904L super austenitic stainless hlau pom nws keeb kwm los ntawm lub tuam txhab Fabkis lub npe H·S. Nws yog ib qho acid resistant stainless hlau uas muaj cov pa roj carbon tsawg, thiab high-nickel & molybdenum. Hom 904L nta zoo ua kom-passivation hloov dua siab tshiab muaj peev xwm, zoo heev corrosion kuj, uas yog tshwj xeeb tshaj yog pronounced nyob rau hauv non-oxidizing acids xws li sulfuric acid, acetic acid, formic acid, thiab phosphoric acid. Nws pitting kuj zoo heev thaum siv rau nruab nrab chloride-muaj xov xwm. Qib 904L tsis yog tsuas yog resistant rau crevice corrosion thiab kev nyuaj siab corrosion, haum rau sulfuric acid ntawm ntau yam concentrations hauv qab no 70 degree, nws kuj yog resistant rau corrosion nyob rau hauv acetic acid, sib tov ntawm formic acid thiab acetic acid ntawm tej concentration thiab nyob rau hauv tej qhov kub thiab txias nyob rau hauv ib txwm muaj. siab. 904L yog cov qauv austenitic kiag li, tsis hnov tsw rau nag lossis daus ntawm ferrite thiab theem, piv nrog cov hlau tsis muaj austenitic uas muaj cov ntsiab lus siab molybdenum.
Tshuaj muaj pes tsawg leeg
| Qib | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | Cu (%) |
| 904L | Tsawg dua lossis sib npaug rau 0.02 | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua lossis sib npaug rau 2.0 | Tsawg dua lossis sib npaug rau 0.045 | Tsawg dua lossis sib npaug rau 0.035 | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | 1.0-2. |
Cov cuab yeej cuab tam
| Qib | Tensile zog Mpa | Yield zog Mpa | tus nqi txo hauv cheeb tsam (%) | Qhov ntom (g / cm3) |
| 904L | Ntau dua lossis sib npaug li 490 | Ntau dua lossis sib npaug rau 216 | --- | 8 |
Daim ntawv thov
Petroleum, petrochemical khoom, xws li cov khoom siv petrochemical hauv reactor, thiab lwm yam.
Sulfuric acid cia thiab thauj khoom, xws li cov khoom siv hluav taws xob, thiab lwm yam.
fais fab nroj tsuag flue roj desulfurization ntaus ntawv, lub ntsiab siv ntawm qhov chaw yog: nqus ntauwd lub cev, flue, qhov rooj panels, sab hauv, tshuaj tsuag tshuab, thiab lwm yam ..
organic acid kho qhov system ntawm scrubber thiab kiv cua.
Cov khoom siv kho dej hiav txwv, dej hiav txwv dej kub sib txawv, cov khoom siv hauv kev lag luam ntawv, sulfuric acid, cov khoom siv nitric acid, acid ua, kev lag luam tshuaj thiab lwm yam khoom siv tshuaj, cov hlab ntsha siab, khoom noj khoom haus.
Pharmaceutical Plants: centrifuges, reactors, thiab lwm yam.
cog zaub mov: cov kaus poom kua ntses, ua cawv txiv hmab, ntsev, thiab cov khoom siv hnav khaub ncaws. Nyob rau hauv dilute sulfuric acid, muaj zog corrosive nruab nrab yog 904L steel.
Mechanical propertiesThe Different Standards
| Qib | GB | ASTM | DIN | JIS |
| 904L | 20Cr-24Ni-4.3Mo-1.5Cu | 904L | 1.4539 | SUS 890 L |
Ntau tshaj 904L
Vim tias 904L yog cov ntsiab lus carbon tsawg (qhov siab tshaj 0.020 feem pua), yog li nyob rau hauv rooj plaub ntawm kev kho cua sov thiab vuam, yuav tsis muaj carbide nag lossis daus, qhov no tshem tawm txoj kev pheej hmoo ntawm kev kho cua sov thiab vuam hauv intergranular corrosion.
Vim muaj cov ntsiab lus siab ntawm chromium, npib tsib xee thiab molybdenum, thiab qhov sib ntxiv ntawm tooj liab, 904L kuj tseem tuaj yeem raug passivated txawm nyob rau hauv ib puag ncig txo, xws li sulfuric acid thiab formic acid.
Cim npe nrov: 904l super austenitic stainless hlau, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, yuav, nqe, pricelist, kev muag, Tshuag, dawb qauv
