Qhov sib txawv ntawm EN 1.7230 steel thiab npib tsib xee 600
EN 1.7230 yog chromium -molybdenum steel (ferroalloy) paub txog nws lub zog; thaum Nickel 600 (Alloy 600, UNS N06600) yog siab -nickel alloy nrog corrosion kuj zoo heev, tshwj xeeb tshaj yog nyob rau hauv chlorides, thiab zoo heev high - kub ua haujlwm. Lawv lub ntsiab sib txawv yog nyob rau hauv lawv lub hauv paus muaj pes tsawg leeg (hlau thiab npib tsib xee) thiab cov ntaub ntawv tau txais: steel yog siv rau lub zog dav / hardness, thaum Nickel 600 yog siv rau huab cua kub / corrosion kuj.
Inconel 600 khoom yog dab tsi?
Inconel 600 yog npib tsib xee-chromium alloy nrog zoo heev -kub oxidation tsis kam thiab zoo corrosion kuj nyob rau hauv carburizing thiab chloride- muaj ib puag ncig. Inconel 600 yog npib tsib xee -chromium alloy tsim los siv rau hauv ib puag ncig xws li qhov kub thiab txias (txog 2000℃F / 1093℃).
EN 1.7230 yog qhov qis- alloy nruab nrab- carbon quenched thiab tempered steel (cov qib sib xws suav nrog 34CrNiMo6). Nws cov yam ntxwv tseem ceeb yog lub zog siab heev, zoo heev toughness, thiab zoo hardenability tiav los ntawm kev sib xyaw ua ke ntawm chromium, npib tsib xee, thiab molybdenum thiab quenching thiab tempering tshav kub kho. Nws yog tshwj xeeb yog siv los tsim cov khoom hnyav heev- cov khoom ua haujlwm uas tiv taus kev ntxhov siab, kev cuam tshuam loj, thiab cov khoom sib hloov, xws li cov cav ntoo hauv hiav txwv crankshafts, lub zog loj, hnyav- lub luag haujlwm tsheb axles, dav hlau tsaws iav, thiab siab - kev sib txuas rods. Nws yog ib qho tseem ceeb ntawm cov khoom siv nrog cov khoom siv ua haujlwm siab heev hauv kev siv tshuab engineering, tsheb hnyav, thiab lub zog xa hluav taws xob.
Nickel 600 (tseem hu ua Inconel 600) yog npib tsib xee -chromium-raws li cov tshuaj tiv thaiv kom muaj zog cua sov-cov hlau tsis muaj zog nrog cov qauv austenitic, muaj qhov kub zoo heev - kub lub zog, corrosion kuj, thiab oxidation tsis kam. Txawm hais tias feem ntau muab faib ua "stainless steel," nws yog nruj me ntsis hais lus nickel-raws li alloy (nickel cov ntsiab lus Ntau dua lossis sib npaug li 72%), txawv ntawm cov chromium ib txwm muaj -nickel stainless hlau (xws li 304){11}} Cov Khoom Siv Tshuaj (ASTM B168 Standard) (1) Resistant Oversistance kom dilute hydrochloric acid, sulfuric acid, thiab phosphoric acid (tsis yog - oxidizing acids), tab sis kev ua tau zoo deteriorates nyob rau hauv concentrated hydrochloric acid los yog siab - kub sulfuric acid. Alkaline Media: Ua tau zoo heev rau caustic alkalis (xws li NaOH), tshwj xeeb tshaj yog nyob rau hauv siab -kub molten alkalis. Chloride Ib puag ncig: Kev tiv thaiv zoo dua rau pitting thiab crevice corrosion dua 304 stainless hlau, tab sis tsis zoo li molybdenum -muaj Inconel 625.
EN 1.7230 Hlau (G34CrMo4)
Hom:Hlau-raws li alloy steel.
Cov ntsiab lus tseem ceeb ntawm alloying:Chromium (Cr) thiab Molybdenum (Mo), thiab ib qho tseem ceeb ntawm Hlau (Fe).
Main siv:Engineering steel, zoo zog thiab hnav tsis kam, feem ntau xav tau kev kho cua sov.
Khoom:Zoo txhua yam muaj zog, tab sis tsis haum rau huab cua corrosive lossis siab - qhov kub thiab txias xws li Nickel 600.
Nickel 600 (UNS Nr 6600)
Hom:Nickel{0}}raws li superalloy.
Cov ntsiab lus tseem ceeb ntawm alloying:Cov ntsiab lus nickel siab (tsawg kawg 72%), cov ntsiab lus chromium (14-17%), cov ntsiab lus hlau (6-10%).
Main siv:Siab -kub, corrosive ib puag ncig (kev ua tshuaj lom neeg, aerospace).
Yam ntxwv:Cov tshuaj tiv thaiv zoo heev rau cov tshuaj chlorides (txawm tias qhov kub thiab txias / siab concentrations), tsis kam mus rau siab -kub oxidation thiab alkaline tov corrosion, tsis yog{1}}sib nqus, tswj lub zog ntawm qhov kub siab (txog li 2000℃F / 11093℃).
Kev sib piv tshuaj lom neeg: EN 1.7230 Steel vs. Nickel 600
| Element | EN 1.7230 Hlau (Alloy Steel, 25CrMo4) | Nickel 600 (UNS N06600) Cov khoom siv |
|---|---|---|
| Hlau (Fe) | Tshuav (~96-97%) | 6.0 - 10.0 % |
| Nickel (Ni) | – | Ntau dua lossis sib npaug li 72.0% |
| Chromium (Cr) | 0.90 - 1.20 % | 14.0 - 17.0 % |
| Molybdenum (hli) | 0.15 - 0.30 % | – |
| Manganese (Mn) | 0.60 - 0.90 % | Tsawg dua lossis sib npaug li 1.00% |
| Cov pa roj carbon (C) | 0.22 - 0.29 % | Tsawg dua lossis sib npaug li 0.15% |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.40% | Tsawg dua lossis sib npaug li 0.50% |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.015% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.015% |
| Copper (Cu) | – | Tsawg dua lossis sib npaug li 0.50% |
Kev sib piv: EN 1.7230 Steel vs. Nickel 600
| Kev lag luam / Daim Ntawv Thov Cheeb Tsam | EN 1.7230 Hlau (25CrMo4) | Nickel 600 |
|---|---|---|
| Kev faib khoom siv | Siab -Lub zog qis-Alloy (HSLA) Cov Qauv Hlau | Siab -Kev Ua Haujlwm Nickel-Chromium Alloy |
| Core Application Principple | Xaiv rausiab tensile thiab yield zog, zoo toughness, thiab qaug zog kuj nyob rau hauv mechanically demanding, tsis yog -corrosive ib puag ncig. | Xaiv rauTshwj xeeb corrosion kuj, siab -kub lub zog, thiab oxidation kuj nyob rau hauv hnyav tshuaj los yog thermal ib puag ncig. |
| Automotive & Tsheb thauj mus los | Kev Siv Tseem Ceeb: Siab- cov khoom siv kev ntxhov siab xws li crankshafts, txuas rods, qag kab teeb, lub zog, thiab cov kauj ruam. | Kev siv tsawg; rau niche siab - kub Cheebtsam xws li turbocharger vaj tse los yog tso li qub nyob rau hauv kev ua tau zoo cav. |
| General Machinery & Khoom hnyav | Ncej, spindles, bolts, studs, hydraulic thooj voos kheej kheej, thiab siab - lub zog structural qhov chawnyob rau hauv presses, cranes, thiab mining khoom. | Tshwj xeeb fasteners, springs, thiab instrument parts for corrosive or high -temperature service in machinery. |
| Roj & Gas (Downhole / Wellhead) | Laum dab tshos, cuab yeej pob qij txha, mandrels, thiab lwm yam siab -lub zog, siab- muaj cov khoom(tiv thaiv corrosion los ntawm ib puag ncig lossis txheej txheej). | Downhole instrumentation Housing, wellhead Cheebtsamrau siab -kub, tsis yog- kev pabcuam qaub. |
| Fais fab Generation (Turbines) | Turbine shafts, bolts, thiab lwm yam siab -lub zog rotating/static Cheebtsamnyob rau hauv chav thiab roj turbines (ua haujlwm huv, tswj ib puag ncig). | combustion poom, thermocouple sheaths, turbine seals, thiab siab -kub bolting. |
| Tshuaj & Petrochemical | Tsis siv nyob rau hauv cov txheej txheem -wetted thaj chaw. Siv raukev txhawb nqa cov qauv, platforms, thiab valve lub cev(ntau xim / coated). | Kev Siv Tseem Ceeb: Rauv muffles, retorts, kub exchanger tubing, thiab khoom siv rau caustic (NaOH) ntau lawm. |
| Aerospace | Siv nyob rau hauv cov khoom siv tsaws iav, lub cav mounts, thiab lwm yam siab -lub zog airframe qhov chaw (yuav tsum muaj kev tiv thaiv nruj). | combustion chamber Cheebtsam, turbine seals, thiab siab -kub cav hardware. |
Cov ntsiab lus tseem ceeb ntawm qhov sib txawv ntawm EN 1.7230 thiab Nickel 600
Khoom siv hauv paus: Hlau (hlau) vs. Nickel.
Corrosion Resistance: EN 1.7230 yog cov khoom siv txheem, thaum Nickel 600 ua tau zoo heev hauv cov tshuaj hnyav hnyav / chlorinated / alkaline ib puag ncig.
Kub: EN 1.7230 tsim nyog rau kev siv dav dav; Nickel 600 yog qhov tsim nyog rau qhov kub siab tshaj - ib puag ncig.
Tus nqi: Nickel alloys feem ntau kim dua li cov hlau.
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