Inconel 686 Hlau (ASTM B166, W.Nr. 2.4606)
Khoom Taw Qhia
Inconel 686 (ASTM B166, W.Nr. 2.4606) yog npib tsib xee-chromium-molybdenum-tungsten-raws li khoom- daws- muaj zog alloy. Nws sawv tawm raws li "tag nrho-rounder" ntawm cov nickel{12}}raws li corrosion{13}}resistant alloys.
Qhov zoo tshaj plaws feature ntawm cov khoom no nyob rau hauv nws muaj pes tsawg leeg: nws muaj ntau tshaj 15% molybdenum thiab ntawm 3% thiab 4.4% tungsten. Feem ntau cov npib tsib xee-raws li alloys yuav siab nyob rau hauv molybdenum los yog chromium- txhais tau tias lawv yog optimized los daws tsuas yog ib hom kev sib tw corrosive. Alloy 686, txawm li cas los xij, muaj zog ntawm ob sab pem hauv ntej: nws cov ntsiab lus molybdenum muab kev tiv thaiv kom tsis txhob muaj cov kua qaub (xws li hydrochloric thiab sulfuric acids), thaum nws cov ntsiab lus chromium muaj kev tiv thaiv oxidizing acids (xws li nitric acid thiab acids uas muaj oxidizing agents). Tsis tas li ntawd, cov ntsiab lus tungsten txhim kho nws txoj kev ruaj ntseg ntawm qhov kub siab. Yog li ntawd, nws muaj peev xwm tuav nws tus kheej hauv kev sib xyaw-acid ib puag ncig qhov twg cov tshuaj lom neeg muaj pes tsawg leeg tsis zoo- txhais lossis hloov pauv ntau. Cov khoom siv no tau raug kho tshwj xeeb rau kev thov siv xws li tshuaj lom neeg pov tseg acid kho, flue gas desulfurization, thiab hydrometallurgy.
Tej kev siv
Cov ntawv thov rau Inconel 686 alloy muaj xws li:
- Kev ua tshuaj lom neeg:Reactors thiab piping rau tuav cov kua qaub sib xyaw uas muaj cov tshuaj chloride thiab fluoride ions
- Flue Gas Desulfurization:FGD system spray headers, agitators, thiab liners
- Marine Engineering:Fasteners thiab twj tso kua mis / valve Cheebtsam rau seawater txias tshuab
- Roj thiab Gas Extraction:Cov cuab yeej Downhole rau qhov chaw acidic uas muaj H₂S thiab CO₂
- Kev lag luam Nuclear:Nuclear pov tseg cov cuab yeej ua haujlwm
- Pollution Control:Flue gas purification systems rau khib nyiab incineration
Machining thiab Vuam
Inconel 686 yog cov khoom siv ua haujlwm siab -; nws machining thiab vuam yuav tsum tau tshwj xeeb tuav.
1. Vuam - Qhov sib txuam muab tub lim hlau yog 686 CPT.
Thaum vuam 686, nws yog qhov zoo tshaj plaws los siv qhov sib txuam 686 muab tub lim (ERNiCrMo-14); Tsis tsuas yog ua nrog 625 muab tub lim. Thaum tshav kub kub input yuav tsum tau ua tib zoo tswj; Cov khoom siv hluav taws xob ntau dhau ua rau cov txheej txheem ntxhib ntxhib, uas cuam tshuam qhov corrosion kuj ntawm wel
2. Ua haujlwm txias - Kev ua haujlwm hnyav yog qhov tseem ceeb; intermediate annealing yog yuav tsum tau.
3. Kub Ua Haujlwm - Qhov rai qhov kub yog 1150-1200℃.
4. Kev kho cua sov - Kev kho cua sov yog qhov tseem ceeb.
5. Machining - Carbide tej cuab yeej yog qhov tseem ceeb.
Yog xav paub ntxiv, thov hu rau:
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Tshuaj muaj pes tsawg leeg
(UNS N06686 / Inconel 686)
| keeb | Cov ntsiab lus ntau |
| Ni | Ntau dua lossis sib npaug li 58.0% |
| Mo | 15.0-17.0% |
| Cr | 19.0-23.0% |
| W | 3.0-4.4% |
| Fe | Tsawg dua lossis sib npaug li 5.0% |
| Ti | 0.02-0.25% |
| Si / Mn / S / Si | Taug qab tus nqi |
Mechanical Properties
(Inconel 686 Hlau, Kev daws teeb meem-Annealed)
| Khoom siv | Tus nqi |
| Tensile zog (Annealed) | 700-830 MPa(100-120 hli) |
| Lub zog muaj zog (0.2%) | ~ 310-355 MPa |
| Elongation | Ntau dua lossis sib npaug li 30-40% |
| Tensile Strength (Lub caij nplooj ntoos hlav-Tempered Condition) | 1200-1600 MPa (174-232 ksi) |
| Melting Point Range | 1338-1380 degree |
| Elastic Modulus | 205-207 GPa |
| Ua haujlwm kub (ntev-lub sijhawm) | Nce mus txog 1000 degree |
Peb Qhov Kev Pom Zoo Raws li Kev Paub:
Alloy 686 hlau tuaj yeem ua rau lub caij nplooj ntoos hlav- tempered mob, ua tiav lub zog tensile ntawm 1200-1600 MPa. Qhov no txhais tau hais tias, ntxiv rau kev ua haujlwm corrosion-cov khoom siv tiv thaiv, nws tuaj yeem siv ncaj qha los tsim cov siab- lub zog springs thiab fasteners, yog li ua ib qho kev hloov pauv rau cov tsoos caij nplooj ntoos hlav steels hauv ib puag ncig corrosive.
Kev Sib Tham Txog Kev Sib Tham Ua Ntej Tshaj Tawm
Peb tau sau cov ntsiab lus ntawm cov ntsiab lus tseem ceeb ntawm Inconel 686- cov ntsiab lus nquag sib tham thaum cov lus nug yav dhau los thiab kev txiav txim yuav khoom-los pab txhawb kev hais tawm sai.
Txoj kab uas hla:Xws li los ntawm ultra-cov xov hlau zoo (0.025 hli) mus rau cov xov hlau tuab (ntau millimeters)-qhov tshwj xeeb tshwj xeeb thiab kwv yees qhov kev txiav txim yog dab tsi?
Qhov xwm txheej:Yam twg yuav tsum tau muaj? Annealed (mos) los yog Caij nplooj ntoos hlav-tempered (nyuaj / siab- zog)?
Nto tiav:Bright, Pickled, lossis Coated?
Ntev / Ntim:Ncaj ntev los yog Spools?
Ntawv pov thawj:Puas yog NACE MR0175 daim ntawv pov thawj (rau cov roj qaub thiab roj ib puag ncig) xav tau?
Kev Pabcuam:Dab tsi yog cov haujlwm tshwj xeeb rau cov hlau?
Daim ntawv thov:Puas yog nws npaj rau cov kav dej los yog cov kav dej hiav txwv?
Cim npe nrov: inconel 686, alloy hlau, ASTM B166, w.nr. 2.4606, Tuam Tshoj inconel 686 hlau manufacturers, hoobkas
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