Hastelloy C276 vs Alloy 20: Qhov twg zoo dua?
Hastelloy C276 ua tau zoo heev nyob rau hauv qhov hnyav heev corrosive ib puag ncig (xws li siab -kub sulfuric acid, chlorides, thiab txo cov neeg ua hauj lwm), ua pov thawj zoo heev rau pitting thiab cracking. Alloy 20, ntawm qhov tod tes, yog tus nqi ntau dua - siv tau zoo nyob rau hauv nruab nrab corrosion tej yam kev mob, muab kev tiv thaiv zoo heev rau sulfuric acid (qis dua 150℃F), phosphoric acid, thiab chlorides. Nyob rau hauv cov xwm txheej no, qhov ua tau zoo ntawm C276 yuav dhau mus. C276 yog ib qho siab -nickel siab- kub alloy haum rau qhov chaw corrosive heev, thaum Alloy 20 yog stainless hlau (muaj npib tsib xee, chromium, molybdenum, thiab tooj liab), ntsuas kev ua tau zoo thiab tus nqi. Yog li ntawd, qhov kev xaiv tshwj xeeb nyob ntawm daim ntawv thov.
Thaum twg siv Hastelloy C276?
Cov kav dej no feem ntau siv rau hauv cov ntawv thov uas muaj cov kua qaub muaj zog xws li sulfuric acid, hydrochloric acid, thiab phosphoric acid. Hastelloy C276 cov kav dej tuaj yeem tiv taus cov corrosiveness ntawm cov kua qaub uas muaj zog, ua rau lawv tsim nyog rau cov khoom siv hauv cov khoom siv xws li tshuaj reactors, cov kab distillation, cov khoom siv hluav taws xob, thiab cov khoom siv tshuaj txhuam hniav.
Hastelloy Alloy C-276 yog dab tsi?
Hastelloy C-276 yog npib tsib xee-molybdenum-chromium-tungsten superalloy (Hastelloy) uas nws cov txiaj ntsig tseem ceeb nyob hauv nws yuav luag txhua qhov kev tiv thaiv corrosion. Nws tiv taus cov xov xwm corrosive xws li muaj zog oxidizing thiab txo cov kua qaub, cov kua qaub sib xyaw, cov tshuaj chlorides, cov roj chlorine ntub dej, thiab cov kua qaub ntsev hnyav, thiab ua tau zoo heev hauv kev tiv thaiv pitting corrosion, crevice corrosion, thiab kev ntxhov siab corrosion tawg. Nws yog tsim tshwj xeeb rau cov kev lag luam corrosive tshaj plaws, suav nrog hydrometallurgy, tshuaj thiab tshuaj industries, flue gas desulfurization, khib nyiab incineration, thiab marine engineering, ua rau nws yog ib qho ntawm cov khoom siv engineering sab saum toj nrog ntau yam kev tiv thaiv corrosion ntawm cov khoom lag luam.
Nickel Alloy 20 (UNS N08020) yog dab tsi?
Alloy 20 yog npib tsib xee-hlau-chromium austenitic stainless hlau (feem ntau hu ua Carpenter 20 lossis CN7M) uas nws cov yam ntxwv tseem ceeb yog txhim kho kev tiv thaiv kom tsis txhob muaj cov kua qaub xws li sulfuric acid thiab phosphoric acid, nrog rau chloride kev nyuaj siab corrosion cracking, los ntawm kev sib ntxiv ntawm cov ntsiab lus mobdenum xws li cosperic acid thiab phosphoric acid. Nws yog qhov tshwj xeeb tshaj yog tsim nyog rau kev thov hauv kev lag luam tshuaj, khoom noj, tshuaj, thiab nuclear roj ua lag luam, tshwj xeeb tshaj yog rau sulfuric acid cia khoom, tshuaj reactors, sib xyaw acid ib puag ncig, thiab siab -kub acidic media. Nws yog ib qho tshwj xeeb acid-resistant stainless hlau uas sib npaug corrosion kuj, weldability, thiab txhua yam khoom.
Hastelloy Alloy C-276 vs Nickel Alloy 20 Chemical Composition
| Element | Hastelloy Alloy C-276 Cov ntsiab lus (%) | Alloy 20 Cov ntsiab lus (%) |
|---|---|---|
| Nickel | Tshuav | 32-38 |
| Molybdenum | 15.0-17.0 | 2-3 |
| Chromium | 14.5-16.5 | 19-21 |
| Hlau | 4.0-7.0 | 35 |
| Tungsten | 3.0-4.5 | - |
| Cobalt | 2.5 max | - |
| Manganese | 1.0 max | Tsawg dua los yog sib npaug 2 |
| Cov pa roj carbon | 0.01 max | Tsawg dua lossis sib npaug li 0.07 |
| Vanadium | 0.35 max | - |
| Phosphorus | 0.04 max | Tsawg dua lossis sib npaug li 0.045 |
| Sulfur | 0.03 max | Tsawg dua lossis sib npaug li 0.035 |
| Silicon | 0.08 max | Tsawg dua los yog sib npaug li 1 |
| Tooj | - | 3-4 |
| Niobium | - | Tsawg dua los yog sib npaug li 1 |
Hastelloy Alloy C-276 vs Nickel Alloy 20 Corrosion Resistance
Nickel nws tus kheej muaj kev tiv thaiv corrosion zoo heev, ua rau Hastelloy C-276 thiab Nickel Alloy 20 ua haujlwm zoo hauv qhov chaw corrosive.
Alloy 20 muaj cov ntsiab lus chromium siab dua C-276, yog li txhim kho nws cov oxidation tsis kam. Yog li ntawd, Alloy 20 pom zoo oxidation tsis kam piv rau Alloy C-276.
Hastelloy Alloy C-276 vs Nickel Alloy 20 Mechanical Behavior
Nyob rau hauv sib piv, Hastelloy C-276 tso siab rau cov khoom siv ntxiv zog nrog tungsten thiab molybdenum. Vim lub loj atomic radii ntawm tungsten thiab molybdenum, lawv ho txhim kho lub zog ntawm Hastelloy C-276.
Alloy 20 nthuav tawm cov khoom siv kho tshuab zoo ntawm chav tsev kub thiab kub siab (txog li 500 degree) thiab tuaj yeem tsim tau yooj yim siv cov txheej txheem kev lag luam.
Hastelloy Alloy C-276 vs Nickel Alloy 20 Lub cev muaj zog
| Alloy 20 | Hastelloy C-276 | |
|---|---|---|
| Qhov ceev, g / cm³ | 8.10 | 8.89 |
| Ceev, lb/in.³ | 0.291 | 0.321 |
| Melting Range,℃F | 2520-2600 | 2415-2500 |
| Melting Range, degree | 1385-1443 | 1323-1371 |
Kev sib piv ntawm Hastelloy C-276 thiab Nickel Alloy 20 Daim Ntawv Thov
Hastelloy C-276 yog qhov zoo tagnrho rau kev siv dej hiav txwv. Nws zoo heev corrosion kuj tso cai rau nws tiv taus ntau yam corrosive tshuaj nyob rau hauv ntws seawater rau ncua sij hawm. Tsis tas li ntawd, Hastelloy C-276 tswj kev ua tau zoo tag nrho ntawm qhov kub thiab txias. Nws yog qhov zoo rau cov khoom siv hauv kev npaj ntau yam tshuaj corrosive lossis cov hlab ntsha cov tshuaj tiv thaiv rau ntau yam acidic.
Nickel Alloy 20 muaj ntau yam kev siv, nrog rau qhov kub siab tshaj plaws txog li 500℃(930℃F).
Cov ntawv thov ib txwm muaj xws li:
Sulfuric acid ntau lawm thiab lwm yam khoom siv txheej txheem
Extraction yees nyob rau hauv cov amino acid ntau lawm thiab kev ua tshuaj
Kev tsim cov khoom siv hluavtaws polymers
Cov cuab yeej siv los tiv thaiv kev kis kab mob hauv kev ua zaub mov
Hastelloy C-276 thiab Nickel-Based Alloy 20: Cov Qauv Tseem Ceeb
Hastelloy C-276: Cov Qauv Tseem Ceeb
Seamless Tubes: ASTM B622, ASTM B983
Cov khoom siv: ASTM B366, ASTM B462
Qauv: ASTM B574
Forgings: ASTM B564, ASTM B462
Phaj, Ntawv thiab Sawb: ASTM B575
Nickel-Based Alloy 20: Cov Qauv Tseem Ceeb
Seamless Tubes: ASTM B729, ASTM B829
Khoom siv: ASTM B462
Qauv: ASTM B472
Khoom siv: ASTM B462
Phaj, Ntawv thiab Sawb: ASTM B463, ASTM B906, ASTM A240
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.