1. Dab tsi yog qhov muaj peev xwm ntawm ASTM B160 kev paub meej, thiab dab tsi yog cov yam ntxwv zoo ntawm tsis muaj N02200 (Nickel 200) uas ua rau nws haum rau kev siv bar kev siv?
ASTM B160 yog tus qauv kev tshwj xeeb rau Nickel Qiv thiab bar ua los ntawm tsis paub txog n02200 (Nickel 200) thiab tsis yog N02201 (Tsib txhiab 201). Cov qauv no tswj hwm cov ntaub ntawv no hauv ntau hom Wrought (kub} {} {{{{{{{{{{{{{{{{{{{}
Cov yam ntxwv ntawm Nickelamental ntawm Nickel 200 uas ua rau nws xaiv tau zoo rau rounded bar Tshuag yog roundeded nyob rau hauv nws cov lus qhia: nws yog kev lag luam ntshiab (99.6% yam tsawg kawg nkaus) wrought qaib. Cov nyiaj pab dawb huv no nws yog ib qho teeb meem tshwj xeeb ntawm cov khoom:
Zoo heev corrosion: Nickel 200 tau ua tau zoo tshaj plaws rau corrosion los ntawm caustic alkalis (piv txwv li cov kua dej nruab nrab thiab cov dej haus. Nws kuj tseem tiv taus corrosion los ntawm cov roj av qhuav xws li chlorine thiab hydrogen chlorine thiab hydrogen chloride ntawm chav tsev kub. Qhov no ua rau nws zoo tagnrho rau cov khoom siv tshuaj lom neeg.
Cov khoom siv zoo: nws tswj lub zog zoo thiab kev tawv dhau ntawm qhov kub ntau, los ntawm cryogenic qib nce mus txog nruab nrab siab.
Tsawg nqus pa hluav taws xob preatability: nws yog qhov tseem ceeb tsis yog- sib nqus, cov khoom tseem ceeb rau cov ntaub ntawv hauv cov khoom siv hluav taws xob uas yuav tsum zam cov magn.
Siab thermal thiab hluav taws xob conditionivity: piv rau cov hlau qub, nws tau muaj ntau dua thermal thiab hluav taws xob conductivity.
Qhov zoo Bricability: Nickel 200 tuaj yeem yooj yim kub {{1} {{{- Ua haujlwm, forged, thiab welded siv cov txheej txheem ib txwm muaj.
Lub Round Bar daim ntawv yog tshwj xeeb yog muaj txiaj ntsig vim tias nws yog pib Tshuag rau ntau ntau ntawm cov khoom siv tsim khoom. Nws tuaj yeem muab rau ntawm cov tshuab dhos kom tsim cov phuam, li qub, qia, thiab fittings; Nws tuaj yeem siv raws li feedstock rau kev zam txim los tsim siab - lub zog chaw xws li cov khoom siv twj tso kua mis; Thiab nws tuaj yeem raug machined rau hauv kev cai cov kev cai thiab cov cuab yeej tshwj xeeb rau kev siv hauv kev xeb ib puag ncig.
2. Yuav ua li cas cov ntsiab lus carbon tsawg ntawm Nickel 201 (tsis muaj Nickel 201 (tsis paub nws daim ntawv thov los ntawm Nickel 200 (tsis muaj qhov sib txawv ntawm Nickel 200}} kub kev pab?
Qhov no yog qhov sib txawv tseem ceeb uas ncaj qha cuam tshuam cov khoom muaj peev xwm xaiv cov khoom siv kub. Thaum ob qib kawm yog kev lag luam npib tsib xee, cov qhov sib txawv tseem ceeb nyob hauv lawv cov ntsiab lus carbon:
Nickel 200 (tsis yog tshaj plaws N02200): Cov ntsiab lus carbon xij feem ntau yog li 0.15%.
Nickel 201 (tsis yog N02201): Cov ntsiab lus carbon yog txwv rau ntau tshaj plaws ntawm 0.02%.
Qhov no zoo li me me sib txawv muaj lub txim loj ntawm qhov kub. Thaum Nickel 200 raug rau qhov kub muaj li ntawm 430℃thiab 815℃(800} degree. Qhov tshwm sim no, hu ua graphitization, tshwm sim feem ntau ntawm cov ciaj ciam teb.
Cov embrittlement tshwm sim los ntawm graphitogy txo qhov kev sib tw thiab tawv ntawm cov khoom, ua rau nws raug kev tawg tau hauv qab lossis kev ntxhov siab. Yog li ntawd, Nickel 200 puag ncig yuav tsum tsis txhob siv rau cov ntawv thov hauv cov kev siv hauv qhov ntsuas kub no.
Nickel 201 tau raug tsim tshwj xeeb kom kov yeej txoj kev txwv no. Nws cov pa roj carbon tsawg heev ua rau muaj kev tiv thaiv kab mob graphitization. Yog li ntawd, rau cov kab ke sib tshooj npaj rau siab - kev pab kub, xws li:
Cheebtsam hauv kev ua khoom siv tshuaj lom neeg
Caustic evaporator seem
Aerospace thiab hluav taws xob qhov uas yuav tsum muaj kev ruaj khov ntawm qhov kub
Nickel 201 yog qhov yuav tsum tau xaiv. ASTM B160 npog ob alloys, thiab nws yog lub luag haujlwm ntawm tus kws ua haujlwm yog lub luag haujlwm los qhia qhov tseeb (N0220) raws li kev ua haujlwm siab tshaj plaws ntawm cov khoom siv.
3. Dab tsi yog cov txheej txheem ntau lawm thiab cov xwm txheej (Tauj) rau Astm B160 Round cuam tshuam li cas thiab qhov kev ua tau zoo kawg nkaus?
Cov txheej txheem ntau lawm thiab cov xwm txheej kawg (lossis npau taws) ntawm kev txiav txim siab sib tw thiab muaj txiaj ntsig zoo rau ob qho tib si txheej txheem tsim khoom thiab qhov kawg {}} siv cov khoom.
Cov txheej txheem ntau lawm:
Kub Rolling / Forging: Ib lub billet yog rhuab thiab tsim mus rau hauv ib ncig bar los ntawm dov los yog forging. Qhov no ua tau zoo rau cov kab uas sib dos loj thiab cov txiaj ntsig hauv cov qauv coarse.
Cold Drawatic: kub {- Rolled bar yog kev sib tw ntawm chav tsev kub los ua kom muaj zog los ntawm kev ua haujlwm hnyav.
Tig / teeting: kub - Rolled bar yog tig mus nruj ntev ntev thiab huv si thiab kev tshem tawm cov nplai sab nraud thiab cov tsis txaus ntseeg.
Cov xwm txheej nquag thiab lawv qhov cuam tshuam:
Kub -} rolled & annealed (mos mob): Qhov no yog feem ntau cov kev mob rau kev siv tshuab. Cov txheej txheem anealing (cua sov kom sov thiab txias) relieves sab hauv kev ntxhov siab thiab ua kom muaj micrubtructure nrog cov khaub ncaws hnav loj me me.
Kev cuam tshuam: Muaj qhov zoo tshaj plaws machinability, tso cai rau kev txiav siab ntau, zoo ua tiav, thiab cuab tam ntev. Nws yog qhov pib pib qhov pib rau cov khoom ua haujlwm nyuaj.
Txias - Kos duab (nyuaj - Tus txheej txheem ua haujlwm tau ua haujlwm ntau tab sis txo cov qauv sib xws.
Kev cuam tshuam: muaj qis dua lub tshuab luam ntawv dua li anealed mob. Nws yog qhov nyuaj rau ntawm cov cuab yeej txiav. Txawm li cas los xij, nws muab lub zog siab dua thiab zoo dua saum npoo
Raws li - kub} kub}- rolled / forged: tus mob no muaj zog dua li annealed tab sis tsawg dua. Cov saum npoo tej zaum yuav teev, thiab kev ntxhov siab sab hauv tuaj yeem yog siab.
Kev cuam tshuam: Feem ntau tsis pom zoo rau cov machining hnyav. Nws yog feem ntau siv rau cov seem uas yuav tom qab forged lossis rau tsis - tseem ceeb cov ntawv thov uas saum npoo av yuav ntxuav.
Kev xaiv yog kev ua lag luam - tawm. Rau qhov siab tshaj plaws machinability thiab formability, annealed yog xaiv. Rau lub zog siab dua hauv "as {- xa tawm" lub xeev, txias}
4. Nyob rau hauv uas cov lag luam loj yog ASTM B160 ntawm 200/201 puag ncig cov khoom lag luam feem ntau siv, thiab dab tsi tshwj xeeb cov khoom siv yog lawv machined rau hauv?
Cov kab ke puag ncig no yog cov ntaub ntawv hauv kev lag luam nyob rau hauv kev lag luam nyob qhov twg corrosion tsis kam thiab cov khoom siv kev coj dawb huv yog qhov tseem ceeb.
Kev Lag Luam Kev Lag Luam (CPI): Nov yog qhov chaw ua haujlwm loj tshaj plaws. Nickel 200/201 puag ncig cov ntaub yog machined rau hauv:
Cov Cheebtsam: cov stands, thiab cov rooj zaum rau li qub tuav caustic dej qab zib, chlorinated kuab tshuaj, thiab lwm yam tshuaj lom neeg.
Qhov chaw twj tso kua mis qhov chaw: Shafts, impellers, thiab hnav cov nplhaib hauv cov twj rau cov kua ntshav.
Fasteners thiab studs: rau kev sib sau ua ke reactors, cov hlab ntsha, thiab cov raj dej piping uas cuam tshuam nrog hlau disless yog qhov kev txhawj xeeb.
Khoom noj khoom haus thiab cov khoom noj:
Daim Ntawv Thov: Siv rau cov khoom sib txuas xws li tov khoom, scraper siav, thiab hloov screws.
Rationale: Nickel tsis kam rau corrosion los ntawm fatty acids thiab organic sib xyaw, sib xyaw nrog kev ntxuav tes thiab yooj yim ntawm kev tu, raws li txoj hlua khi, raws li txoj hlua khi, raws li txoj hlua khi ua kom huv si.
Aerospace thiab defense:
Daim ntawv thov: Cheebtsam rau cov lus qhia, Radar Electronics, thiab foob pob zeb lub cev muaj zog.
Rationale: Qhov tsis - sib yuav tau cov khoom tseem ceeb rau kev cuam tshuam nrog cov khoom sib nqus thiab cov khoom siv hluav taws xob.
Caustic evaporation thiab Alkaline Ntau Lawm:
Daim Ntawv Thov: Bolting, Rhaub Tub, thiab Pob Tawb Txhawb cov cuab yeej siv cov sodium hydroxide (Causic Soda). Txog siab {-} sov daim ntawv thov nyob rau hauv no sector, npib tsib xee 201 yog siv tshwj xeeb.
Cov Khoom Siv Hluav Taws Xob:
Daim Ntawv Thov: Lead Nplog Las, Hluav Taws Xob Cov Khoom Siv Hluav Taws Xob, thiab cov hom phiaj sputtering.
Rationale: kev ua hluav taws xob siab thiab muaj kev coj dawb huv.
Nyob rau hauv txhua kis, tig rov qab bar ua cov khoom siv rawatile los ntawm qhov siab {{0} {{1} {tsis tshua muaj neeg ua haujlwm.
5. Los ntawm kev tshaj tawm thiab kev ua kom muaj txiaj ntsig zoo yuav tsum tau teev tseg thaum xaj ATM B160 puag ncig cov kab?
Ib qho meej thiab cov kev yuav khoom yuav khoom yog qhov tseem ceeb kom ntseeg tau cov khoom tau txais yog haum rau nws lub hom phiaj npaj. Cov kev tsis tseem ceeb los qhia rau muaj xws li:
ASTM Txuj Ci: Pom meej lub xeev Astm B160.
Alloy Tsim Qauv: Qhia kom meej cov naj npawb tsis yog - Nick200 (Nickel 200) lossis N02201 (Tsib Hlis 201). Qhov no yog qhov tseem ceeb tshaj plaws.
Zauv / Templas: txhais tau tias lub xeev yuav tsum tau ua, xws li anealed, kub}} - kos.
Qhov loj me: qhia meej lub taub (thiab kev ua siab ntev), ntev, thiab ncaj ncaj thev taus.
Tshuaj lom neeg siv tshuaj: Thaum tus qauv piav qhia qhov no, cov ntawv thov tshwj xeeb yuav xav tau kev tswj hwm kev tswj hwm ntawm qee yam. Kev ntsuas zeb xeem (MT) yuav tsum muaj cai ua raws cai.
Cov Cuab Yeej Siv Cov Neeg Kho Tshuab: Qhia meej lub zog uas yuav tsum muaj zog, kom muaj zog, thiab elongation. Tus qauv muaj tsawg kawg nkaus, tab sis cov nqi tshwj xeeb tuaj yeem hu tau.
Nto tiav: Qhia kom meej "kub -}} descaled," "} peels" tiav.
Daim ntawv pov thawj: Yuav tsum muaj ntawv pov thawj zeb pov thawj (Mtr / CMT / CMTr) uas tau muab cov khoom siv ua kom sov ntau thiab tshaj tawm nws ua tau raws li txhua yam tshuaj thiab kho tshuab.
End -}}} siv cov kev xav tau: yog tias qhov kev kuaj ntshav rau sab hauv lossis kev sim sab hauv tsev yuav tsim nyog.
Los ntawm kev muab cov ncauj lus qhia ntxaws ntxaws no, tus neeg yuav khoom muaj cov khoom siv ASTM B160 Round ua tau zoo rau kev tsim khoom thiab txhim khu kev ua haujlwm ntev.
