Hastelloy C276 vs G30 alloy
Gnee Steel
Hastelloy C276 vs G30 alloy
Hastelloy C-276 yog ntau yam npib tsib xee-raws li alloy uas ua tau zoo nyob rau hauv ob qho tib si oxidizing thiab txo ib puag ncig thiab muaj npe nrov rau nws zoo heev corrosion kuj. Hastelloy G-30, ntawm qhov tod tes, yog siab -chromium npib tsib xee-raws li alloy tshwj xeeb tsim los rau kev ua tau zoo tshaj hauv cov oxidizing acids, xws li cov txheej txheem ntub dej phosphoric acid. Vim nws cov ntsiab lus chromium thiab tooj liab siab dua, G-30 ua tau zoo tshaj C-276 hauv cov xov xwm tshwj xeeb corrosive. Thaum C-276 muaj kev tiv thaiv dav (xws li tiv thaiv pitting / crevice corrosion), G-30 ua tau zoo nyob rau hauv cov huab cua oxidizing thiab siab phosphorus cov ntsiab lus, ua rau nws zoo tagnrho rau chiv / tshuaj ua.
Gnee Steel
Hastelloy C276 yog dab tsi?
Hastelloy C276 seamless steel kav muaj kev siv dav hauv kev lag luam roj thiab roj, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav thiab cov dej corrosive. Cov kav dej no feem ntau siv rau ntawm ntug dej hiav txwv platforms, hauv cov roj refineries, thiab hauv cov nroj tsuag petrochemical.
Hastelloy G30 yog dab tsi?
Hastelloy G30 muaj npe nrov rau nws qhov tshwj xeeb corrosion kuj nyob rau hauv phosphoric acid ib puag ncig. Ua los ntawm npib tsib xee, chromium, thiab molybdenum, nws feem ntau yog siv rau hauv kev lag luam chemical thiab petrochemical industries. G30 alloy muaj zog tiv taus pitting, crevice corrosion, thiab kev nyuaj siab corrosion tawg. Nws kuj qhia tau zoo heev corrosion kuj nyob rau hauv ib puag ncig chloride. Hastelloy G30 feem ntau yog siv nyob rau hauv ib puag ncig uas muaj sulfuric acid, hydrochloric acid, thiab hydrofluoric acid, ua rau nws zoo tagnrho rau cov kws, pulp thiab ntawv manufacturing, thiab flue gas desulfurization.
Hastelloy C276 yog dab tsi?
Hastelloy C276 yog cov khoom siv dav siv dav hauv kev lag luam tshuaj thiab roj thiab roj. Ua los ntawm npib tsib xee, molybdenum, thiab chromium, nws muaj kev tiv thaiv zoo heev rau oxidation, txo, alkalis, thiab chlorides. C276 alloy tau siv nyob rau hauv ntub dej chlorine ib puag ncig thiab ua pov thawj zoo heev rau kev ntxhov siab corrosion cracking thiab localized corrosion. Nws kuj tseem tsim nyog rau cov khoom uas raug rau cov neeg kho tshuab siab thiab siab - qhov chaw kub, xws li cov txheej txheem kev lag luam uas muaj cov sulfur dioxide ntau.
Cov tshuaj muaj pes tsawg leeg ntawm Hastelloy C276 thiab Hastelloy G30
| Element | Hastelloy G30 (UNS N06030) | Hastelloy C276 (UNS N10276) |
|---|---|---|
| Nickel (Ni) | Ntau dua los yog sib npaug rau 58.0% (Tsuas tshuav) | Ntau dua los yog sib npaug rau 57.0% (Tsuas tshuav) |
| Chromium (Cr) | 28.0 – 31.5 % | 14.5 – 16.5 % |
| Hlau (Fe) | 13.0 – 17.0 % | 4.0 – 7.0 % |
| Molybdenum (hli) | 4.0 – 6.0 % | 15.0 – 17.0 % |
| Tungsten (W) | 1.5 – 4.0 % | 3.0 – 4.5 % |
| Cobalt (zeeg) | Tsawg dua lossis sib npaug li 5.0% | Tsawg dua lossis sib npaug li 2.5% |
| Copper (Cu) | 1.0 – 2.4 % | – |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.03% | Tsawg dua lossis sib npaug li 0.01% |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.5% | Tsawg dua lossis sib npaug li 1.0% |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.80% | Tsawg dua lossis sib npaug li 0.08% |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.04% | Tsawg dua lossis sib npaug li 0.04% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.02% | Tsawg dua lossis sib npaug li 0.03% |
| Vanadium (V) | – | Tsawg dua lossis sib npaug li 0.35% |
Lub cev muaj zog ntawm Hastelloy C276 thiab Hastelloy G30
| Lub cev khoom | Hastelloy G30 (Annealed) | Hastelloy C276 (Annealed) |
|---|---|---|
| Qhov ceev (g / cm³) | 8.22 | 8.89 |
| Melting Range (zeeg) | 1330 – 1380 | 1325 – 1370 |
| Modulus ntawm Elasticity (GPa) | 205 | 205 |
| Thermal conductivity (W / m·K, ntawm 20 degree) | 10.5 | 11.1 |
| Coefficient ntawm Thermal Expansion (× 10⁻⁶ / K, 20-100 degree) | 12.8 | 11.2 |
| Hluav taws xob tiv thaiv (μΩ·m, ntawm 20 degree) | 1.25 | 1.30 |
| Thaum tshav kub kub tshwj xeeb (J / kg·K, ntawm 20 degree) | 440 | 427 |
| Sib nqus Permeability | Feem ntau tsis-magnetic | Feem ntau tsis-magnetic |
| Poisson tus ratio | 0.30 | 0.30 |
| Thermal diffusivity (mm² / s, ntawm 20 degree) | ~3.0 | ~2.9 |
Qhov sib txawv ntawm Hastelloy G30 thiab C276 Alloy
Muaj ntau qhov sib txawv ntawm Hastelloy G30 thiab C276:
G30 yog qhov zoo tshaj plaws rau cov cheeb tsam uas muaj phosphoric acid, thaum C276 zoo dua rau cov cheeb tsam uas muaj oxidizing lossis txo cov kua qaub.
C276 muaj qhov dav dav rau cov tshuaj inorganic thiab organic dua li G30.
C276 tiv taus pitting thiab crevice corrosion dua li G30.
C276 tuaj yeem siv rau qhov kub txog li 1900℃F, thaum G30 tuaj yeem siv rau qhov kub txog li 1800℃F.
Hastelloy G30 vs C276 Alloy Corrosion Resistance
Hastelloy G30 thiab C276 muaj npe nrov rau lawv qhov tshwj xeeb corrosion kuj. Txawm li cas los xij, lawv qhov tshwj xeeb corrosion kuj txawv nyob ntawm qhov chaw corrosive. Hastelloy G30 nthuav tawm zoo heev corrosion kuj nyob rau hauv sulfuric acid ib puag ncig, tshwj xeeb tshaj yog thaum kub. Qhov no ua rau nws xaiv cov khoom siv thiab cov kav dej hauv sulfuric acid ntau lawm thiab cov chaw ua haujlwm.
Nyob rau hauv sib piv, Hastelloy C276 qhia superior corrosion kuj mus rau ntau yam corrosive xov xwm, xws li hydrochloric acid, nitric acid, thiab ntau yam organic acids. Nws kuj zoo tiv thaiv pitting thiab crevice corrosion nyob rau hauv chloride -muaj ib puag ncig. Cov khoom no ua rau C276 qhov kev xaiv nrov rau cov nroj tsuag ua tshuaj, kev siv dej hiav txwv, thiab lwm qhov chaw hnyav.
Cov yam ntxwv tseem ceeb thiab kev siv:
Nickel Alloy G30:
Pom zoo corrosion kuj rau oxidizing acids, tshwj xeeb tshaj yog nitric acid, thiab sib xyaw acid ib puag ncig uas muaj phosphoric acid, hydrochloric acid, thiab fluorides.
Kev tiv thaiv zoo heev rau thaj tsam corrosion xws li pitting thiab crevice corrosion.
G30 tuaj yeem siv tau rau hauv qhov siab - qhov kub thiab txias mus txog 1800℃F (982℃).
Dav siv nyob rau hauv kev lag luam tshuaj, tshwj xeeb tshaj yog haum rau daim ntaub ntawv xws li nitric acid ntau lawm, pickling, thiab txhuam.
Nickel alloy C276:
Ua kom muaj kev tiv thaiv zoo heev rau ntau qhov chaw corrosive, suav nrog oxidizing thiab txo cov kua qaub, chlorinated media, seawater, thiab brine daws.
Siab tiv taus rau kev ntxhov siab corrosion cracking thiab pitting.
C276 tuaj yeem siv rau hauv qhov siab - qhov kub thiab txias mus txog 1900℃F (904℃).
Muaj feem xyuam rau ntau yam kev lag luam nrog rau kev ua tshuaj lom neeg, kev tswj kev ua qias tuaj, kev tsim cov ntawv thiab cov ntawv, thiab kev kho cov khib nyiab.
Gnee Steel yog cov chaw tsim khoom ntawm ntau yam nickel{0}}raws li alloys, suav nrog Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 71807, Inconel 7107, Inconel Incoloy 800H / HT, Incoloy 825, Monel Alloy 400, Monel K500, thiab kub kub alloys. Peb tshwj xeeb hauv kev tsim khoom thiab muag khoom ntawm cov ntaub ntawv alloy. Gnee Steel cov khoom siv dav siv hauv aerospace, tshuaj, hluav taws xob, tsheb, thiab nuclear zog kev lag luam, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Rau cov khoom siv alloy tus nqi nug lossis thov kom haum rau cov khoom siv alloy, thov koj xav tiv tauj peb ntawmru@gneesteelgroup.com rau ib nqe lus.