siab, zoo heev corrosion kuj, ua haujlwm zoo thiab ntau yam kev siv. P275NL2 steel phaj yog dav siv hauv roj av, tshuaj, hluav taws xob, kev tsim kho, nkoj tsim, aerospace thiab lwm yam kev lag luam, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov hlab ntsha siab tau ua lub luag haujlwm tseem ceeb.
P275NL2 steel yog dav siv hauv cov teb hauv qab no
1. Petrochemical: P275NL2 steel phaj Hauv kev lag luam petrochemical, cov hlab ntsha siab yog ib qho ntawm cov khoom siv tseem ceeb. Vim tias nws cov khoom siv zoo heev thiab kev tiv thaiv corrosion, P275NL2 steel phaj tau dav siv nyob rau hauv lub reactor, cia tank thiab lwm yam khoom siv nyob rau hauv cov txheej txheem ntawm kev siv roj thiab tshuaj ntau lawm.
2. Kev lag luam fais fab: P275NL2 steel phaj Hauv kev lag luam fais fab, cov hlab ntsha siab kuj yog ib qho ntawm cov khoom siv tseem ceeb. P275NL2 steel daim hlau tuaj yeem siv los tsim cov khoom siv xws li cov tshuab hluav taws xob thiab cov boilers, nrog rau cov khoom siv tseem ceeb xws li lub tshuab hluav taws xob reactor rau lub tshuab hluav taws xob nuclear.
3. Kev tsim kho kev lag luam: P275NL2 steel phaj kuj tuaj yeem siv rau hauv kev tsim cov khoom siv hauv tsev, xws li Choj, cov tsev siab, thiab lwm yam. Nws lub zog siab thiab zoo heev corrosion kuj ua rau lub tsev muaj zog thiab ruaj khov.
P275NL2 steel phaj kev ua tau zoo
1. Lub zog siab: P275NL2 steel phaj muaj lub zog tensile siab thiab lub zog tawm los, thiab tuaj yeem tiv taus siab dua thiab khoov kev ntxhov siab. Nws cov yield zog σ0.2(MPa) ntau dua los yog sib npaug rau 275MPa thiab tensile zog δb(MPa) yog Ntau tshaj los yog sib npaug rau 410-580MPa, uas ua rau nws zoo heev nyob rau hauv cov hlab ntsha siab, cia tank thiab lwm yam khoom siv.
2. Zoo heev corrosion kuj: P275NL2 steel phaj tom qab tshwj xeeb los tiv thaiv corrosion, muaj zoo corrosion kuj. Nws tuaj yeem hloov mus rau ntau qhov chaw corrosive, suav nrog acidic, alkaline, ntsev thiab lwm yam xov xwm, kom ntseeg tau tias cov khoom siv ruaj khov nyob rau hauv lub sijhawm ntev.
3. Kev ua haujlwm zoo: P275NL2 steel phaj muaj qhov zoo weldability, txiav thiab khoov. Nws tuaj yeem nqa tawm vuam, txiav, khoov thiab lwm yam kev ua haujlwm, thiab qhov zoo tom qab kev ua haujlwm yog qhov zoo, kom ua tau raws li cov kev xav tau ntawm ntau yam txheej txheem.
4. Kev ua tau zoo ntawm qhov kub thiab txias: P275NL2 steel phaj yog qhov tshwj xeeb tsis tshua muaj kub zoo hlau, uas tuaj yeem tswj kev ua haujlwm ruaj khov hauv qhov kub thiab txias. Qhov no ua rau nws zoo heev hauv kev tsim cov hlab ntsha hauv qhov kub thiab txias.
