ib 718yog cov nag lossis daus -nickel hardening-raws li alloy uas ua rau pom cov txiaj ntsig zoo, lub zog tensile, thiab creep rupture zog ntawm qhov kub thiab txias mus txog1300 ° F (704 ° F). Nws lub hnub nyoog qeeb tshwj xeeb- cov yam ntxwv hardening tiv thaiv tsis muaj zog thaum lub sij hawm annealing thiab welding, ua rau cov weldability zoo dua piv rau aluminium -titanium hardening nickel-raws li superalloys. Nws yog dav siv nyob rau hauv dav hlau cav, siab - ceev aircraft structural Cheebtsam, thiab cov khoom tseem ceeb ntawm cov khoom siv zog.
Nyem kom tau Inconel 625 cov khoom lag luam
Inconel 718 - Txoj Kev Mus-Rau Cov Khoom Siv rau Aerospace & Energy Applications ntawm 1300℃F
Inconel 718 - Txoj Kev Mus-Rau Cov Khoom Siv rau Aerospace & Energy Applications ntawm 1300℃F
Inconel 718 yog nag lossis daus -nickel hardening{2}}chromium superalloy tau txais txiaj ntsig zoo rau nws lub peev xwm los tuav lub zog tensile siab heev, qaug zog, thiab creep rupture zog ntawm qhov kub txog li 1300℃F (704℃). Nws qhov ua tau zoo tshaj plaws ntawm kev ua haujlwm kub, oxidation tsis kam, thiab kev tiv thaiv tom qab -weld cracking ua rau nws nyiam cov khoom siv rau cov khoom tseem ceeb hauv aerospace thiab lub zog.
Qhov kub siab tshaj plaws rau Inconel 718 yog dab tsi?
Qhov siab tshaj plaws ua haujlwm kub ntawm Inconel 718 nyob ntawm nws daim ntawv thov tshwj xeeb:
High -cov ntaub ntawv muaj zog:Mus txog 1200℃F txog 1300℃F (650℃txog 700 degree). Lub sij hawm raug rau qhov kub siab tshaj 1200℃F (650 degree) yuav txo tau lub zog ntawm cov khoom siv.
Oxidation / fouling kuj:Mus txog 1800℃F (980 degree).
Short-lub sij hawm hloov pauv qhov kub thiab txias:Mus txog 1385℃F (750 degree).
1. Inconel 718 Chemical Composition (wt%)
| Element | Min (%) | Max (%) | Element | Min (%) | Max (%) | |
|---|---|---|---|---|---|---|
|
|
Nickel + Cobalt | 50.0 | 55.0 | Aluminium | 0.35 | 0.80 |
| Chromium | 17.0 | 21.0 | Molybdenum | 2.80 | 3.30 | |
| Hlau | Tshuav | - | Titanium | 0.65 | 1.15 | |
| Cobalt | - | 1.00 | Boron | 0.001 | 0.006 | |
| Cov pa roj carbon | - | 0.08 | Tooj | - | 0.15 | |
| Manganese | - | 0.35 | Niobium + Tantalum (Cb + Ta) | 4.75 | 5.50 | |
| Silicon | - | 0.35 | Phosphorus | - | 0.015 | |
| Sulfur | - | 0.015 |
2. Inconel 718 Lub cev muaj zog
| Khoom | Imperial Units | Metric Units |
|---|---|---|
| Qhov ntom | 0.293 lb/in³ | 8.22 g / cm³ |
| Melting Range | 2200 - 2450℃F | 1204 - 1343 degree |
| Hluav taws xob Resistivity | 728 Ω mil/ft rau | 1210 µΩ·mm |
3. Inconel 718 Modulus Ntawm Elasticity Vs. Kub
| Kub (degree F) | Kub (degree) | Modulus ntawm Elasticity |
|---|---|---|
| 70 | 21 | 29.6 × 10⁶ psi (208 GPa) |
| 1200 | 649 | 24.5 × 10⁶ psi (172 GPa) |
| 1750 | 954 | 11.1 × 10⁶ psi (78 GPa) |
4. Inconel 718 Coefficient ntawm Thermal Expansion
| Qhov kub thiab txias (degree F) | Qhov kub thiab txias (degree) | Coefficient ntawm Thermal Expansion |
|---|---|---|
| 77 - 200 | 25 - 93 | 7.1 × 10⁻⁶ /℃F (12.8 × 10⁻⁶ / degree) |
| 77 - 1400 | 25 - 760 | 8.9 × 10⁻⁶ /℃F (16.0 × 10⁻⁶ / degree) |
Nyem rau rub tawm Inconel 718 alloy PDF ntaub ntawv tam sim no
5. Inconel 718 Cov txheej txheem kho cua sov
Kev kho cua sov rau qhov zoo tshaj plaws tag nrho cov khoom
Kev Kho Mob:Tuav ntawm 1750-1800℃F (954-982 degree) rau 1 teev → Cua txias
Kev kho mob laus:Tuav ntawm 1325℃F (718 degree) rau 8 teev
Kauj ruam Cooling:Txias ntawm 100℃F / teev (56℃/ teev) txog 1150℃F (621 degree)
Tuav:Tuav ntawm 1150℃F (621 degree) rau 8 teev → Cua txias
Kev kho cua sov rau chav zoo tshaj plaws & Cryogenic Properties
Kev Kho Mob:Tuav ntawm 1950℃F (1066 degree) rau 1-2 teev → Cua txias
Kev kho mob laus:Tuav ntawm 1325℃F (718 degree) rau 8 teev
Kauj ruam Cooling:Txias ntawm 100℃F / teev rau 1150℃F (621 degree)
Tuav:Tuav ntawm 1150℃F (621 degree) rau 8 teev → Cua txias
6. Inconel 718 Fabrication Performance
Kub Ua Haujlwm
Qhov siab tshaj qhov cub kub:2050℃F (1121 degree)
Kub ua haujlwm kub:1700-1850℃F (927-1010 degree) - txhim kho forgeability (rau kev pabcuam kub hauv qab 1100℃F)
Zam:Lub sij hawm soaking ntawm forging kub
Yuav tsum tau:Uniform deformation los tiv thaiv kev tsim ntawm duplex grain qauv
Tshuab dhos
Cov xwm txheej ua haujlwm tau:Annealed los yog hnub nyoog - mob hnyav
Aged Condition Advantage:Zoo dua nti tawg thiab txhim kho nto tiav
Annealed Condition Advantage:Siv lub neej ntev dua me ntsis
Vuam
Weldable Cov Txheej Txheem:Ob qho tib si annealed thiab laus laus tuaj yeem welded
Aged Condition Vuam:Yuav tsim kom sov sov- thaj chaw cuam tshuam (HAZ)
Vuam txoj kev:Tau tshaj cov txheej txheem welding
7. inconel 718 Kub Kub Mechanical Properties
High Temperature Tensile Properties (1/2 nti Bar)
| Kub | Lub zog muaj zog (0.2%) | Tensile zog | Elongation (2 nti) |
|---|---|---|---|
| Qib F (degree) | Ksi (MPa) | Ksi (MPa) | % |
| 200 (93) | 170 (1172) | 204 (1407) | 21.0 |
| 1000 (538) | 155 (1069) | 185 (1276) | 18.0 |
| 1400 (760) | 110 (758) | 110 (758) | 27.0 |
Stress Repture Data
| Kub | 100 Teev Rupture Stress | 1000 Teev Rupture Stress |
|---|---|---|
| Qib F (degree) | Smooth Specimen Ksi (MPa) | Notched Specimen Ksi (MPa) |
| 1100 (593) | 170 (1172) | 220 (1517) |
| 1400 (760) | 44 (303) | 63 (434) |
8. Hom kev siv ntawm Alloy 718
Aerospace Cav:Turbine disks, hniav, spacers, siab -kub bolts thiab fasteners
High-Speed Aircraft Structures:Airframe structural Cheebtsam
Cov Khoom Siv Hluav Taws Xob:Cov khoom tseem ceeb rau turbine units
Kev kub siab - Ib puag ncig kub:Cov ntawv thov xav tau kev nkag tau zoo heev - kev ua haujlwm tawg
9. Cov lus xaus
ib 718tau tsim nws tus kheej ua cov khoom tseem ceeb hauv kev lag luam aerospace thiab lub zog, ua tsaug rau nws qhov kev sib xyaw ua ke ntawm siab -kub kev ua haujlwm thiab cov yam ntxwv ntawm kev tsim khoom. Nws cov weldability zoo heev thiab muaj hnub nyoog qeeb- cov lus teb nyuaj ua rau kev tsim cov khoom siv nyuaj, thaum nws qhov tshwj xeeb siab - qhov kub thiab txias ua kom ntev - cov kev pabcuam txhim khu kev qha hauv qhov chaw huab cua. Txawm hais tias rau qhov tseem ceeb hauv cov tshuab dav hlau lossis siab - cov ntawv thov kub hauv cov khoom siv hluav taws xob, cov hlau no muab cov kev daws teeb meem rau kev ntseeg siab.
Vim li cas thiaj xaiv Gnee ua koj cov nickel-Raws li Alloy Supplier
✅ Tshaj 18 xyoo ntawm kev xa tawm, cov khoom muag rau ntau tshaj 80 lub teb chaws
✅ Muaj ntawv pov thawj los ntawm ISO, SGS, thiab BV
✅ Cov khoom muag thoob ntiaj teb ntawm Inconel, Hastelloy, Incoloy, thiab Monel alloy tubing, daim hlau, thiab tuav
✅ Kev pabcuam kev ua haujlwm muaj - suav nrog txiav, polishing, CNC machining, thiab ntim
✅ Kev xa khoom sai hauv 7-15 hnub, txhawb nqa los ntawm cov neeg koom tes thoob ntiaj teb
Gnee Alloy inconel 718 Daim ntawv pov thawj
📦 Ntim thiab Shipping
Tag nrhoNickel Raws li Alloycov khoom tau ntim nrog cov txheej txheem hauv qab no:
Ntoo pallets los yog crates
Moisture -cov ntaub ntawv pov thawj
Daim ntawv lo nrog rau lub tshuab hluav taws xob, tus qauv, thiab cov ntawv loj
Shipped thoob ntiaj teb los ntawm hiav txwv, huab cua, los yog nthuav qhia
Gnee Alloy 718 Alloy khoom ntim
Tiv tauj peb rau tus nqi xa tawm tshiab tshaj plaws rau inconel 718 Alloy
FAQ
Q: Dab tsi yog Inconel 718 siv rau hauv aerospace?
A:IN718 (Ni - Cr - Fe alloy) yog ib qho ntawm feem ntau siv alloys nyob rau hauv aerospace Cheebtsam, xws li foob pob ua ntxaij cav, turbine hniav, thiab nuclear reactors, vim lawv cov khoom creep, oxidation tsis kam, thiab superior mechanical zog nyob rau hauv ib tug ntau yam ntawm kub (294 mus rau 3000 K).
Q: Cov khoom siv dab tsi yog Inconel 718?
A:Inconel 718 yog nag lossis daus -nickel hardenable-chromium superalloy paub txog nws lub zog tshwj xeeb thiab kev tiv thaiv corrosion. Nws cov khoom siv zoo heev yog tsav los ntawm kev sib ntxiv ntawm niobium.
Q: Puas yog Inconel 718 nyuaj rau tshuab?
A:Cov npib tsib xee no-raws li superalloy, ib qho tseem ceeb hauv kev siv aerospace, muaj lub zog zoo heev thiab ua haujlwm kub heev-tab sis cov khoom qub no ua rau nws tsis yooj yim rau tshuab. Inconel 718 nyiam ua haujlwm- tawv sai, ua kom sov huab cua ntawm lub cuab yeej-workpiece interface, thiab ua kom cov cuab yeej siv nrawm dua.
Q: Puas tuaj yeem Inconel 718 xeb?
A:Txawm hais tias nws qhov kev tiv thaiv corrosion zoo nyob rau hauv cov dej hiav txwv dav dav, Inconel 718 alloy tseem tuaj yeem muaj kev xeb hauv qee qhov dej hiav txwv huab cua, xws li salinity siab, siab kub, thiab nce chloride ion concentrations.
