SPA-C weathering steel phajyog alloyed nrog 2-8% molybdenum, ua rau nws piv rau chromium-nickel alloy weathering steel, thaum muab kev ua tau zoo tag nrho.
Hauv ntau daim ntawv thov, SPA-C yog suav tias yog ib qho kev hloov kho dua tshiab rau cov tsoos Cr-Ni weathering daim hlau, tshwj xeeb tshaj yog nyob rau hauv uas tsis yog - oxidizing acids thiab siab -kub organic acid ib puag ncig.
Nws cov corrosion kuj nyob rau hauv chloride-nplua nuj tej yam kev mob yog deb tshaj ntawm cov pa chromium-nickel alloy weathering steel, thiab nws kuj muab kev tiv thaiv zoo heev pitting corrosion.
SPA-C weathering steel phaj muab qhov sib npaug ntawm kev tiv thaiv corrosion, tiv thaiv tshav kub, qis- kub lub zog, thiab txhua yam ruaj khov.
Nws yog qhov tsim nyog rau kev siv ntau yam, los ntawm cov cuab yeej siv hauv tsev mus rau hnyav - cov ntawv thov kev lag luam. Nyob rau hauv huab cua raug thiab chemically aggressive ib puag ncig, SPA-C steel tuav muaj zog corrosion kuj thiab tau txais txiaj ntsig los ntawm kev ua haujlwm zoo- hardening zog.
Nws yog dav siv nyob rau hauv cov khoom siv tshuaj, cov chaw hauv hiav txwv, thiab dej hiav txwv- hais txog kev siv.
Vim nws txoj kev ua tau zoo thiab ua haujlwm ntev, SPA-C weathering steel phaj tau dhau los ua neeg nyiam hauv kev ua lag luam thoob ntiaj teb. Yog xav paub ntxiv lossis hais lus, thov hu rau peb ncaj qha.
09CrCuSb steel yog dab tsi?
09CrCuSb, tseem hu ua ND steel, yog ib qho qis - alloy corrosion- cov hlau tsis muaj zog tshwj xeeb uas tsim los siv rau hauv cov kua qaub dew point corrosion ib puag ncig. Nws muaj cov ntsiab lus alloying xws li chromium (Cr), tooj liab (Cu), thiab antimony (Sb), uas ua rau nws muaj zog tiv thaiv sulfuric acid thiab flue gas corrosion.
Vim li cas 09CrCuSb hu ua ND steel?
"ND" sawv rauNitric acid thiab Dew -point corrosion kuj. Cov hlau tau tsim los tiv thaiv qis -kub acid condensation corrosion feem ntau pom nyob rau hauv boilers, heat exchangers, thiab flue gas systems.
Puas yog 09CrCuSb steel muaj qhov zoo weldability?
Yog lawm. 09CrCuSb steel muaj qhov zoo weldability. Cov txheej txheem vuam txheej txheem xws li SMAW, SAW, thiab TIG tuaj yeem siv tau, tab sis qis - hydrogen electrodes thiab preheating kom zoo yuav raug pom zoo rau cov ntu tuab.
Puas yog 09CrCuSb haum rau siab -kev pabcuam kub?
09CrCuSb yog tsim los rau nruab nrab - qhov kub thiab txias qhov chaw uas acid dew point corrosion tshwm sim. Nws tsis yog npaj rau siab heev - qhov kub siab ntawm lub nkoj siv yam tsis muaj kev ntsuam xyuas zoo.
