Hastelloy C276 vs 316 Stainless Hlau - Dab tsi yog qhov txawv
Hastelloy C276 vs 316 Stainless Hlau - Dab tsi yog qhov txawv
Hastelloy C276 yog ib tug siab -kev ua tau zoo nickel alloy nrog zoo heev - kub thiab corrosion kuj (xws li, tsis kam mus rau chlorides thiab acids), thaum 316 stainless hlau yog ib tug nqi- zoo hlau-raws li alloy haum rau nruab nrab tej yam kev mob, tshwj xeeb tshaj yog nyob rau hauv lub xub ntiag ntawm chlorides. Yog li ntawd, Hastelloy yog qhov zoo dua rau qhov hnyav, hnyav heev, thaum 316 stainless hlau yog qhov zoo tagnrho rau kev lag luam, khoom noj khoom haus, thiab kev siv tshuaj kho mob uas tus nqi thiab kev siv tshuab yog qhov tseem ceeb rau kev txiav txim siab. Qhov sib txawv tseem ceeb nyob rau hauv lawv cov muaj pes tsawg leeg: Hastelloy lub siab nickel thiab molybdenum cov ntsiab lus muab nws unparalleled corrosion kuj, thaum 316 stainless hlau cia siab rau chromium thiab molybdenum los muab kev tiv thaiv zoo (tab sis tsis tshwj xeeb).
Qhov siab tshaj plaws ua haujlwm kub ntawm Hastelloy C276 yog dab tsi?
Hastelloy C-276 yog npib tsib xee-molybdenum-chromium corrosion-resistant alloy. Qhov no alloy yog resistant rau pitting, crevice corrosion, thiab kev nyuaj siab corrosion cracking. Hastelloy C-276 tsuas tuaj yeem ua kom tawv los ntawm kev ua haujlwm txias. Kev ua haujlwm kub ntau rau Hastelloy C-276 txuas ntxiv los ntawm qhov kub thiab txias txog li 750℃F (400 degree).
Hastelloy C276 Alloy
C276 alloy yog npib tsib xee-molybdenum-chromium alloy paub txog nws qhov tshwj xeeb corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv acidic ib puag ncig. Renowned rau nws lub zog, durability, thiab zoo ductility, nws pom dav siv nyob rau hauv ntau yam kev siv, xws li tshuaj ua, nuclear roj reprocessing systems, roj thiab roj ua cov cuab yeej, tshuaj manufacturing Cheebtsam, thiab hluav taws xob enclosures. Nws siv dav hauv cov ntawv thov raug rau qhov kub thiab txias lossis cov kev daws teeb meem corrosive yog ib qho pov thawj rau nws txoj kev ntseeg tau thiab kav ntev.
316 Stainless hlau
316 stainless hlau yog lwm cov khoom siv dav siv, muab ntau qhov zoo dua lwm cov austenitic stainless hlau. Nws nthuav tawm cov kev ua haujlwm zoo heev rau oxidation thiab sulfide corrosion thiab tswj cov khoom siv zoo tshaj qhov kub ntau. Nws qhov siab - qhov kub thiab txias ua rau nws tseem ceeb hauv cov khoom siv hluav taws xob, boilers, condensers, thiab cov kav dej. Tsis tas li ntawd, nws qhov kev tiv thaiv zoo rau chlorides ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov chaw hauv dej hiav txwv, qhov chaw corrosion sai ua rau muaj kev nyuaj siab rau lwm yam khoom siv hlau.
Cov tshuaj muaj pes tsawg leeg ntawm Hastelloy C276 alloy thiab 316 stainless hlau
| Element | Hastelloy C-276 (%) | Stainless hlau 316 (%) |
|---|---|---|
| Nickel (Ni) | 57.0 | 10.0 – 14.0 |
| Chromium (Cr) | 14.5 – 16.5 | 16.0 – 18.0 |
| Molybdenum (hli) | 15.0 – 17.0 | 2.0 – 3.0 |
| Hlau (Fe) | 4.0 – 7.0 | Tshuav |
| Tungsten (W) | 3.0 – 4.5 | – |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.01 | Tsawg dua lossis sib npaug li 0.08 |
| Manganese (Mn) | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua los yog sib npaug rau 2.0 |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.08 | Tsawg dua los yog sib npaug rau 1.0 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.04 | Tsawg dua lossis sib npaug li 0.045 |
| Sulfur (S) | Tsawg dua los yog sib npaug li 0.03 | Tsawg dua los yog sib npaug li 0.03 |
Mechanical Properties ntawm Hastelloy C276 alloy thiab 316 stainless hlau
| Khoom | C276 | SIB 316 |
|---|---|---|
| Tensile zog | 790 MPa (min) | 515 MPa (min) |
| Yield zog | 415 MPa (min) | 205 MPa (min) |
| Elongation | 40% (min) | 40% (min) |
| Hardness (Brinell) | 209 max | 217 max |
| Qhov ntom | 8.89 g / cm³ | 8.0 g / cm³ |
Corrosion Resistance
Hastelloy C276 muaj npe nrov rau nws qhov tshwj xeeb corrosion kuj nyob rau hauv ntau qhov chaw hnyav. Nws cov ntsiab lus siab nickel thiab molybdenum muab nws zoo heev rau pitting, crevice corrosion, thiab kev nyuaj siab corrosion cracking. Tsis tas li ntawd, qhov sib ntxiv ntawm tungsten ntxiv txhim kho nws qhov kev tiv thaiv rau hauv zos corrosion nyob rau hauv acidic tej yam kev mob . 316 stainless hlau muaj corrosion kuj zoo, tshwj xeeb tshaj yog nyob rau hauv marine thiab chloride- nplua nuj ib puag ncig. Txawm li cas los xij, piv rau Hastelloy C276, nws muaj kev cuam tshuam ntau dua rau pitting thiab crevice corrosion. Cov ntsiab lus chromium thiab npib tsib xee ntawm 316 stainless hlau muab kev ua haujlwm zoo rau kev xeb, tab sis nws ua haujlwm tsis zoo nyob rau hauv ib puag ncig corrosive tshuaj lom neeg.
Kev kub siab ua haujlwm ntawm stainless hlau 316 thiab Hastelloy C276
| Qhov xwm txheej | C276 | SIB 316 |
|---|---|---|
| Max Nruam | 1093℃(oxidizing) | 925 degree |
| Kub kub | -196 degree | -270 degree |
| Scaling Resistance | Zoo heev | Kev ncaj ncees (siab tshaj 600 degree) |
Cov ntawv thov kev lag luam
Hastelloy C276 thiab stainless hlau 316 (SS316) yog ob qho khoom siv dav siv thoob plaws ntau qhov kev lag luam vim lawv cov corrosion kuj. Txhua alloy muaj qhov tshwj xeeb zoo uas ua rau cov kev xav tau ntawm cov ntawv thov tshwj xeeb.
Kev ua tshuaj lom neeg
Hastelloy C276 yog zoo tagnrho rau cov tshuaj reactors, tshav kub exchangers, thiab piping systems vim nws tsis kam mus corrosion los ntawm sulfuric acid, hydrochloric acid, thiab phosphoric acid. Nws muaj peev xwm tiv taus ob qho tib si oxidizing thiab txo qhov chaw ua kom lub neej ua haujlwm ntev thiab kev ntseeg siab hauv kev xav tau cov txheej txheem tshuaj.
SS316 kuj tseem siv rau hauv kev ua tshuaj, tab sis nws zoo dua rau qhov chaw tsis muaj corrosive tsawg. Nws muaj qhov zoo ntawm kev tiv thaiv corrosion thiab feem ntau siv rau hauv cov tso tsheb hlau luam thiab cov kav dej kom txo qis cov kua qaub. Nws tus nqi nruab nrab thiab muaj nyob ua rau nws yog qhov kev xaiv ua tau zoo rau cov ntawv thov uas muaj kev tiv thaiv corrosion siab tsis tseem ceeb.
Kev lag luam roj thiab roj
Hastelloy C276 nyiam nyob rau hauv kev lag luam roj thiab roj rau nws cov kav ntev hauv ib puag ncig hnyav, tshwj xeeb tshaj yog cov uas muaj hydrogen sulfide thiab chlorides. Nws muaj kev tiv thaiv siab rau kev ntxhov siab corrosion tawg thiab pitting corrosion ua kom nws lub neej ntev hauv cov dej hauv dej. Tsis tas li ntawd, Hastelloy C276 tuav nws cov qauv kev ntseeg siab ntawm qhov kub thiab txias, ua rau nws haum rau ntau yam kev siv hauv kev lag luam no.
SS316 yog siv rau hauv kev lag luam roj thiab roj rau kev siv nrog cov tshuaj chloride tsawg. Nws feem ntau pom muaj nyob rau hauv cov khoom siv xws li li qub, twj, thiab cov kav dej uas yuav tsum tau muaj qee qhov kev tiv thaiv corrosion tab sis tsis raug rau cov mob hnyav heev. SS316 muab tus nqi- muaj txiaj ntsig zoo rau ntau yam khoom siv roj thiab roj.
Pollution Control
Hastelloy C276 yog siv rau hauv cov khoom siv tswj kev ua qias tuaj, xws li flue gas desulfurization systems thiab cov chaw kho cov khib nyiab. Nws tsis kam mus rau corrosive flue gases thiab acidic khib nyiab kua ua kom lub sij hawm ntev - kev ua tau zoo thiab kev ntseeg siab ntawm cov cuab yeej. Lub alloy zoo corrosion kuj nyob rau hauv ob qho tib si oxidizing thiab txo tej yam kev mob ua rau nws yog ib tug zoo tagnrho xaiv rau tuav ntau yam pa phem.
Kev ua zaub mov
Hauv kev lag luam khoom noj khoom haus, SS316 yog cov khoom siv uas nyiam vim nws yooj yim -rau- huv si thiab zaub mov- tiv tauj kev nyab xeeb, ua raws li cov qauv kev nyiam huv. Nws yog dav siv nyob rau hauv cia tso tsheb hlau luam, conveying systems, thiab lwm yam khoom uas yuav tsum tau yooj yim tu thiab tsis kam mus rau chloride ib puag ncig. Lub biocompatibility ntawm SS316 ua rau nws muaj kev nyab xeeb rau kev siv hauv kev sib cuag zaub mov.
Marine Ib puag ncig
Hastelloy C276 tau txais txiaj ntsig zoo hauv cov cheeb tsam hauv hiav txwv uas muaj cov tshuaj chloride siab thiab cov kab mob corrosive ntau heev. Nws yog siv nyob rau hauv cov khoom xws li seawater txias tshuab, desalination nroj tsuag, thiab ntug hiav txwv infrastructure. Lub alloy zoo heev tsis kam rau pitting thiab crevice corrosion ua kom nws lub neej ntev thiab kev ua tau zoo nyob rau hauv hnyav marine ib puag ncig.
316 stainless hlau kuj tseem siv nyob rau hauv marine daim ntaub ntawv, nrog rau cov nkoj fittings thiab ntug hiav txwv infrastructure. Thaum nws muaj kev tiv thaiv zoo rau kev txhim kho corrosion, nws yog qhov zoo tshaj plaws rau qhov tsis tshua muaj corrosive marine ib puag ncig vim nws muaj kev cuam tshuam rau pitting corrosion nyob rau hauv siab -chloride ib puag ncig. Qhov kev pheej yig thiab yooj yim ntawm kev tsim ntawm 316 stainless hlau ua rau nws yog qhov kev xaiv zoo rau ntau daim ntawv thov marine.
Vim li cas thiaj xaiv Gnee raws li koj cov nickel-Raws li Alloy Supplier
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Hais txog Gnee Steel
Gnee Steel yog cov chaw tsim khoom ntawm nickel-raws li alloys, suav nrog Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel 600, Inconel 625, Inconel 718, Inconel X, Inconel 718, Inconel X. 800H / HT, Incoloy 825, Monel 400, Monel K500, thiab lwm yam khoom siv kub kub. 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 tsim hluav taws xob, tsheb, nuclear zog, thiab lwm yam, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Yog xav paub ntxiv txog cov nqi ntawm cov khoom siv alloy lossis customized alloy cov ntaub ntawv daws teeb meem, thov koj xav tiv tauj peb ntawm email ntawmss@gneesteel.comrau ib nqe lus.
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