Hastelloy B2thiabHastelloy C276yog ob qho tib si siab alloys muaj tsib xee, molybdenum, thiab chromium, thiab tau siv dav hauv kev xeb ib puag ncig. Txawm li cas los xij, lawv sib txawv raws li muaj pes tsawg leeg, corrosion tsis kam, cov khoom siv mechanies, thiab cov ntawv thov tshwj xeeb. Ntawm no yog cov ncauj lus piav qhia:
Composition:
Hastelloy B2 (UN tsis muaj N10665):
Tus menyuam yaus: 60-70%
Molybdenum: 28-34%
Yeebsab: 0-1%
Liv: 2-3%
Lwm Ntsiab Lus: Me me ntawm manganese, silicon, thiab carbon.
Cov yam ntxwv tseem ceeb: High Molybdenum cov ntsiab lus, tab sis minimal chromium, uas muab nws zoo heev tiv thaiv kom txo cov kua qaub zoo li hydrochloric acid.
Hastelloy C276 (tsis yog N10276):
Tus menyuam yaus: 57-63%
Molybdenum: 15-17%
Yeebsab: 14-16%
Liv: 4-7%
Lwm Ntsiab Lus: Cov nyiaj me me ntawm tungsten (3-4%) thiab cobalt (txog li 2%).
Cov yam ntxwv tseem ceeb: Kev sib tw ntawm npib tsib xee, molybdenum, thiab chromium, ua rau nws muaj kev tiv taus ob qho tib si oxidizing thiab txo cov chaw ib puag ncig.
Corrosion Kuj:
Hastelloy B2:
Zoo tshaj qhov tsis kam rau txo cov kua qaub, xws li hydrochloric acid thiab sulfuric acid, txawm tias muaj siab thiab kub. Nws ua yeeb yam zoo nyob rau hauv cov kev txo qis ib puag ncig.
Kev txwv: Vim nws cov ntsiab lus chromium tsawg, nws yogtsis tiv taus oxidizing acids(zoo li nitric acid) lossis ib puag ncig uas txhawb oxidation.
Hastelloy C276:
Muab kev tiv thaiv zoo rau ob qho tib sioxidizing thiab txo qhov chaw ib puag ncigCov. Nws yog qhov muaj peev xwm tiv thaiv ntau yam ntawm cov acids, suav nrog sulfuric acid, hydrochloric acid, acetic acid, thiab phosphoric acid, thiab phosphoric acid, thiab phosphoric acid, thiab phosphoric acid, thiab phosphoric acid, thiab phosphoric acid, thiab phosphoric acid, thiab phosphoric acid, thiab kua qaub. Nws tseem tiv taus chloride-induced kev ntxhov siab corrosion.
Heev versatileThiab qhov zoo tagnrho rau cov ntawv thov uas cov khoom yuav raug rau cov tshuaj uas muaj cov tshuaj xeb, suav nrog cov tshuaj tua kab thiab cov tshuaj pleev oxiding.
Cov Khoom Siv Neeg Kho Tshuab:
Hastelloy B2:
Lub zog tensile: {{55-80 ksi (379-552 mpa mpa)
Paib lub zog: {{25-50 ksi (172-345 mpa mpa)
Elongation: Kwv yees li {40-50% hauv 2 nti (51 hli).
Cov yam ntxwv tseem ceeb: Lub zog siab thiab ua kom zoo nkauj ua kom zoo dua qub, tab sis tsis tshua muaj kev tiv thaiv kom muaj kev kub ntxhov rau Hastelloy C276.
Hastelloy C276:
Lub zog tensile: {{80-100 ksi (552-690 mpa mpa)
Paib lub zog: {{35-50 ksi (241-345 mpa mpa)
Elongation: Kwv yees li 40% hauv 2 nti (51 hli).
Cov yam ntxwv tseem ceeb: Cov cuab yeej siv cov khoom siv zoo tshaj, tshwj xeeb tshaj yog nyob rau hauv cov tsheb kub siab. Nws muaj lub zog zoo heev ntawm lub zog thiab kev nruj.
Kub Kuj:
Hastelloy B2:
Haum rau qhov kub kom txog2000 degree f (1093 degree)hauv kev txo qhov chaw ib puag ncig. Nws muaj lub zog zoo ntawm cov chaw kub ntawm cov ntsuas kub hauv kev txo cov kua qaub tab sis tsis yog ua kom haum rau oxidation ntau dua.
Hastelloy C276:
Ntau cov cua sov-resistant dua hastellloy B2, muaj peev xwm nrog nrog kev kub ntxhov txog1900 Qib F (1040 Qib)Cov. Nws tswj hwm nws cov khoom tau zoo heev corrosion tsis kam thiab cov khoom siv neeg siv thaum muaj kev kub siab dua, txawm nyob hauv qhov chaw oxidizing.
Cov Ntawv Thov:
Hastelloy B2:
Feem ntau siv nyob rau hauvSiab txo qhov chaw ib puag ncigQhov twg raug rau hydrochloric acid, sulfuric acid, lossis lwm yam tshuaj tsis muaj tsawg yog ib qho. Cov ntawv thov feem muaj xws li:
Cov Khoom Siv Tshuaj
Cov Hluav Taws Xob Tshav Kub Kub
COV KUB TSHUAB RAU Hydrochloric Acid Ntau Lawm
Kev Tso Tsheb Hlau Luam Hauv Tshuaj Kev Lag Luam
Hastelloy C276:
Qhov zoo tagnrho rau qhov dav dav ntawm cov ntawv thov, suav nrogob leeg oxidizing thiab txo qhov chaw ib puag ncigCov. Nws yog dav siv nyob rau hauv kev lag luam xws li:
Kev ua tshuaj lom neeg (tshwj xeeb tshaj yog qhov twg ob qho tib si txo thiab oxidizing acids yog tam sim no)
Lub Zog Loj
Cov Khoom Siv Polluion Cov Khoom Siv
Chav tsev desulfurization
Kws Tshuaj Kho Mob Thiab Khoom Noj
Tubrog Nkoj thiab Aerospace
Nqi:
Hastelloy B2: Feem ntauTsawg NqiTshaj hastcelloy c276, vim nws cov yooj yim muaj pes tsawg leeg (qis dua cov roj ntsha thiab tungsten cov ntsiab lus). Nws yog kev xaiv nyiaj txiag rau cov ntawv thov feem ntau muaj kev cuam tshuam nrog roj acids.
Hastelloy C276: NtaukimTshaj li B2 vim nws cov ntsiab lus sib dhos (zoo li tungsten thiab cobalt corrosion tsis kam thiab muaj peev xwm dav dav ua rau nws muaj peev xwm thov tau ntau dua.
Ntsiab lus ntawm qhov sib txawv:
| Ntiag tug | Hastelloy B2 | Hastelloy C276 |
|---|---|---|
| Muaj pes tsawg | High Molybdenum, Tsawg Chromium | Balanced Nickel, Molybdenum, thiab chromium |
| Corrosion Kuj | Zoo heev rau kev txo cov kua qaub | Zoo heev rau ob qho tib si txo thiab oxidizing acids |
| Kub tiv thaiv | Txog li 2000 degree f (1093 degree) | Txog li 1900 degree f (1040 degree) |
| Cov Khoom Siv Neeg Kho Tshuab | Lub zog zoo thiab duction | Zoo tshaj lub zog thiab kev nruj |
| Cov Ntawv Thov | Txo cov acid acid (piv txwv li, hcl) | Kev Siv Hluav Taws Xob |
| Tus nqi | Tsawg Nqi | Kim dua vim muaj kev sib txuam |
Xaus:
Hastelloy B2yog qhov kev xaiv zoo dua thaum koj daim ntawv thov cuam tshuam nrog heevtxo qhov chaw, xws li nyob rau hauv hydrochloric acid los yog sulfuric acid thov. Nws muaj zoo heev corrosion tsis kam nyob rau hauv cov mob tshwj xeeb tab sis yog tsawg dua veratates hauv oxidizing ib puag ncig.
Hastelloy C276yog aNtau ntau yam thiab ruaj khov alloy, zoo tagnrho rau ob qho tib si txo thiab oxidizing ib puag ncig, suav nrog cov uas muaj cov tshuaj kub siab thiab ua rau muaj kev txhoj puab heev. Nws yog lub alloy ntawm kev xaiv thaum koj xav tau kev ua tau muaj zog thoob plaws ntawm cov kev siv xeb thiab cov kev siv kub siab.
Xaiv ntawm ob lub alloys nyob ntawm koj cov kev xav tau tshwj xeeb, suav nrog hom ib puag ncig (oxidizing lossis txo qis), thiab corrosion tsis kam rau koj daim ntawv thov.
