Koj xav tau lub zog siab thiab kev ua haujlwm ntawm qhov kub siab rau cov tshuab aerospace. Inconel 718 muab qhov txiaj ntsig no, ua rau ntau dua 30% ntawm cov khoom tiav tiav hauv cov tshuab dav hlau niaj hnub. Yog hais tias koj qhov tseem ceeb yog superior corrosion kuj thiab yooj, Inconel 625 stands. Thaum koj piv Inconel 718 vs. Inconel 625, tsom ntsoov rau koj daim ntawv thov kev thov. Cov lus qhia no pab koj xaiv qhov zoo tshaj plaws superalloy rau koj qhov project aerospace.
Ntsiab Cai
Inconel 718 yog qhov zoo tagnrho rau kev siv lub zog siab, tshwj xeeb tshaj yog nyob rau hauv qhov chaw uas ntsib qhov hnyav thiab kub txog li 700 degree.
Inconel 625 excels nyob rau hauv corrosion kuj thiab saj zawg zog, ua rau nws haum rau lub Cheebtsam raug rau hnyav tshuaj thiab kub.
Xav txog cov kev xav tau tshwj xeeb ntawm koj qhov project aerospace, xws li lub zog, qhov kub thiab txias, thiab kev tiv thaiv corrosion, thaum xaiv ntawm ob lub alloys.
Ob leeg yuav tsum tau tshwj xeeb machining thiab vuam cov tswv yim, tab sis Inconel 625 feem ntau yooj yim rau vuam dua Inconel 718.
Siv tsob ntoo txiav txim siab los coj koj txoj kev xaiv, tsom mus rau koj cov kev xav tau tseem ceeb tshaj plaws kom tsis txhob muaj qhov yuam kev kim.
Tshuaj muaj pes tsawg leeg
Thaum koj piv npib tsib xee 625 vs 718 tshuaj lom neeg muaj pes tsawg leeg, koj pom ob qho tib si alloys muaj nickel thiab chromium ua lawv cov ntsiab lus tseem ceeb. Txawm li cas los xij, txhua lub alloy muaj ntau yam ntxiv uas cuam tshuam rau lawv cov kev ua tau zoo hauv kev siv aerospace.
| Alloy | Cov ntsiab lus tseem ceeb | Cov ntsiab lus ntxiv |
|---|---|---|
| ib 718 | Nickel, Chromium | Hlau, Molybdenum, Niobium, Columbium |
| Ib 625 | Nickel, Chromium | Molybdenum, Niobium |
Cov kev sib txawv ntawm cov tshuaj pleev ib ce ua rau cov khoom siv tshwj xeeb rau txhua lub alloy. Inconel 718 suav nrog cov ntsiab lus ntxiv dag zog, uas ua rau nws muaj zog dua. Inconel 625 tsom rau cov ntsiab lus uas txhawb kev tiv thaiv corrosion zoo dua.
Purity
Koj xav paub qhov purity ntawm cov npib tsib xee alloys vim impurities tuaj yeem cuam tshuam rau lawv cov khoom siv dag zog thiab corrosion kuj. Ob qho tib si inconel 718 thiab inconel 625 tswj cov qib sulfur thiab phosphorus tsawg heev, uas pab ua kom muaj kev ua tau zoo ib yam.
| Alloy | Hom Sulfur (%) | Phosphorus (%) | Lwm yam tseem ceeb impurities (%) |
|---|---|---|---|
| Ib 625 | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.015 | Si Less tshaj los yog sib npaug rau 0.50, Mn Less dua los yog sib npaug rau 0.50 |
| ib 718 | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.015 | Si Less tshaj los yog sib npaug rau 0.35, Mn Less dua los yog sib npaug rau 0.35 |
Cov khoom tseem ceeb
Cov khoom siv kho tshuab ntawm inco 718 & 625 teeb lawv sib nrug rau qhov sib txawv aerospace xav tau. Nov yog kev sib piv kev ua tau zoo ntawm lawv lub zog tseem ceeb:
| Cov khoom | Ib 625 | ib 718 |
|---|---|---|
| Tensile zog | 790-910 MPa | 930-1530 MPa |
| Yield zog | 320-450 MPa | 510-1330 MPa |
| Elongation ntawm Break | 33–34% | 12–50% |
| Kub Resistance | Mus txog 980 degree | Txog li 700 degree |
| Corrosion Resistance | Superior | Zoo |
| Weldability | Zoo heev | Zoo |
| Nqi | Siab dua | Nruab nrab |
Koj pom tias inconel 718 muaj lub zog siab thiab zoo tagnrho rau qhov chaw uas yuav tsum tau ua haujlwm hnyav. Inconel 625 stands rau superior corrosion kuj thiab siab kub txwv. Qhov sib txawv ntawm qhov tsim nyog kub ntawm uns n06625 thiab uns n07718 cov khoom yog qhov tseeb: koj tuaj yeem siv inconel 625 ntawm qhov kub siab dua, thaum inconel 718 yog qhov zoo tshaj plaws rau siab zog mus txog 700 degree.
Corrosion Resistance
Inconel 625 muab superior corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv hnyav tshuaj ib puag ncig. Koj tau txais txiaj ntsig los ntawm nws cov ntsiab lus siab chromium thiab molybdenum, uas tiv thaiv cov tshuaj phem thiab dej ntsev. Inconel 718 muaj qhov zoo oxidation tsis kam, tab sis tsis haum rau corrosion kuj ntawm inconel 625.
Thermal Properties
Lub thermal zog ntawm uns n06625 & n07718 qhia tias inconel 625 tuaj yeem ua haujlwm ntawm qhov kub siab dua. Qhov no ua rau nws yog qhov kev xaiv zoo dua rau cov pa hluav taws xob thiab cov ntaub thaiv hluav taws xob. Inconel 718 ua tau zoo ntawm qhov kub siab, tab sis tsuas yog txwv rau li 700 degree.
Main Standards
Koj yuav tsum ua raws li cov qauv nruj hauv kev tsim khoom hauv aerospace. Ob qho tib si inconel 718 thiab inconel 625 ua tau raws li ntau yam thoob ntiaj teb thiab kev lag luam- cov qauv tshwj xeeb.
| Txuj | Siv tau Alloy |
|---|---|
| TIAB SA 5599 | Ib 625 |
| TIAB SA 5666 | Ib 625 |
| TIAB SA 5837 | Ib 625 |
| TIAB SA 5832 | ib 718 |
| TIAB SA 5664 | ib 718 |
| ASTM B 443 Gr 1 | Ib 625 |
| ASTM B 446 Gr 1 | Ib 625 |
| ASTM B 444 / B 829 Cov khoom lag luam | Ib 625 |
| ASTM B 705 / B 775 ASTM | ib 718 |
| TS EN 2.4856 | Ib 625 |
| ISO 15156-3 | Ib 625 |
| NACE MR0175-3 | Ib 625 |
Kev siv Aerospace
Koj yuav pom inconel 718 thiab inconel 625 nyob rau hauv ntau lub aerospace Cheebtsam, tab sis txhua lub alloy haum sib txawv raws li nws cov khoom siv.
Qauv Zauv: Inconel 718
Turbine rotating qhov chaw (shafts, blades, discs)
Airfoils rau qhov chaw aerodynamic
Txhawb cov qauv rau lub cav thiab airframe
Cov hlab ntsha siab hauv cov foob pob hluav taws
Inconel 625: xyuas.
Exhaust systems thiab tshav kub shields
Cav thrust reversers
Ducting systems raug corrosive gases
Cov khoom siv hauv tshuaj ua haujlwm hauv cov dav hlau
Thaum koj xav tau lub zog siab thiab ua haujlwm ntev, inconel 718 yog qhov koj xaiv zoo tshaj. Yog tias koj xav tau kev tiv thaiv corrosion zoo dua thiab yoog raws ntawm qhov kub siab dua, inconel 625 yuav pab tau koj zoo dua. Qhov kev sib piv ntawm qhov kev ua tau zoo no pab koj phim cov hlau zoo rau koj qhov kev xav tau aerospace.
Txoj Cai Xaiv
Mechanical Strength & Kub
Koj yuav tsum xav txog lub zog txhua yam thiab qhov kub thiab txias thaum xaiv ntawm inconel 718 thiab inconel 625 rau kev siv aerospace. Ob lub alloys tuaj yeem ua haujlwm ntawm qhov kub siab tshaj plaws txog 980℃(1800℃F). Txawm li cas los xij, koj yuav pom qhov sib txawv tseem ceeb hauv lawv qhov kev ua tau zoo ntawm qhov kub siab thiab nyob rau hauv cov xwm txheej hnyav:
Inconel 718 muaj zog dua txhua yam, tshwj xeeb tshaj yog siab dua 700 degree. Koj tuaj yeem tso siab rau cov hlau no rau cov khoom uas yuav tsum tuav cov khoom hnyav thiab kev ntxhov siab, xws li turbine discs thiab shafts.
Inconel 625 muab kev ruaj ntseg ruaj khov nyob rau hauv siab - qhov kub thiab txias ib puag ncig, tab sis nws lub zog txhua yam yog qis dua inconel 718. Tej zaum koj yuav xaiv cov hlau no rau cov khoom uas xav tau kev hloov pauv thiab tsis kam mus rau deformation ntau dua li lub zog siab tshaj plaws.
Corrosion Resistance
Kev tiv thaiv corrosion yog ib qho tseem ceeb hauv aerospace, tshwj xeeb tshaj yog rau cov khoom uas raug rau cov roj, cov kua dej hydraulic, lossis cov chaw hauv dej hiav txwv. Koj yuav pom tias inconel 625 stands rau nws zoo heev corrosion kuj nyob rau hauv ib tug ntau yam ntawm tej yam kev mob. Cov hlau no ua tau zoo tshwj xeeb hauv hydraulic tubing thiab marine daim ntaub ntawv, qhov twg raug rau ntsev tsuag thiab tshuaj lom neeg muaj ntau.
Inconel 718 kuj tiv thaiv corrosion, tab sis nws tsis haum rau qib ntawm kev tiv thaiv los ntawm inconel 625. Kev tshawb fawb qhia tau hais tias ob qho tib si alloys ua tau zoo tshaj tus qauv stainless hlau (xws li SS316L) hauv cov tshuaj tsuag ntsev. Tom qab 200 teev nyob rau hauv ib tug 5% NaCl tov ntawm 35 degree, ob alloy tsis pom kev puas tsuaj rau saum npoo los yog poob ceeb thawj. Qhov no ua rau ob qho tib si inconel 718 thiab inconel 625 haum rau cov mob hnyav, tab sis koj yuav tsum xaiv inconel 625 thaum corrosion kuj yog qhov tseem ceeb tshaj plaws.
Fabrication & Machinability
Koj yuav tsum xav txog qhov sib txawv machinability ntawm inconel 625 thiab 718 thaum npaj koj cov txheej txheem tsim khoom. Ob qho tib si alloys nyuaj rau tshuab vim lawv txoj kev xav kom tawv sai sai hauv kev ntxhov siab. Cov cuab yeej no nce cov cuab yeej hnav thiab xav tau cov txheej txheem siab heev.
| Alloy | Machinability Rating (AISI) |
|---|---|
| Ib 625 | 17% |
| ib 718 | 12% |
Inconel 625 yog me ntsis yooj yim rau tshuab dua inconel 718, tab sis ob qho tib si xav tau cov cuab yeej tshwj xeeb thiab cov neeg ua haujlwm txawj. Tej zaum koj yuav ntsib cov sij hawm tsim khoom ntev dua thiab cov nqi ntau dua vim yog cov teeb meem no. Vuam kuj tseem muaj teeb meem, tab sis inconel 625 feem ntau muab cov weldability zoo dua.
Nqi & Muaj
Koj yuav tsum ntsuas tus nqi thiab qhov muaj ntawm inconel alloys ua ntej koj xaiv qhov kawg. Inconel 625 feem ntau raug nqi ntau dua ib kilogram dua li inconel 718. Cov nqi tuaj yeem sib txawv raws cheeb tsam thiab xyoo, tab sis ntawm no yog cov ntsiab lus tsis ntev los no:
| Xyoo | Inconel 625 (USD / lb) |
|---|---|
| 2021 | $14 – $20 |
| 2022 | $30 – $50 |
| 2023 | $22 – $35 |
| 2024 | $18 – $28 |
| 2025 | $22 – $40 |
| Thaj Chaw / Qhov Chaw | 2025 Ntau Yam (USD per lb) |
|---|---|
| Teb Chaws Asmeskas (distributor) | $30 – $40 |
| Teb chaws Europe (mills / distributor) | $32 – $42 |
| Tuam Tshoj (lub Hoobkas nqi, ntau) | $22 – $32 |
Cov ntawv thov rau Inconel 718 thiab Inconel 625
Inconel 718 / UNS N07718 / W.Nr. 2.4668
Koj feem ntau xaiv inconel 718 rau siab - kev siv kev ntxhov siab hauv aerospace. Nickel 718 muab rau koj zoo heev qaug zog lub zog, creep kuj, thiab tej yam toughness. Cov alloy no khaws nws lub zog ntawm qhov kub thiab txias, uas ua rau nws zoo tagnrho rau kev xav tau ib puag ncig. Koj yuav pom npib tsib xee 718 hauv ntau qhov tseem ceeb hauv aerospace:
Turbine discs uas yuav tsum ua kom muaj kev sib hloov loj heev
Blisks (bladed disks) rau dav hlau cav
Cav casings uas tiv thaiv sab hauv qhov chaw los ntawm tshav kub thiab siab
Lub cav- cov khoom uas nyob ib sab uas yuav tsum tau muaj zog thiab kav ntev
Nickel 718 ua tau zoo nyob rau hauv daim ntawv thov scenarios qhov twg koj xav tau kev tiv thaiv rov qab kev ntxhov siab thiab kub kub. Koj tuaj yeem tso siab rau cov hlau no rau cov roj turbines, dav hlau cav, thiab foob pob hluav taws motors. Nws cov kev tiv thaiv corrosion kuj tseem pab tau rau qhov chaw nruj heev, xws li cov uas pom hauv cov roj thiab roj kev lag luam.
Tswv yim: Thaum koj xav tau cov khoom uas tiv thaiv deformation thiab tawg nyob rau hauv qhov kev cuam tshuam tam sim ntawd, npib tsib xee 718 sawv tawm raws li kev xaiv saum toj kawg nkaus rau kev siv aerospace.
Inconel 625 / UNS N06625 / W.Nr. 2.4856
Koj xaiv inconel 625 thaum koj xav tau kev tiv thaiv corrosion zoo dua thiab yoog raws ntawm qhov kub thiab txias. Nickel 625 ua haujlwm zoo hauv cov khoom siv hauv aerospace uas ntsib kev ua haujlwm hnyav lossis thermal cycling. Cov lus hauv qab no qhia tau hais tias qhov sib txawv aerospace tau txais txiaj ntsig los ntawm inconel 625:
| Aerospace Khoom | Cov txiaj ntsig ntawm Inconel 625 |
|---|---|
| Gas Turbine Cav | Siab - kub lub zog, oxidation kuj, qaug zog kuj |
| Rocket Engines | Siab -kub stability, tiv thaiv thermal cycling |
| Thaum tshav kub kub Shields rau Spacecraft | Exceptional tshav kub kuj, oxidation kuj |
| Seals thiab Gaskets | Siab tiv taus oxidation thiab thermal degradation |
Nickel 625 kuj tseem muaj nyob rau hauv lub tshuab tso pa tawm, ducting, thiab cov ntaub thaiv cua sov. Koj yuav pom cov hlau no siv nyob rau hauv daim ntawv thov scenarios qhov twg yuav raug corrosive gases los yog dej ntsev. Inconel 625 kuj pom siv nyob rau hauv cov roj thiab roj industries, qhov twg nws tsis kam mus rau aggression tshuaj muaj nuj nqis.
Lus Cim: Yog tias koj xav tau cov khoom siv uas tuaj yeem ua rau ob qho tib si kub thiab corrosive ib puag ncig, inconel 625 muab kev ua tau zoo rau koj thoob plaws ntau lub dav hlau thiab kev lag luam.
FAQ
Dab tsi yog qhov txawv ntawm Inconel 718 thiab Inconel 625?
Koj yuav pom Inconel 718 muab koj lub zog siab dua ntawm qhov kub siab. Inconel 625 muaj kev tiv thaiv corrosion zoo dua thiab yoog raws. Xaiv Inconel 718 rau cov khoom hnyav. Xaiv Inconel 625 rau cov tshuaj hnyav hnyav lossis ib puag ncig marine.
Tswv yim: Sib piv cov alloy rau koj qhov tseem ceeb tshaj plaws yuav tsum tau.
Koj puas tuaj yeem txuas ob Inconel 718 thiab Inconel 625 yooj yim?
Koj tuaj yeem welding ob qho tib si alloys, tab sis Inconel 625 yooj yim dua rau vuam. Inconel 718 yuav xav tau cov tswv yim tshwj xeeb kom tsis txhob tawg. Ib txwm siv cov kws txawj welders thiab cov txheej txheem tsim nyog kom tau txais txiaj ntsig zoo tshaj plaws.
Dab tsi alloy raug nqi ntau dua rau cov phiaj xwm aerospace?
Feem ntau koj yuav them ntau dua rau Inconel 625. Nws raug nqi ntau dua ib phaus dua Inconel 718. Npaj koj cov peev nyiaj kom zoo yog tias koj xav tau ntau ntawm Inconel 625.
Inconel 625: Tus nqi siab dua
Inconel 718: Tus nqi nruab nrab
Yuav ua li cas koj xaiv qhov zoo alloy rau koj qhov chaw aerospace?
Koj yuav tsum sau koj qhov project xav tau. Tsom ntsoov rau lub zog, kub, corrosion, thiab fabrication. Siv daim ntawv txheeb xyuas lossis tsob ntoo txiav txim. Txoj hauv kev no pab koj xaiv cov hlau zoo tshaj plaws rau koj daim ntawv thov.
Nco tseg: Nco ntsoov xyuas koj tus qauv tsim thiab ib puag ncig ua ntej xaiv qhov kawg.
Peb cov khoom lag luam
| Daim ntawv khoom | Txheem Specifications & Dimensions | Common Alloys (Piv txwv) | Hom qauv |
|---|---|---|---|
| Bar & Rod | Round Bar:Txoj kab uas hla: 3mm ~ 300mm Hexagon Bar:Hla Flats: 5mm ~ 100mm Square Bar:Dav: 5mm ~ 150mm Ntev:Random, Txiav- mus rau -ntev, los yog Coils (me me diameters) |
Alloy 200/201 Monel 400 / K-500 Inconel 600/601/625/718 Incoloy 800/800H/825 Hastelloy C-276/C-22/B-2/B-3 |
ASTM B160, B164, B166 EN/DIN 2.4066, 2.4816, 2.4851 ASME SB-166, SB-167 |
| Hlau | Txoj kab uas hla:0.1mm ~ 12 hli Daim ntawv:Coils, spools, los yog ncaj lengths Ua tiav:Ci, pickled, annealed |
Alloy 200/201 Inconel 600/625/X-750 lus 825 |
ASTM B166, B167 EN/DIN 17752 |
| Daim Ntawv & Phaj | Thickness (daim ntawv):0.1mm ~ 5.0 hli Thickness (hli):5.0mm ~ 100mm + Dav:Txog li 2000mm (nyob ntawm alloy / thickness) Ntev:Txog li 6000mm lossis raws li xav tau |
Alloy 200/201 Monel 400 Inconel 600/625/718 Incoloy 800H/825 Hastelloy C-276 |
ASTM B162, B168, B409 EN/DIN 17742, 17744 |
| Sawb & Ntawv Nyiaj | Thickness (hli):0.05mm ~ 2.0 hli Thickness (hli):0.02mm ~ 0.05 hli Dav:Txog li 600mm Qhov xwm txheej:Cold dov, annealed, tempered |
Alloy 200/201 Inconel 600/625 lus 825 |
ASTM B162, B168 |
| Tube & Tube | Seamless Yeeb Nkab (ASTM B161 / B167): - OD: 3/16 "~ 14" (6mm ~ 355mm) - Teem caij: SCH 5S to XXS Welded Tube (ASTM B163 / B516): - OD: 6mm ~ 300mm - Phab ntsa Thickness: 0.5mm ~ 10mm |
Alloy 200/201 Monel 400 Inconel 600/625 Incoloy 800H/825 Hastelloy C-276 |
ASTM B161, B163, B167, B516 ASME SB-163, SB-167 |
Tau txais cov khoom catalog tiav
Peb lub Hoobkas thiab kuaj
Peb lub Hoobkas tseem ceeb thiab kev sib koom ua haujlwm tsim khoom tau nruab nrog cov cuab yeej niaj hnub precision txiav, ua, thiab cov cuab yeej kho cua sov, tsom mus rau kev hloov cov ntaub ntawv raw mus rau hauv ib nrab - cov khoom tiav thiab cov khoom tiav uas ua tau raws li cov qauv nruj. Txhawm rau kom ntseeg tau tias txhua pawg ntawm cov khoom ua tau raws li lossis dhau qhov kev qhia tshwj xeeb, peb tau tsim kom muaj qhov kawg -kom- xaus qhov kev tshuaj xyuas zoo. Los ntawm cov khoom siv tshuaj ntsuam xyuas (PMI) raws li cov khoom siv raw khoom mus rau qhov tseeb qhov tseeb ntawm kev tsim khoom thaum lub sijhawm tsim khoom, thiab thaum kawg mus rau kev ntsuas cov cuab yeej cuab tam (xws li tensile lub zog thiab hardness) thiab tsis yog - kuaj kev puas tsuaj ua ntej khoom xa tuaj zaum kawg, txhua kauj ruam yog nruj me ntsis tswj los ntawm peb pab neeg soj ntsuam zoo. Peb cog lus tias yuav muab cov ntawv pov thawj, hauv online-cov ntaub ntawv pov thawj thawj cov chaw tsim khoom daim ntawv pov thawj (MTC 3.1) rau txhua qhov kev txiav txim, thiab tuaj yeem npaj rau thib peb -cov ntaub ntawv pov thawj (xws li SGS, BV, thiab TUV) los ua - qhov chaw tshuaj xyuas thiab muab daim ntawv pov thawj raws li cov neeg siv khoom thov.
