Inconel 718 yog qhov siab -} lub zog, nickel {} Chromium SuperSaly lub npe rau nws qhov kev ua tau zoo hauv kev ua yeeb yam zoo. Nws yog nagditation {4 {}} nyuaj, lub ntsiab lus nws tuaj yeem ua cua sov- kho kom ua tiav lub zog siab heev. Nws cov yam ntxwv tseem ceeb yog qhov zoo heev rau oxidation thiab corrosion thiab feem ntau muaj peev xwm khaws cov khoom no ntawm kev kub siab (txog ~ 700 degree). Nws tseem ua pov thawj zoo weldability.
Thawj cov ntawv thov:
Aerospace:Dav hlau lub cav sib xyaw, cov pob zeb ua kua ntses, cov teeb meem, ib ncig.
Roj & Roj:Siab - high, siab - kub (HPHTHOLE QHOV CUA TXIAS
Lub zog tiam:Gas turbine qhov chaw, kev sib pauv cua sov, nuclear reactors.
Tshuaj lom neeg:Cov cuab yeej siv tau los rau cov xov xwm corrosive.
Cov Khoom Tseem Ceeb thiab Cov Khoom
1. Tshuaj lom neeg sib xyaw (ASTM B637)
Cov lus hauv qab no qhia txog cov qauv tshuaj muaj ntau yam rau inconel 718.
| Lub ntsiab | Cov ntsiab lus (%) | Lub ntsiab | Cov ntsiab lus (%) |
|---|---|---|---|
| Npib tsib caug (ni) | 50.0 - 55.0 | Aluminium (AL) | 0.20 - 0.80 |
| Chromium (cr) | 17.0 - 21.0 | Titanium (ti) | 0.65 - 1.15 |
| Hlau (FE) | Seem | Cobalt (CO) | Tsawg dua los yog sib npaug rau 1.00 |
| Niobium (nb) | 4.75 - 5.50 | Tooj Liab (Cu) | Tsawg dua los yog sib npaug rau 0.30 |
| Molybdenum (mo) | 2.80 - 3.30 | Carbon (c) | Tsawg dua los yog sib npaug rau 0.08 |
| Manganese (mn) | Tsawg dua los yog sib npaug rau 0.35 | Boron (b) | Tsawg dua los yog sib npaug rau 0.006 |
| Silicon (si) | Tsawg dua los yog sib npaug rau 0.35 | Sulphur (s) | Tsawg dua los yog sib npaug rau 0.015 |
Kev sib xyaw ntawm Niobium (NB) thiab Molybdenum (MO) yog lub luag haujlwm tseem ceeb rau Alloy qhov kev zam tshwj xeeb tom qab muaj nag los ua kev tawv.
2. Cov Khoom Siv Neeg Kho Tshuab
Cov cuab yeej ua lwm yam yog muaj txiaj ntsig ntawm kev kho kom sov. Tus Qauv Kev Kho Mob Cua Sov rau lub zog siab tshaj plaws yogKev daws Annealed + Laus.
Cov chav raug kub thiab txias cov khoom (Astm b 637 - bar & forging rau tubing)
| Yam tseem ceeb | Lub zog tensile | Tawm Zog (0.2% offset) | Elongation (%) |
|---|---|---|---|
| Ib qho tseem ceeb | 125 ksi (862 mpa) | 95 Ksi (655 MPA) | 25% |
| Kev Kho Mob Kho & Laus | 185 Ksi (1275 MPa) | 150 Ksi (1035 MPa) | 20% |
Nco tseg: Cov khoom rau nyias -} wallted tubing yuav sib txawv. Kev qhia tshwj xeeb yuav tsum tau lees paub nrog cov chaw tsim khoom raws cov khoom lag luam thiab loj.
3. Lub cev lub cev
| Ntiag tug | Tus nqi |
|---|---|
| Ceev | 0.297 lb / nyob rau hauv (8.19 g / cm³) |
| Melting ntau | 2300-2460 Qib F (1260-1350 Qib) |
| Thermal nthuav tawm coefficiention | 7.4 x 10⁻⁶ /℃f (13.3 x 10⁻⁶ / k) @ 70-1200℃f |
| Thermal conductivity | 70 Btuu · nyob rau hauv / (10.1 ncaws (102) @ 212 Qib F (100 Degree) |
| Modulus ntawm elasticity | 29.1 x 10⁶ PSI (201 GPA) |
Khoom Specifications & Cov Qauv Txheej Txheem
Inconel 718 Tubing thiab cov yeeb nkab yog tsim los rau ntau yam qauv thoob ntiaj teb, uas txhais tau cov tshuaj, tshuab, thiab kev xav tau nyob hauv.
| Khoom daim ntawv | Tus Qauv Qauv | Txheem Npe (Cov Qauv) |
|---|---|---|
| Seamless Yeeb Nkab & Tube | ASTM B829 | Txheem Cov Qauv Tshwj Xeeb rau Seamless Nickel thiab Nickel Alloy Condenser thiab tshav kub - Txiaj Ntsig Tubes |
| Seamless Yeeb Nkab | ASTM B516 | Txheem Cov Qauv rau Welded Nickel thiab Nickel - ally ecoy kev lag luam, cua sov {1} {1} {1} {1} {1} {1} {1} {1}- |
| Welded Tube | ASTM B760 | Cov Qauv Qhia Tshwj Xeeb rau Welded Round Nickel -} alloy leeg rau dav dav lub hom phiaj |
| Bar & Forging(rau kev siv tshuab) | ASTM B637 | Txheem Cov Qauv Rau Cov Lus Zes Rau Zej Zog -} Hardening Nickel Alloy tuav, Thiab Forging Tshuag rau high-} kub kev pab |
| Ib tug tub rog | Ams 5596 | Nickel Alloy, Corrosion thiab tshav kub {{}} mo} mo}}}}} {{10 {10 {10} |
| Ib tug tub rog | Ams 5662 | Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18.5Fe Solution Heat Treated, Precipitation Hardenable |
Cov Ntsiab Lus Tseem Ceeb
Siab - kub lub zog:Zoo tshaj plaws creep rupupture thiab tensile muaj zog txog 1300℃f (700 degree).
Nag lossis daus hardenable:Yuav kub -}}}}}}}}}}}}}}} pa zog ntau dua, muaj ntau lwm cov nickel alloys hauv nws cov kev pab kub tseem ceeb.
Oxidation & Corrosion Kuj:Koj muaj feem ntau tsis kam mus rau oxidation thiab ntau hom kev xeb ib puag ncig, suav nrog sol roj (h₂s).
Zoo Bricability:Yuav muab welded thiab fab siv siv cov qauv txheej txheem, tab sis post - Weld Kev Kho Mob Kub yog feem ntau pom zoo.
Ntu stability:Qhov sib ntxiv ntawm niobium tiv thaiv kev tsim ntawm cov theem ntawm cov theem tshwm sim ntawm lub sijhawm ntev ntev thaum lub sijhawm ntev tau kub, uas tuaj yeem txav lwm cov alloys.
Txog cov phiaj xwm tshwj xeeb, nws yog qhov tseem ceeb los sab laj nrog cov ntaub ntawv tsim khoom lag luam thiab kev sib txig sib luag, thiab tshwj xeeb kom tau txais daim ntawv thov ua kom haum, xeb, thiab qhov kub thiab txias.
