Ntau tus engineers xaivGH4169 (sib npaug rau Alloy 718)rau tshuaj kho mob vim nws lub zog tsis tshua muaj zog, tsuas yog pom tias cov yeeb nkab phab ntsa perforate vim pitting corrosion nyob rau hauv lub lis piam. Hloov pauv, yog tiasHastelloy C276yog siv rau rotating turbine ncej ntawm700 degree, deformation tshwm sim tam sim ntawd vim nws tsis muaj qhov tsim nyog mechanical nruj.
Qhov kev xaiv ntawmGH4169 thiab Hastelloy C276tsis yog hais txog qhov twg yog "zoo dua," tab sis hais txog kev ntsuas cov khoom siv hluav taws xob thiab tshuaj lom neeg corrosion. Ntawm Gnee Alloy, peb pab koj txhim kho koj cov khoom siv lub neej los ntawm kev ua kom cov ntaub ntawv ua tau raws li qhov kev ua haujlwm nyuaj.
GH4169 (Inconel 718) thiab Hastelloy C276 Pipes: Kub Kub thiab Corrosion Resistance Comparison
GH4169 (Inconel 718) thiab Hastelloy C276 Pipes: Kub Kub thiab Corrosion Resistance Comparison
GH4169 (Inconel 718) thiab Hastelloy C276 yog npib tsib xee premium-raws li alloys tsim rau huab cua puag ncig. GH4169 muaj qhov tshwj xeeb siab tshaj - qhov kub thiab txias lub zog (txog 980 degree), thaum Hastelloy C276 ua tau zoo nyob rau hauv kev tiv thaiv rau cov tshuaj sib xyaw ua ke hnyav. GH4169 zoo tagnrho rau aerospace fasteners / turbines; C276 yog cov khoom siv rau cov kav dej tshuaj.
Qhov ntsuas kub ntawm Hastelloy C276 yog dab tsi?
C-276 alloy tuaj yeem ua haujlwm hauv oxidizing cua mus txog 1900℃F (1038 degree), tab sis nws cov ntsiab lus chromium tsis txaus tiv thaiv nws los ntawm kev ua haujlwm zoo hauv qhov chaw oxidizing siab (xws li kub-kub concentrated nitric acid).
Cov khoom thiab kev siv ntawm GH4169 thiab Hastelloy C276 Alloys
GH4169 (Alloy 718)
hwv 4169yog nag lossis daus -nickel hardening-chromium superalloy. Nws "super zog" nyob rau hauv lub' ' (') theem, ua rau nws yog ib qho ntawm cov hlau uas muaj zog tshaj plaws siv tau ntawm qhov kub thiab txias mus txog700 degree.
Cov txiaj ntsig tseem ceeb:Zoo heev mechanical zog. Nws tuav nws lub zog tawm los txawm nyob rau hauv lub zog centrifugal muaj zog lossis sab hauv siab.
Kev txwv:Thaum nws tiv taus oxidation, nws tsis haum rau corrosion los ntawm concentrated hydrochloric acid los yog concentrated sulfuric acid.
Optimal Applications:Cov khoom siv dav hlau dav hlau, siab - cov kab hluav taws xob siab, turbine shafts, thiab siab - lub zog muaj zog.
Hastelloy C276 (UNS N10276)
Hastelloy C276yog ib qho kev daws teeb meem - muaj zog alloy nrog siab molybdenum (16%) thiab cov ntsiab lus tungsten. Nws yog tus qauv kub rau kev cuam tshuam nrog "hnyav" tshuaj ib puag ncig. NtsiabQhov zoo:Zoo heev corrosion kuj. Nws zoo li tsis muaj kev cuam tshuam los ntawm chloride stress corrosion cracking (SCC) thiab muaj zog oxidizing ntsev.
Kev txwv:Nws tsis muaj cov txheej txheem laus ntawm GH4169, txhais tau tias nws lub zog txhua yam txo qis dua 500 degree.
Optimal Applications:Cov tshuaj reactors, flue gas desulfurization (FGD), cov kav dej tshuaj, thiab cov pa roj acid (H2S) thauj.
3. Kev sib piv ntawm cov tshuaj muaj pes tsawg leeg (qhov hnyav feem pua) ntawm GH4169 thiab Hastelloy C276 alloys
| Lub ntsiab | GH4169 (Inconel 718) | Hastelloy C-276 | Qhov txawv tseem ceeb |
|---|---|---|---|
| Nickel (Ni) | 50.0 – 55.0 | 57.0 min (Sib npaug) | C-276 me ntsis siab dua Ni |
| Chromium (Cr) | 17.0 – 21.0 | 14.5 – 16.5 | GH4169 siab dua Cr |
| Molybdenum (hli) | 2.80 – 3.30 | 15.0 – 17.0 | C-276 muaj 5x ntau Mo |
| Hlau (Fe) | Sib npaug (~18-20) | 4.0 – 7.0 | GH4169 muaj ntau dua Fe |
| Tungsten (W) | – | 3.0 – 4.5 | C-276 muaj W |
| Niobium (Nb) | 4.75 – 5.50 | – | GH4169 muaj Nb |
| Titanium (Ti) | 0.65 – 1.15 | – | GH4169 muaj Ti |
| Aluminium (Al) | 0.20 – 0.80 | – | GH4169 muaj Al |
| Cobalt (zeeg) | Tsawg dua lossis sib npaug li 1.00 | Tsawg dua lossis sib npaug li 2.5 | Zoo sib xws |
| Cov pa roj carbon (C) | Tsawg dua los yog sib npaug li 0.08 | Tsawg dua los yog sib npaug li 0.01 | C-276 qis C |
| Vanadium (V) | – | Tsawg dua lossis sib npaug li 0.35 | C-276 muaj V |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.35 | Tsawg dua los yog sib npaug li 0.08 | – |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 0.35 | Tsawg dua los yog sib npaug rau 1.0 | – |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.04 | – |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua los yog sib npaug li 0.03 | – |
Nyem rau rub tawm GH4169 alloy PDF ntaub ntawv tam sim no
4. Kev sib piv ntawm chav tsev kub txhua yam khoom ntawm GH4169 thiab Hastelloy C276 alloys
| Khoom | HWV 4169 (718)(muaj hnub nyoog) | Hastelloy C-276(Annealed) | Qhov zoo |
|---|---|---|---|
| Tensile zog, Qhov kawg (MPa) | Ntau dua lossis sib npaug rau 1275(185 hli) | Ntau dua lossis sib npaug rau 690 (100 ksi) | hwv 4169 |
| Tensile zog, tawm los (MPa) | Ntau dua lossis sib npaug rau 1035(150 hli) | Ntau dua lossis sib npaug rau 283 (41 ksi) | hwv 4169 |
| Elongation (%) | Ntau dua lossis sib npaug li 12 | Ntau dua lossis sib npaug li 40 | C-276 |
| Txo thaj tsam (%) | Ntau dua lossis sib npaug li 15 | Ntau dua lossis sib npaug li 50 | C-276 |
| Hardness (HRC) | 35 – 40 | ~ 87 HRB (~ 18 HRC) | hwv 4169 |
| Modulus ntawm Elasticity (GPa) | ~200 | ~205 | Zoo sib xws |
| Qhov ceev (g / cm³) | 8.19 | 8.89 | hwv 4169 |
5. Kev sib piv ntawm corrosion kuj ntawm GH4169 alloy thiab Hastelloy C276 alloy
| Ib puag ncig | HWV 4169 (718) | Hastelloy C-276 | Qhov zoo |
|---|---|---|---|
| Oxidizing Acids (HNO₃) | Zoo | Zoo | Zoo sib xws |
| Txo Acids (HCl, H₂SO₄) | pluag | Zoo heev | C-276 |
| Chloride Pitting | Nruab nrab | Zoo heev | C-276 |
| Crevice Corrosion | Nruab nrab | Zoo heev | C-276 |
| Chloride SCC | Zoo | Zoo heev | C-276 |
| Dej hiav txwv | txwv | Zoo heev | C-276 |
| Siab - Kub Oxidation (txog 980 degree) | Zoo | Zoo | Zoo sib xws |
6. Kev sib piv ntawm siab -kub txhua yam khoom ntawm GH4169 alloy thiab Hastelloy C276 alloy
| Kub (degree) | Khoom | HWV 4169 (718) | Hastelloy C-276 |
|---|---|---|---|
| 500 | Tensile (MPa) | ~1150 | ~650 |
| Tawm tswv yim (MPa) | ~950 | ~260 | |
| 600 | Tensile (MPa) | ~1100 | ~600 |
| Tawm tswv yim (MPa) | ~900 | ~240 | |
| 650 | Tensile (MPa) | ~1000 | ~550 |
| Tawm tswv yim (MPa) | ~850 | ~220 | |
| 700 | Tensile (MPa) | ~850 | ~450 |
| Tawm tswv yim (MPa) | ~750 | ~180 | |
| 800 | Tensile (MPa) | ~500 | ~300 |
| Tawm tswv yim (MPa) | ~450 | ~150 |
7.Comparison rooj ntawm GH4169 thiab Hastelloy C276 alloy technologies
| Feature | GH4169 (Inconel 718 sib npaug) | Hastelloy C276 (Alloy C276) | Muaj Kev Txiav Txim Siab |
| Txoj Kev Txhim Kho | Dej nag (Kev laus) | Solid Solution (High Purity) | GH4169 yog ntau "Stiffer." |
| Max Service Temp (Load) | 700℃(1292℃F) | 400℃- 500℃(Variations) | GH4169 rau cov qauv cua sov. |
| Yield zog (MPa) | Ntau dua lossis sib npaug li 1030 MPa | Ntau dua lossis sib npaug li 355 MPa | GH4169 yog3x zog. |
| PREN Tus nqi (Pitting) | ~ 31 | **~ 45 - 52 (Superior)** | C276 yuav tsis perforate hauv acid. |
| Acid Resistance | Nruab nrab (Oxidation nkaus xwb) | Cov neeg tseem ceeb (HCl, H2SO4, Chlorides) | C276 yog qhov yuav tsum tau ua rau cov tshuaj. |
| Fabrication | Sib tw (Hardens ceev) | Zoo heev (zoo heev) | C276 yooj yim rau vuam. |
Hu rau peb cov kws tshaj lij kom pom zoo cov hlau zoo rau koj qhov project
8. Yuav ua li cas xaiv ntawm GH4169 thiab Hastelloy C276 Pipes?
Yog tias koj lub kav dej yuav tsum tau tiv taus siab sab hauv lossis centrifugal rog mus txog 700 degree,xaiv GH4169 seamless steel yeeb nkab.Yog tias koj cov khoom tsis tuaj yeem ntsib "stretching" lossis "creep" hauv qab load,hwv 4169yog koj tus nqi nkaus xwb -kev daws teeb meem.
Yog tias koj cov khoom raug raug ferric/tooj liab chloride, siab -kub kis kab mob, los yog cov roj chlorine ntub dej,xaiv Hastelloy C276 steel yeeb nkab.Yog tias tiv thaiv pitting thiab kev ntxhov siab corrosion tawg yog koj qhov kev txhawj xeeb tseem ceeb, C276 muaj kev pom kev lag luam durability.
9. Vim li cas qhov chaw ntawm Tier 1 chaw tsim tshuaj paus Gnee Alloy?
Raws li cov kws tshaj lij superalloy,Gnee Alloyxyuas kom zero- tsis xws luag:
✅VIM + VAR Melting:Ua kom ntseeg tau tias ultra- ntshiab GH4169 kom ua kom lub neej qaug zog thiab tshem tawm cov kev suav nrog.
✅MTC 3.1 Traceability:Tag Nrho EN 10204 3.1 Mill Test Certificate sau nrog txhua tus lej kub.
✅Sỉ ib:Cov khoom loj heev ntawmSeamless Tubing, Round Bars, thiab Sheetsnpaj rauFast Global Shipping.
✅ Custom Fabrication:Peb muab kev txiav txiav, tsis muaj qhov sib tsoo (h8-h11), thiab cov kev pabcuam tshwj xeeb dabtsi yog khoov.
Hu rau peb tam sim no kom tau txais tus nqi xa tawm tshiab rau GH4169 hauv 2026
FAQ
Q1: GH4169 puas tuaj yeem tswj hwm hydrogen embrittlement zoo dua li C276?
A: Ob leeg alloys muaj kev tiv thaiv zoo vim lawv cov austenite matrix ruaj khov. Txawm li cas los xij,hwv 4169feem ntau nyiam rau siab -siab hydrogen cia roj kab vim nws lub zog zoo tshaj - rau - qhov hnyav piv.
Q2: Cov hlau twg yooj yim dua rau vuam rau cov reactor complex?
A: Hastelloy C276 yog tus yeej.Nws tuaj yeem siv tau raws li -welded mob yam tsis tas yuav tsum tau tom qab-weld kho cua sov. GH4169 xav tau ib qho nyuajMuab ob npaug rau-Kev lauskom ncav cuag nws lub zog tom qab vuam.
Q3: Puas yog GH4169 hloov pauv nrog Inconel 718 hauv kuv daim phiaj xwm?
A: kiag li.GH4169 yog qhov sib npaug ntawm Inconel 718. Peb muab cov ntaub ntawv ua rawsAMS 5662, AMS 5596, thiab ASTM B637, kom ntseeg tauNtiaj teb no ua raws.
