Qib 5 titanium alloy piv rau Hastelloy C-276
Qib 5 titanium alloy piv rau Hastelloy C-276
Qib 5 titanium (Ti-6Al-}4V) muaj lub zog siab - rau- hnyav piv thiab zoo heev corrosion kuj nyob rau hauv ntau qhov chaw, tshwj xeeb tshaj yog qis -kub seawater / chloride ib puag ncig. Hastelloy C-276 (Ni-Cr-Mo alloy), vim nws cov ntsiab lus molybdenum / tungsten siab, muaj kev tiv thaiv zoo heev rau kev txo qis / oxidizing acids, pitting corrosion, thiab kub chloride cracking. Yog li ntawd, C-276 alloy yog haum rau hnyav tshuaj ua. Txawm li cas los xij, Qib 5 titanium yog sib dua thiab feem ntau tsim nyog rau kev siv dav hauv marine / aerospace qhov hnyav yog qhov kev txhawj xeeb.
Qhov siab tshaj plaws ua haujlwm kub ntawm Hastelloy C276 yog dab tsi?
Hastelloy C-276 yog npib tsib xee- molybdenum-chromium alloy nrog zoo corrosion kuj. Cov hlau no tiv taus pitting corrosion, crevice corrosion, thiab kev nyuaj siab corrosion cracking. Hastelloy C-276 tsuas yog ua kom tawv los ntawm kev ua haujlwm txias. Nws qhov ntsuas kub ua haujlwm yog los ntawm qhov kub qis mus rau 750℃F (400 degree).
Kev Taw Qhia luv luv rau Qib 5 Titanium Alloys thiab Hastelloy C-276 Alloy
Qib 5 Titanium Alloy (Ti-6Al-4V):Lub undisputed mainstay ntawm titanium alloy tsev neeg. Qhov no - alloy muaj 6% txhuas thiab 4% vanadium, muaj npe nrov rau nws lub zog zoo heev - rau - hnyav piv, superior corrosion kuj (tshwj xeeb tshaj yog nyob rau hauv oxidizing ib puag ncig), thiab zoo biocompatibility. Nws yog cov khoom ntawm kev xaiv rau cov ntawv thov uas yuav tsum muaj qhov hnyav hnyav, xws li aerospace, kho mob cog, siab -kev ua haujlwm tsheb thiab cov khoom siv hauv hiav txwv.
Hastelloy C-276:Ib tug npib tsib xee-molybdenum-chromium superalloy feem ntau yog siv los kov yeej qhov kev xav tau ntau tshaj plaws ntawm qhov chaw corrosive. Nws qhov tshwj xeeb tsis kam rau ntau cov kua qaub, chlorides, thiab pitting / crevice corrosion ua rau nws yog ib qho tseem ceeb ntawm cov khoom siv tshuaj lom neeg, tswj kev ua qias tuaj, flue gas desulfurization (FGD), thiab cov roj thiab roj siv los tuav cov kua qaub.
Tshuaj muaj pes tsawg leeg: Hastelloy C-276 vs Qib 5 Titanium (Ti-6Al-4V)
| Element | Hastelloy C-276 (UNS N10276) Cov ntsiab lus (%) | Qib 5 Titanium (Ti-6Al-4V, UNS R56400) Cov ntsiab lus (%) |
|---|---|---|
| Nickel | 57.0 min (Sib npaug) | – |
| Chromium | 14.5 – 16.5 | – |
| Molybdenum | 15.0 – 17.0 | – |
| Hlau | 4.0 – 7.0 | Tsawg dua lossis sib npaug li 0.40 |
| Tungsten | 3.0 – 4.5 | – |
| Cobalt | Tsawg dua lossis sib npaug li 2.5 | – |
| Vanadium | Tsawg dua los yog sib npaug li 0.35 | 3.5 – 4.5 |
| Aluminium | – | 5.5 – 6.75 |
| Titanium | – | Tshuav |
| Cov pa roj carbon | Tsawg dua lossis sib npaug li 0.01 | Tsawg dua lossis sib npaug li 0.08 |
| Nitrogen | – | Tsawg dua los yog sib npaug li 0.05 |
| Hydrogen | – | Tsawg dua lossis sib npaug li 0.015 |
| Oxygen | – | Tsawg dua los yog sib npaug li 0.20 |
| Manganese | Tsawg dua los yog sib npaug rau 1.0 | – |
| Silicon | Tsawg dua lossis sib npaug li 0.08 | – |
| Phosphorus | Tsawg dua lossis sib npaug li 0.04 | – |
| Sulfur | Tsawg dua los yog sib npaug li 0.03 | – |
| Tooj | – | – |
| Lwm yam uas seem | – | Tsawg dua lossis sib npaug li 0.4 (tag nrho) |
Kev sib piv ntawm cov yam ntxwv tseem ceeb ntawm Qib 5 Titanium thiab Hastelloy
| Khoom | Qib 5 Titanium (Ti-6Al-4V) | Hastelloy C-276 |
| Qhov ceev (g / cm³) | 4.43 | 8.89 |
| Tensile zog (MPa) | 950–1,050 | 690–830 |
| Yield zog (MPa) | 880–950 | 310–415 |
| Elongation (%) | 10–15 | 40–50 |
| Hardness (HB) | 320–350 | 190–230 |
| Max ua haujlwm kub (degree) | 400 | 1,100 |
| Thermal conductivity (W / m · K) | 6.7 | 9.8 |
| Corrosion Rate (mm / xyoo) hauv Seawater | <0.01 | <0.01 |
Corrosion Resistance
Ob lub alloys pom zoo heev corrosion kuj, tab sis txhua tus muaj nws tus kheej zoo:
Titanium Qib 5:Tsis cuam tshuam los ntawm chlorides, dej hiav txwv, thiab oxidizing acids (xws li, nitric acid).
Kev ua tau zoo heev hauv kev txo qis ib puag ncig (xws li chlorides, sulfides).
Cov txheej txheej passivated oxide muab kev tiv thaiv tus kheej - kho.
Hastelloy C-276:Kev tiv thaiv zoo heev rau thaj tsam corrosion (pitting / crevice corrosion).
Ua kom muaj zog acids: HCl (txog 10%), H₂SO₄ (txog 40%), thiab cov chlorine ntub dej.
PREN (pitting kuj sib npaug): Ntau dua lossis sib npaug rau 69 (kwv yees li 35 rau Titanium Qib 5).
Mechanical Properties Hauv Kev Nyuaj Siab
Fatigue Strength:
Titanium Qib 5:510 MPa tom qab 10⁷ cycles (zoo heev cyclic loading kev ua tau zoo).
Hastelloy C-276:310 MPa tom qab 10⁷ cycles.
Creep tsis kam: Hastelloy C-276 khaws nws lub zog siab tshaj 600℃(xws li, 100-teev tawg lub zog: 150 MPa ntawm 870 degree).
Qib 5 titanium muaj kev poob qis hauv lub zog siab dua 400 degree.
Kev pom zoo ntawm Qib 5 Titanium Alloy thiab Hastelloy C-276
Qib 5 titanium alloys raug pom zoo rau cov ntawv hauv qab no:
* Aerospace:Nws lub zog tsis sib xws -rau- qhov hnyav piv ua rau nws yog ib qho khoom siv tseem ceeb rau lub fuselages, landing gear, jet engine components (ntxuam hniav, discs), thiab fasteners. Txhua gram ntawm qhov hnyav txo ncaj qha txhais mus rau hauv kev txhim kho roj efficiency thiab payload muaj peev xwm.
* Medical Implants:Titanium alloys muaj biocompatibility zoo heev thiab ua rau lub cev muaj zog corrosion, thiab lawv cov elastic modulus yog ze rau ntawm cov pob txha dua stainless hlau, ua rau lawv zoo tagnrho rau orthopedic implants (hip, hauv caug, qaum fusion), kho hniav, thiab cov cuab yeej phais.
* Siab -Kev Ua Haujlwm Tsheb / Tubrog nkoj:Titanium alloys yog siv nyob rau hauv cov khoom xws li txuas rods, li qub, ncua kev kawm ntawv springs, pa system, thiab kiv cua shafts. Qhov hnyav txo txhim kho kev ua haujlwm, tuav, thiab roj kev lag luam. Titanium alloys zoo resistant rau seawater corrosion.
* Cov khoom siv:High-tsheb kauj vab kawg, golf clubs, thiab saib cov ntaub ntawv siv tag nrho lub zog, hnav, thiab corrosion kuj ntawm titanium alloys.
Xaiv Hastelloy C-276 hauv cov xwm txheej hauv qab no:
Kev Siv Tshuaj:Hastelloy C-276 yog tus qauv kub rau cov cuab yeej siv tshuaj corrosive xws li hydrochloric acid (HCl), sulfuric acid (H₂SO₄), phosphoric acid, acetic acid, thiab cov tshuaj chlorine. Reactors, yees, pipelines, thiab cia tso tsheb hlau luam tag nrho cia siab rau nws zoo heev corrosion kuj.
Pollution Control (Flue Gas Desulfurization Systems):Nrog rau cov corrosive heev, siab - kub, av noo, thiab acidic ib puag ncig nyob rau hauv fais fab nroj tsuag flue roj desulfurization units.
Roj thiab roj (Acidic Environments):Qhov tseem ceeb rau cov khoom uas raug rau hydrogen sulfide (H₂S), chlorides, thiab siab -kub, siab - qhov chaw siab xws li cov cuab yeej downhole, li qub, cov kav dej, thiab cov manifolds (raws li NACE MR0175/ISO 15156 tus qauv).
Pulp thiab ntawv:Resistant rau cov tshuaj bleaching (chlorine dioxide, hypochlorite) thiab digester corrosion.
Pharmaceuticals thiab Khoom noj khoom haus:Siv rau hauv cov khoom tseem ceeb uas muaj kev sib kis los ntawm cov khoom siv corrosion tsis tuaj yeem lees txais, tshwj xeeb tshaj yog thaum siv cov tshuaj ntxuav lossis cov txheej txheem acidic.
Gnee Steel yog cov chaw tsim khoom ntawm ntau yam nickel{0}}raws li alloys, suav nrog Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 71807, Inconel 7107, Inconel Incoloy 800H / HT, Incoloy 825, Monel Alloy 400, Monel K500, thiab kub kub alloys. Peb tshwj xeeb hauv kev tsim khoom thiab muag khoom ntawm cov ntaub ntawv alloy. Gnee Steel cov khoom siv dav siv hauv aerospace, tshuaj, hluav taws xob, tsheb, thiab nuclear zog kev lag luam, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Rau cov khoom siv alloy tus nqi nug lossis thov kom haum rau cov khoom siv alloy, thov koj xav tiv tauj peb ntawmru@gneesteelgroup.com rau ib nqe lus.