Hauv kev tshwj xeeb - lub hom phiaj steel kav, 09CrCuSb steel yeeb nkab (ND steel yeeb nkab) sawv tawm raws li qhov siab -kev ua tau zoo thiab tus nqi- muaj txiaj ntsig zoo rau cov kev pabcuam corrosive.
Ua tsaug rau nws qhov zoo tshaj plaws alloy muaj pes tsawg leeg thiab zoo heev sulfuric acid dew-point corrosion kuj, qib steel no yog dav siv nyob rau hauv ntau yam hnyav industries.
Cov lus qhia no muab cov ncauj lus kom ntxaws txog cov khoom sib xyaw, cov khoom siv, cov ntawv thov, qhov zoo, thiab cov kev xav tseem ceeb ntawm 09CrCuSb steel yeeb nkab los pab koj xaiv cov khoom siv paub zoo.
Kev sib xyaw thiab cov khoom
09CrCuSb steel yeeb nkab feem ntau yog muab los ntawm seamless steel yeeb nkab tsim los ntawm qib qis- alloy, acid- resistant steel qib. Lub npe "09CrCuSb" qhia txog nws cov tshuaj muaj pes tsawg leeg:
09: Cov ntsiab lus carbon tsawg dua lossis sib npaug rau 0.09-0.10%
Cr (Chromium): Txhim kho matrix corrosion kuj
Cu (Copper): Txhawb kev tsim cov yeeb yaj kiab ruaj khov tiv thaiv passivation
Sb (Antimony): Inhibits localized corrosion thiab txhim khu sulfuric acid kuj
Qhov no ua tib zoo balanced alloy system muab cov hlau nrog:
Siab tensile zog
Zoo toughness thiab ductility
Kev tiv thaiv zoo rau sulfuric acid dew-point corrosion
Zoo tiv thaiv chloride ion corrosion piv nrog carbon steel
Cov txheej txheem tsim seamless ua kom cov qauv zoo ib yam thiab du sab hauv, txo cov dej tsis kam, siab poob, thiab kev pheej hmoo ntawm kev xau nyob rau hauv siab - kev pabcuam siab.
Daim ntawv thov
Vim nws cov khoom zoo heev thiab kev tiv thaiv corrosion, 09CrCuSb steel yeeb nkab yog dav siv hauv kev lag luam uas raug rau siab - cov roj sulfur flue thiab acidic condensate, suav nrog:
Kev tsim hluav taws xob (boiler economizers, cua preheaters, evaporators)
Petroleum refining
Kev ua tshuaj lom neeg
Boiler thiab siab cov cuab yeej tsim khoom
Thaum tshav kub kub exchangers thiab flue gas tuav systems
Nws muaj peev xwm tiv taus qhov kub thiab txias, kub siab, thiab corrosive sulfur -ib puag ncig ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev ua haujlwm ntev - nyob rau hauv kev xav tau kev ua haujlwm.
Qhov zoo ntawm 09CrCuSb Steel Pipe
Siv 09CrCuSb steel yeeb nkab muaj ntau yam txiaj ntsig tseem ceeb:
Zoo heev Sulfuric Acid Dew-Point Corrosion Resistance
A dense passivation layer rich in Cu, Cr, and Sb forms on the steel surface, significantly reducing corrosion rates.
Siab zog thiab toughness
Muaj peev xwm ua haujlwm nyab xeeb hauv siab -siab thiab siab -kub tshuab.
Superior Durability thiab Long Service Life
Corrosion resistance deb tshaj li cov pa roj carbon zoo tib yam thiab, nyob rau hauv sulfuric acid dew- taw tes ib puag ncig, txawm outperforms ib co stainless hlau.
Seamless Structure rau kev ntseeg siab
Tshem tawm cov ntsiab lus tsis muaj zog thiab txhim kho tag nrho cov qauv kev ncaj ncees.
Txhim kho Flow Efficiency
Smooth inner nto txo kev sib txhuam thiab lub zog poob hauv cov dej thauj.
Chemical Composition (Tswj)
| Qib | C | Si | Mn | Cr | Cu | Sb | P | S |
|---|---|---|---|---|---|---|---|---|
| 09cr swb | Tsawg dua lossis sib npaug li 0.10 | 0.20–0.40 | 0.35–0.65 | 0.70–1.20 | 0.25–0.45 | Tsawg dua lossis sib npaug li 0.10 | Tsawg dua lossis sib npaug li 0.10 | Tsawg dua lossis sib npaug li 0.10 |
Mechanical Properties
| Qib | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) |
|---|---|---|---|
| 09cr swb | 390–550 | Ntau dua lossis sib npaug li 245 | Ntau dua lossis sib npaug li 25 |
Chemical Composition ib GB 150.2-2011
| C | Si | Mn | P | S | Cr | Cu | Sb |
|---|---|---|---|---|---|---|---|
| Tsawg dua lossis sib npaug li 0.12 | 0.20–0.40 | 0.35–0.65 | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.020 | 0.70–1.10 | 0.25–0.45 | 0.04–0.10 |
Corrosion Resistance Performance
Nyob rau hauv nruab nrab-kub, nruab nrab-concentration sulfuric acid ib puag ncig, ND steel undergoes tswj deg dissolution, tsim ib tug ruaj khov passivation zaj duab xis enriched nrog Cu, Cr, thiab Sb. Cov yeeb yaj kiab no muab kev tiv thaiv tshwj xeeb tiv thaiv sulfuric acid corrosion.
Corrosion Rate Sib piv
(70℃- 50% H₂SO₄ Solution)
| Qib Steel | Corrosion Rate | Kwv tij ntau |
|---|---|---|
| 09CrCuSb (ND steel) | 7.30 | 1.00 |
| CRIR (Nyiv) | 13.40 | 1.84 |
| 1c18n 9 | 21.70 | 2.97 |
| Corten Steel | 63.00 | 8.63 |
| STEN (Nyiv) | 27.40 | 3.75 |
| A3 (Q235B) | 103.50 | 14.11 |
Kev xav rau kev siv
Thaum 09CrCuSb steel yeeb nkab muaj kev ua tau zoo, ntau yam yuav tsum tau xav txog:
Kev Tsim Nyog Muaj Peev Xwm: Tau los ntawm cov tuam txhab muaj npe nrov nrog cov ntawv pov thawj zoo xws li ISO 9001.
Kev Sib Tham Engineering: Paub meej cov khoom tsim nyog, cov yeeb nkab loj, thiab phab ntsa tuab nrog cov kws tshaj lij engineers.
Kev Txhim Kho Zoo: Ua raws li cov txheej txheem vuam txheej txheem thiab cov khoom siv -cov lus qhia sib xws.
Kev saib xyuas: Kev tshuaj xyuas tsis tu ncua pab tshawb pom cov cim qhia ntxov ntawm thinning lossis localized corrosion, kom ntseeg tau ntev -lub sij hawm.
09CrCuSb steel yeeb nkab (ND steel yeeb nkab) yog cov pov thawj, siab - cov khoom ua tau zoo rau kev lag luam uas xav tau lub zog siab, zoo heev toughness, thiab superior tsis kam rau sulfuric acid dew{2}} taw tes corrosion.
Nws cov khoom sib npaug sib npaug, cov qauv seamless, thiab lub neej zoo heev - tus nqi voj voog ua rau nws yog qhov zoo tshaj plaws rau lwm cov pa roj carbon steel thiab txawm tias qee cov hlau tsis muaj leej faj- muaj ib puag ncig.
Los ntawm kev xaiv cov neeg muab khoom tsim nyog, siv cov kev teeb tsa kom raug, thiab siv cov tswv yim kho kom zoo, 09CrCuSb steel yeeb nkab tuaj yeem xa cov khoom muaj kev nyab xeeb, ruaj khov, thiab kev lag luam thoob plaws hauv nws lub neej kev pabcuam.
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.
