AL-6XN (N08367,1.4501) poleiti ea tšepe bakeng sa ho romelloa kantle ho naha
1. Kereiti:
AL-6XN (N08367)
Tlhaloso ea lintho tse bonahalang: AL-6XN super austenitic tšepe e sa hloekang
Sehlopha sa Amerika: UNS N08367
Letšoao la Sechaena: 00Cr21Ni24Mo6N
2. Sebopeho sa Lik'hemik'hale:
| Standard | Kereiti | Tšebeliso ea Lik'hemik'hale (Max %) | |||||||||
| C | Mn | Ni | Si | P | S | Cr | Cu | Mo | N | ||
| A240 | AL6XN | ≤0.02 | ≤2.00 | 23.5-25.5 | ≤1.00 | ≤0.04 | ≤0.01 | 20.00-22.00 | ≤0.75 | 6.0-7.0 | 0.18-0.25 |
3. Thepa ea Mechini:
| Standard | Kereiti | Matla a tšepe | Kotulo Matla | Elongation |
| (MPa) | (MPa) | (%) | ||
| A240 | AL6XN | ≥650 | ≥295 | ≥35 |
| Ho chesa | AL6XN | ≥744 | ≥365 | ≥47 |
4. Tlhaloso:
AL-6XN ke 6 molybdenum e tloaelehileng (e phahameng molybdenum content 6.3%) super austenitic stainless steel. Ho hanyetsa ha eona ho chloride pitting, crevice corrosion le stress corrosion ho molemo ho feta ea 3 series stainless steel, 'me litšenyehelo tsa eona li tlaase ho feta tsa li-alloys tse sa tsitsang tsa nickel. E bonts'a thepa e ntle ea anti-corrosion libakeng tse fapaneng tse senyang, 'me e loketse litharollo tse nang le metsi a chloride e phahameng le tikoloho e senyang ea chloride. E sebelisoa libakeng tse fapaneng tsa chloride e phahameng: bleach (sodium hypochlorite), halogen le letsoai kapa lik'hemik'hale tse nang le metsi a mangata a leoatle.
Lebitso la thepa: tšepe e phahameng ea molybdenum super austenitic e sa jeleng paate, kereiti: AL6XN
1). Kakaretso ea AL-6XN (N08367) Super Austenitic Stainless Steel:
AL-6XN (N08367) ke 6 molybdenum e tloaelehileng (e phahameng molybdenum content 6.3%) super austenitic stainless steel. Ho hanyetsa chloride pitting, crevice corrosion le stress corrosion ho molemo ho feta ea 3 series stainless steel, 'me litšenyehelo li tlase ho feta tsa li-alloys tse sa tsitsang tsa nickel. AL-6XN (N08367) super austenitic stainless steel e bonts'a khanyetso e ntle ea kutu libakeng tse fapaneng tse senyang, 'me e loketse litharollo tse nang le metsi a chloride e phahameng le tikoloho ea chloride corrosion. E sebelisoa libakeng tse fapaneng tsa chloride e phahameng: bleach (sodium hypochlorite), halogen le letsoai kapa lik'hemik'hale tse nang le metsi a mangata a leoatle.
AL-6XN (N08367) super austenitic stainless steel hape ke super austenitic stainless steel e hanyetsanang hantle le chloride ion pitting le crevice corrosion. Joalo ka motsoako o hanang ho bola o nang le ts'ebetso e ntle ea litšenyehelo, khanyetso ea eona e felletseng ea kutu Ha e bapisoa le 316L, e na le ho tlola ho hoholo, 'me ka nako e ts'oanang, khanyetso ea eona ea kutu e haufi le li-alloys tse ling tse hanang ho bola joalo ka C-276. , 'me molemo oa litšenyehelo o totobetse. Ka lebaka la naetrojene ea bohlokoa e kenyellelitsoeng ho alloy, thepa ea Al-6XN e na le matla a phahameng a matla ho feta litšepe tse tloaelehileng tsa austenitic (tse kang 304, 316, 317, joalo-joalo), ha li ntse li boloka boima bo botle ba thepa le matla a tšusumetso, ASME standard boleng bo lumellehang ba khatello ea maikutlo bo boletsoeng ho Al-6XN bo phahame ka 40% ho feta ba 316L, 'me bo batla bo imena habeli ba koporo-nickel alloy.
2). Lisebelisoa tsa mantlha tsa AL-6XN (N08367)
Cr: 21% Ni: 24% Mo: 6% N: 0.2%
Libaka tsa kopo:
Mabala a kantle ho naha, indasteri ea nyutlelie, thepa ea indasteri ea meriana, ea pampiri le ea lijo; lesela la phaephe ea khase ea desulfurization; litora tsa petrochemical distillation; li-heaters tsa metsi tse nang le khatello e phahameng; liphaephe tse nang le marako a tšesaane tse etsang hore metsi a leoatle a pholisoe; li-condensers tsa mouoane le lisebelisoa tsa ho futhumatsa tse ngata tsa malapa.
3). Thepa ea 'mele le mochini oa AL-6XN (N08367) super austenitic stainless steel (21℃ mocheso oa kamore):
(1). Boima ba AL-6XN (N08367) tšepe e sa hloekang: 8.24g/cm3.
(2). AL-6XN (N08367) matla a tšepe a sa hloekang: σb≥744Mpa.
(3). AL-6XN (N08367) matla a tlhahiso ea tšepe e sa hloekang: σb≥365Mpa.
(4). AL-6XN (N08367) sekhahla sa bolelele ba tšepe e sa hloekang: δ≥47%.
Tse 'nè, AL-6XN (N08367) litšoaneleho tsa tšepe tse sa hloekang tsa super austenitic:
Ha ho bapisoa le alloy e tloaelehileng ea 300 series, AL-6XN (N08367) tšepe e sa jeleng paate e na le khanyetso e phahameng ho pitting, crevice corrosion le khatello ea crevice corrosion ho li-ion tsa chloride. Ka tšepe e sa hloekang, Cr, Mo, Ni, le C li hanyetsana le mecha ea litaba e fapaneng. E senyang. Cr ke moemeli oa ho hanyetsa kutu maemong a tlhaho le a oxidizing. Keketseho ea litaba tsa Cr, Mo, Ni e eketsa khanyetso ea pitting corrosion, nickel e fana ka sebopeho sa austenite, 'me nickel molybdenum e eketsa khatello ea "crevice corrosion" ho hanyetsa li-ion tsa chloride le ho fokotsa ho hanyetsa Ho hanyetsa ha kutu ea tikoloho. Nickel e phahameng (24%), molybdenum (6.3%) AL-6XN tšepe e sa hloekang e na le khanyetso e ntle ea khatello ea crevice corrosion. Molybdenum e na le bokhoni ba ho hanela ho bola ha li-ion tsa chloride, 'me nickel e ntlafatsa le ho feta bokhoni ba ho hanela kutu,' me e ka fana ka matla a phahameng ho feta 300 austenitic steel stainless, kahoo hangata e sebelisoa likarolong tse tšesaane tsa lisebelisoa. Ka AL-6XN tšepe e sa hloekang, likahare tse phahameng tsa chromium, molybdenum, le nickel le tsona li fana ka khanyetso ea kutu ea tšepe e sa hloekang nakong ea ho etsoa le ho tjheseletsa. Ntle le moo, tšepe ea AL-6XN e boetse e na le tse latelang
(1). Ho hanyetsa ka mokhoa o babatsehang ho pitting le crevice corrosion ka mokhoa o nang le li-ion tsa chloride.
(2). Khatello e ntle haholo ea ho hanyetsa kutu ka tlas'a metsi a letsoai a sodium chloride.
(3). Matla a phahameng, toughness e ntle.
5. Tšebeliso e ka sehloohong ea AL-6XN (N08367) super austenitic stainless steel:
Chromium e phahameng, molybdenum, nickel le nitrogen ea AL-6XN e etsa hore AL-6XN e be le khanyetso e ntle ea chloride ion pitting corrosion le crevice corrosion, e leng se etsang hore AL-6XN e sebelisoe libakeng tse ngata: flue gas desulfurization spray tower; mokhoa oa ho khutlisa osmosis lisebelisoa le lipompo tsa metsi a leoatle; li-reactor tsa lik'hemik'hale le liphaephe; lisebelisoa tsa mocheso li sebelisa mecha ea litaba ea metsi a leoatle; oli e tala e petsolang litora tsa distillation le ho paka tšepe; thepa ea ho ntša oli ea metsing le khase; meropa e hohlang, meqolo ea khatiso, litanka, liphaephe, joalo-joalo tsamaisong ea ho soeufala ha pulp .
6. Ho paka:
Re thehile kamano ea tšebelisano ea nako e telele le e tsitsitseng le bareki ba malapeng, joalo ka Shanghai, Jiangsu,
Zhejiang, Anhui, Shandong, Jiangxi, Qinghai, Liaoning, Hainan joalo-joalo.
Bakeng sa mose ho maoatle, moreki oa rona oa mantlha ho tsoa Asia Boroa, Afrika, Amerika Boroa joalo ka Singapore, Vietnam, Brazil, Ghana,
New Zealand, Spain, Mauritius, Dubai joalo-joalo.
