Inconel X750 Daim Ntawv

Inconel X750 (tseem hu ua UNS N07750) yog npib tsib xee -chromium alloy sib xyaw nrog txhuas thiab titanium los pab kom nag lossis daus hardening. Nws nthuav tawm corrosion thiab oxidation tsis kam, nrog rau cov khoom siv zoo heev ntawm qhov kub txog li 700℃(1290℃F), suav nrog lub zog tensile siab thiab creep rupture zog. Tsis tas li ntawd, Inconel X750 qhia tau hais tias muaj zog thiab tawv tawv hauv kev daws teeb meem thiab nag lossis daus los kho cua sov. Yog li ntawd, IN X750 tau siv dav hauv cov khoom thiab cov qauv ua haujlwm nyob rau hauv siab - qhov kub thiab txias. Cov ntawv thov aerospace xws li turbine blades, log, thiab bolts rau roj turbines, thrust chambers rau dav hlau thiab foob pob ua ntxaij cav, cua kub duct systems, thiab thrust reversers rau aircraft fuselages. Nws kuj tseem ua haujlwm hauv cov hlab ntsha loj, tsim cov cuab yeej, extrusion tuag, nuclear fais fab nroj tsuag daim ntaub ntawv, thiab kho cua sov fixtures.

Lub ntsiab lus

Nickel (Ni) ntau dua lossis sib npaug li 70.0%, Chromium (Cr) 14.0–17.0%, Hlau (Fe) 5.0–9.0%, ntxiv rau Titanium (Ti), Aluminium (Al), thiab Niobium (Nb) ua kom muaj zog.

Nickel (Ni): Muab cov qauv austenitic matrix, ua kom muaj kev tiv thaiv corrosion thiab kub kub toughness.
Chromium (Cr): generates a dense oxide film at high temperatures, improving oxidation resistance.
Hlau (Fe): txhim kho txhua yam khoom thiab txo cov nqi hlau.
Titanium (Ti) thiab txhuas (Al): tsim 'precipitate theem, uas yog lub hauv paus ntawm alloy lub zog.
Niobium (Nb): ua ke nrog npib tsib xee los tsim cov carbides thiab ntxiv dag zog rau theem, txhim kho lub neej nkag.
Cov pa roj carbon tsawg, tsis muaj sulfur: Tsis txhob cuam tshuam kev sib tsoo thiab txhim kho weldability.

Qib sib npaug

Tuam Tshoj: GH4145 (qib qub GH145)

USA: UNS N07750

Lub teb chaws Yelemees: W.Nr. 2.4669

Specification Standards:

Daim ntawv / Phaj: AMS 5542, AMS 5598

Kev lag luam dav dav: ASTM B637

Suav Txheem: GB / T 15007

Qhov ceev: 8.25 g / cm3
Melting point: 1390-1430 degree
Tensile zog (ntawm chav tsev kub): Ntau dua los yog sib npaug rau 1100 MPa
Yield zog (0.2%): Ntau dua lossis sib npaug li 800 MPa
Elongation tus nqi: Ntau dua lossis sib npaug li 15%
Hardness: Kwv yees li 330 HB
Summary of Performance Characteristics:
Ua kom zoo creep thiab durability ntawm qhov kub txog li 700 degree.
Muaj zog oxidation tsis kam, haum rau ntev - lub sij hawm siab - kub kev pab cuam.
Nws muaj kev qaug zog zoo thiab kev ntxhov siab corrosion kuj.

Kub ua haujlwm
Forging kub ntau: 1010 ° C-1200 ° C (1850 ° F-2200 ° F). Nws raug nquahu kom preheat lub qhov cub kub rau qhov no ua ntej cua sov, thiab tswj cov deformation nyob rau hauv qhov qis thiab siab kub seem kom tsis txhob tawg. Tom qab ua haujlwm kub, cua txias sai (dej quenching lossis cua txias ceev) feem ntau yuav tsum tau.
Kev ua haujlwm txias

Alloys tuaj yeem ua haujlwm txias hauv lub xeev annealed, tab sis vim lawv lub zog siab dua, lawv xav tau lub zog ntau dua li austenitic stainless hlau. Tus nqi ua haujlwm hardening yog nruab nrab.
Kev kho cua sov (cov qauv qauv AMS 5668, 5669, 5703)
Annealing kev kho mob: Kub rau 955℃C (1750℃F) rau rwb thaiv tsev, ua raws li cua txias. Siv los soften cov ntaub ntawv rau kev ua tom ntej.
Precipitation hardening (kev laus kho mob):

• Option A (High kub daim ntawv thov): Kub mus rau 1150℃C (2100℃F) rau kev kho mob rau 2 teev, cua txias +845℃C (1550℃F) rau kev laus rau 24 teev, cua txias +705℃C (1300℃F) rau laus rau 20 teev, cua txias.
• Kev xaiv B (cov khoom elastic xws li cov springs): Kub rau 980℃C (1800℃F) rau kev kho mob rau 1 teev, cua txias +730℃C (1350℃F) rau kev laus rau 16 teev, cua txias.

Cov khoom siv hluav taws xob kho cua sov rau cov khoom siv hluav taws xob ntawm daim hlau, strips, thiab cov kav dej yog 980℃± 15 degree, huab cua -txias. Kev kho cua sov nruab nrab rau cov khoom siv thiab cov khoom tuaj yeem xaiv los ntawm cov txheej txheem hauv qab no rau kev kho cua sov.

• Annealing: 955-1010 degree, dej txias.
• Annealing ntawm welded qhov chaw ua ntej welding: 980 degree, 1h.
• Kev ntxhov siab nyem annealing ntawm welded qhov chaw: 900 degree, noo noo khaws cia rau 2 teev.
• Kev ntxhov siab kev ntxhov siab: 885℃± 15 degree, 24 teev, huab cua -txias.

• Vuam

Nws muaj qhov zoo weldability. Tungsten inert gas welding (TIG/GTAW), hlau inert gas welding (MIG/GMAW), los yog plasma vuam siv tau.
Cov hlau muab tub lim pom zoo feem ntau yog homogeneous Inconel X-750 vuam hlau lossis Inconel 82/182 solder. Tom qab vuam, kev laus yuav tsum tau kho kom rov qab muaj zog ntawm qhov chaw vuam.

• Tshuab dhos

Nws raug nquahu kom ua cov machining ntxhib hauv cov tshuaj annealed lub xeev, tawm hauv cov npoo, thiab tom qab ntawd ua precision machining tom qab kev laus kho. Vim lub siab toughness thiab ceev ua hauj lwm hardening ntawm cov khoom, nws yog ib qho tsim nyog yuav tau siv cov cuab yeej hard alloy txiav thiab tswj cov khoom noj tsis tu ncua. Kev ua haujlwm txias txias: Kev ua haujlwm nyuaj yog qhov tshwm sim thaum lub sijhawm ua haujlwm txias. Kev kho raws sij hawm yuav tsum tau ua kom tsis txhob tawg thaum lub caij txias.

• Forging

Inconel X750 forging tuaj yeem ua tiav siv cov txheej txheem kev lag luam, suav nrog kev sib sau kub thiab txias. Xyuas kom cov kev xaiv ntawm cov kev pab cuam thiab cov cuab yeej muaj zog thiab hardness uas yog haum rau cov alloy. Qhov pom zoo kub ntau rau kev ua haujlwm kub Inconel X-750 yog 1800℃-2200℃F. Thaum nqa tawm hauv qab 1800℃F, cov hlau yuav nyuaj rau siv, uas yuav ua rau tawg.

Inconel X-750 specifications thiab khoom raws li txoj cai
Peb tuaj yeem muab ntau yam kev qhia tshwj xeeb ntawm cov tuav, forgings, rings, kub- dov daim hlau, txias- dov daim hlau, strips, kav, thiab xaim.

• Cov phaj thiab strips feem ntau yog muab tom qab kub dov los yog txias dov, annealing los yog tov kev kho mob, acid ntxuav thiab polishing.
• Bars, forgings, thiab rings tuaj yeem muab nkag rau hauv forged lossis kub -rolled xeev; Nws tseem tuaj yeem muab los ntawm kev kho mob tom qab forging; Cov pas nrig tuaj yeem polished los yog polished tom qab kev daws teeb meem, thiab tuaj yeem muab tso rau hauv lub caij txias txias thaum xav tau los ntawm kev txiav txim.
• Cov ntaub ntawv lo lo ntxhuav tuaj yeem muab nkag rau hauv lub xeev kev daws teeb meem; Rau cov ntaub ntawv xaim nrog lub nominal txoj kab uas hla lossis thickness ntawm 6.35mm los yog tsawg dua, lawv tuaj yeem muab tau nrog 50% mus rau 65% txias tensile deformation tom qab cov khoom siv kho mob; Cov khoom siv hlau uas muaj lub taub nominal lossis sab ntev dua 6.35mm yuav tsum tau muab nrog qhov txias tensile deformation tsis pub tsawg dua 30% tom qab kev daws teeb meem. Rau cov khoom siv hlau uas muaj lub taub nominal lossis sab ntev tsis tshaj 0.65mm, lawv yuav tsum tau muab cov khoom txias tensile deformation tsis pub tsawg dua 15% tom qab kev daws teeb meem raws li qhov xav tau.

• Kev kub siab ua haujlwm: Inconel X-750 alloy tuaj yeem tswj cov khoom siv kho tshuab thiab tshuaj lom neeg ruaj khov nyob rau hauv qhov chaw kub siab txog li 700 degree, tsis muaj kev nkag siab lossis lub zog poob vim qhov kub thiab txias. Cov yam ntxwv no ua rau nws dav siv nyob rau hauv high-temperature Cheebtsam ntawm aerospace xyaw thiab petrochemical khoom.
• Kev tiv thaiv corrosion: Inconel X-750 alloy nthuav tawm zoo heev corrosion kuj nyob rau hauv ntau yam corrosive xov xwm, tshwj xeeb tshaj yog nyob rau hauv kub thiab siab kub ib puag ncig uas muaj leej faj thiab chlorine, qhov twg nws corrosion kuj yog tshwj xeeb tshaj yog zoo heev. Qhov no ua rau nws yog ib qho khoom siv zoo tshaj plaws rau cov khoom tseem ceeb xws li tswj cov pas nrig hauv nuclear reactors thiab corrosion-resistant pipelines hauv petrochemicals.
• Cov khoom siv kho tshuab zoo: Inconel X-750 alloy muaj cov txiaj ntsig zoo thiab lub zog tensile, nrog rau zoo toughness thiab ductility. Qhov no ua rau nws tswj hwm kev ncaj ncees thiab kev ruaj ntseg txawm tias nyob rau hauv txoj kev nyuaj siab thiab deformation.
• Ua haujlwm tau zoo thiab weldability: Txawm hais tias Inconel X-750 alloy muaj lub zog siab thiab tawv, nws tseem muaj kev ua haujlwm zoo thiab weldability. Qhov no tso cai rau nws los ua cov duab thiab cov qauv los ntawm ntau yam molding thiab vuam cov txheej txheem.

• Aerospace: roj turbine hniav, combustion chamber txhawb rings, bolts, foob pob ua ntxaij cav thrust chambers, springs.
• Nuclear engineering: reactor tswj rod tsav mechanism, roj av kab sib chaws, springs, thiab fasteners (vim lawv tsis kam mus rau neutron irradiation thiab siab -kub dej corrosion).
• Kev lag luam: kub extrusion pwm, ntau yam siab -kub springs thiab clips, molding cov cuab yeej, turbocharger rotors.
• Petrochemical kev lag luam: cov cuab yeej siv lub taub hau thiab lub valve siv nyob rau hauv ib puag ncig corrosive.

Q: Dab tsi yog cov tshuaj tseem ceeb ntawm Inconel X750 daim ntawv?
A: Cov khoom tseem ceeb muaj xws li Nickel (Ni, 70% min), Chromium (Cr, 14-17%), Hlau (Fe, 5-9%), nrog rau cov khoom muaj zog xws li Aluminium (Al, 0.40-1.0%), Titanium (Ti, 2.25-2.75%), thiab Niobium (Nb, 0.7%).

Q: Dab tsi yog cov qauv tsim nyog rau cov khoom siv no?
A: UNS: N07750, W. Nr./EN: 2.4669, ASTM: B 637, Aerospace Specifications (AMS): AMS 5542 thiab AMS 5598 feem ntau yog siv rau daim ntawv.

Q: Dab tsi yog cov txheej txheem kev kho cua sov rau Inconel X750?
A: Inconel X750 xav tau kev kho cua sov kom ua tiav cov khoom zoo. Rau daim ntawv, cov specifications muaj xws li:

AMS 5542: Kev kho kub tsis tu ncua (1300℃F / 20 hr, cua txias) kom ua tiav lub zog siab txog 1300℃F.

AMS 5598: Rauv-kev kho nag lossis daus txias (1350℃F / 8 hr, cub txias rau 1150℃F, tuav tag nrho cov nag lossis daus lub sij hawm ntawm 18 hr, cua txias) los txhim kho tensile zog mus txog 1100℃F.

Q: Cov khoom no puas haum rau qaub (sulfide-muaj) qhov chaw pabcuam?
A: Yog lawm, UNS N07750 (Inconel X750) tau teev nyob rau hauv NACE MR0175 / ISO 15156 (Tables A.35 thiab A.36) rau kev siv tsis yog-siab tuav qhov chaw thiab cov dej ntws hauv cov kev pabcuam qaub. Nco ntsoov tias cov kev kho cua sov tshwj xeeb feem ntau raug yuam kom tsis txhob hnov ​​​​qab.

Q: Qhov txawv ntawm Inconel X750 thiab tus qauv stainless hlau yog dab tsi?
A: Piv rau 300 series stainless hlau, Inconel X750 muaj zog tensile thiab creep ntau dua ntawm qhov kub siab. Nws tau txais lub zog los ntawm nag lossis daus hardening es feem ntau los ntawm kev ua haujlwm txias lossis kev hloov pauv martensitic. Tsis tas li ntawd, nws cov oxidation tsis kam ntawm qhov kub thiab txias yog feem ntau superior.

Q: Kuv tuaj yeem nrhiav tau cov ntaub ntawv ntxaws ntxaws ntxiv (TDS) rau cov ntaub ntawv no nyob qhov twg?
A: Cov ncauj lus kom ntxaws TDS tuaj yeem tau txais los ntawm cov neeg muab khoom siv (xws li United Performance Metals, Lamineries MATTHEY SA) lossis cov ntaub ntawv tshwj xeeb databases (xws li UL Prospector, GlobalSpec). Xa mus rau cov qauv tshwj xeeb xws li AMS 5542, AMS 5598, lossis ASTM B 637.

Cim npe nrov: Tuam Tshoj inconel x750 daim ntawv manufacturers