Kovar Alloy Phaj
Raws li tus neeg muag khoom thiab chaw tsim khoom nyob rau hauv Suav teb, GNEE Steel muab tus nqi -nickel zoo- raws li cov khoom siv alloy.
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Kovar Alloy yog nickel-hlau-cobalt alloy nrog lub coefficient ntawm thermal expansion zoo li cov iav tawv. Txij li thaum Kovar Alloy yog tawv thiab muaj ntau yam, thaum siv cov kev tswj xyuas zoo thoob plaws hauv UNS K94610 alloy cov txheej txheem tsim khoom kom ntseeg tau tias lub cev thiab cov cuab yeej siv tau yooj yim rau hauv kev sib sib zog nqus nqus, stamping thiab machining tau ua tiav tas li.
Lub coefficient ntawm thermal expansion (CTE) ntawm Kovar yog nws cov cuab yeej cuab tam zoo tshaj plaws. Nws cov yam ntxwv nthuav dav sib phim ob qho tib si borosilicate (los yog Pyrex) iav thiab alumina ceramics. Qhov no ib leeg ua kom nws yog qhov nrov tshaj plaws tswj kev nthuav dav alloys rau hermetic sealing daim ntaub ntawv (tseem hu ua iav rau Hlau Sealing)
Kovar yog nickel-hlau-cobalt alloy paub txog nws qhov qis coefficient ntawm thermal expansion (CTE). Nws yog feem ntau siv rau hauv cov ntawv thov uas yuav tsum tau muaj kev sib khi nruj ntawm cov khoom sib txawv, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv hluav taws xob thiab hluav taws xob. AKovar capillary tubehais txog lub raj me me uas ua los ntawm Kovar alloy.
Lub hom phiaj tseem ceeb ntawm lub raj capillary yog siv los ua hermetic feedthrough los yog cov kav dej rau gases, kua, los yog lwm yam khoom nyob rau hauv ib qho kev tswj. Kev siv Kovar rau cov hlab ntsha capillary yog qhov zoo vim nws CTE phim nrog qee cov iav lossis cov khoom siv ceramic, xws li borosilicate iav los yog alumina, uas tso cai rau kev sib khi ruaj khov thiab tiv thaiv kev xau lossis kev puas tsuaj vim thermal expansion mismatch.
Kovar capillary raj feem ntau siv rau hauv daim ntawv thov xws li:
Iav-rau-hlau ntsaws ruaj ruaj: Kovar raj yog siv los muab cov khoom sib txuas ntawm cov iav thiab hlau, feem ntau pom muaj nyob rau hauv cov pob hluav taws xob, lub tshuab nqus tsev, thiab cov qij. Kovar capillary raj pab kom muaj kev ruaj ntseg thiab txhim khu kev qha ntawm lub hnab ntawv iav thiab cov khoom siv hlau.
Thermal expansion tswj: Kovar qhov qis CTE ua rau nws tsim nyog rau kev tswj thermal expansion hauv ntau daim ntawv thov. Los ntawm kev siv cov raj Kovar, qhov sib txawv thermal expansion ntawm cov khoom sib txawv tuaj yeem txo qis, txo qhov kev pheej hmoo ntawm kev ntxhov siab lossis kev puas tsuaj rau cov khoom.
Cov ntawv thov kev ntseeg siab: Kovar cov raj pom siv hauv cov ntawv thov kev ntseeg siab uas qhov tseeb, ruaj khov, thiab kev ua haujlwm ntev yog qhov tseem ceeb. Piv txwv xws li aerospace, kev sib txuas lus, cov cuab yeej kho mob, thiab cov cuab yeej tshawb fawb.
Kovar capillary raj feem ntau yog tsim los nrog nruj qhov ntev kam rau ua thiab cov kab hauv nruab nrab kom tau raws li cov ntawv thov tshwj xeeb. Cov hlab no tuaj yeem kho raws li qhov ntev, txoj kab uas hla, thiab phab ntsa tuab kom haum rau cov kev xav tau tshwj xeeb ntawm daim ntawv thov.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias Kovar yog lub npe lag luam rau cov hlau alloy uas yog ASTM F15. Thaum nrhiav Kovar capillary hlab, nws raug nquahu kom sab laj nrog cov tuam txhab lossis cov neeg muag khoom tshwj xeeb hauv cov khoom siv zoo thiab cov khoom siv precision kom ntseeg tau qhov kev xav tau tshwj xeeb thiab kev ua haujlwm.
Qhia peb cov khoom zoo Kovar bar, ua tib zoo tsim kom tau raws li qhov xav tau nruj ntawm precision engineering thoob plaws ntau yam kev lag luam. Crafted nrog ib tug meej muaj pes tsawg leeg ntawm kwv yees li 29% npib tsib xee, 17% cobalt, thiab 53% hlau, Kovar bar embodies tshwj xeeb thermal expansion cov yam ntxwv, ua rau nws yog ib qho zoo tagnrho xaiv rau daim ntawv thov uas yuav tsum tau ib tug txhim khu kev qha hermetic foob ntawm hlau thiab iav.
Cov yam ntxwv tseem ceeb:
Tsawg Coefficient ntawm Thermal Expansion (CTE): Kovar qhov sib xyaw tshwj xeeb ntawm cov khoom ua kom muaj kev sib tw ze nrog cov iav tshwj xeeb, tswj kev ruaj ntseg thiab kev ncaj ncees txawm tias qhov kub thiab txias hloov pauv.
Exceptional Durability: Engineered los tiv thaiv hnyav ib puag ncig thaum khaws cia nws cov qauv kev ncaj ncees, nws ua kom lub neej ntev thiab kev ntseeg siab hauv ntau yam kev siv.
Superior Machinability: Peb Kovar bar yog yooj yim machinable thiab qiv nws tus kheej kom meej fabrication, tso cai rau cov creation ntawm intricate thiab kev cai Cheebtsam raws li xav tau los ntawm koj qhov project specifications.
Kev siv ntau yam: Siv dav hauv kev lag luam hluav taws xob thiab cov khoom siv hluav taws xob rau kev tsim cov tshuab nqus tsev, microwave tubes, transistors, diodes, thiab cov pob khoom tshwj xeeb sib xyaw ua ke.
Vim Li Cas Xaiv Peb Kovar Bar:
Kev ntseeg tau: Kev sim thiab ua pov thawj rau kev ua tau zoo ib yam, ua kom muaj kev ruaj ntseg hauv cov ntawv thov tseem ceeb.
Precision Engineering: Ua raws li cov qauv nruj, lav qhov sib xws thiab kev ntseeg tau thoob plaws txhua qhov bar.
Kev Pabcuam Kev Pabcuam: Rov qab los ntawm peb pab pawg kws tshaj lij muab kev pabcuam thiab kev taw qhia txhawm rau txhim kho kev siv Kovar hauv koj daim ntawv thov tshwj xeeb.
Txawm hais tias koj koom nrog hauv kev tsim khoom semiconductor, aerospace engineering, lossis ib qho kev lag luam uas xav tau cov khoom ua tau zoo nrog cov khoom siv thermal expansion, peb Kovar bar tau npaj txhij los ua kom tau raws li koj qhov xav tau tshaj plaws. Kev nqis peev hauv qhov zoo, qhov tseeb, thiab kev ntseeg siab nrog peb Kovar bar, tsim kom dhau qhov koj xav tau thiab xa cov txiaj ntsig tshwj xeeb hauv txhua daim ntawv thov
Common Trade Names:
Kovar , NILO K , Alloy K , 4J29 , W.Nr: 1.3981
Specifications:
ASTM F15 / F1466 / F29 AMS7727 / 7728 AMS I -23011 CL1
Cov yam ntxwv
Txhim khu kev qha hermetic sealing daim ntaub ntawv
Precise thiab uniform thermal expansion yam ntxwv
Lawv coefficient thermal expansion ua rau lub foob tiv thaiv kev poob siab thiab tawg
Kovar Chemical Composition
| % | C | P | S | Mn | Si | Cu | Cr | Mo | Ni | Co | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| min | - | - | - | - | - | - | - | - | 28.5 | 16.8 | - |
| max | 0.03 | 0.02 | 0.02 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 29.5 | 17.8 | tshuav nyiaj li cas |
Kovar Lub cev muaj zog
| Qhov ntom | Curie Temp | Melting Point | Modulus ntawm Elasticity ntawm 20 degree | Thaum tshav kub kub | Thermal conductivity ntawm 20 degree | Thermal Expansion | Hluav taws xob Resistivity | Poisson tus coefficient |
|---|---|---|---|---|---|---|---|---|
| 8.36 g / cm³ | 435 degree (815 degree F) | 1450 degree (2460 degree F) | 207 MPa rau | 0.11 J/g- degree | 17.3 W/m.k | 0.17W.m-¹ degree | 49 mm²/m² | 0.317 |
Kovar Cov Khoom Siv Hluav Taws Xob
Cov cuab yeej cuab yeej cuab tam ntawm Sawb (Kuaj sib npaug rau cov kev taw qhia ntawm dov, Cov khoom siv annealed 1830 degree F rau 30 feeb, ces furnaced txias)
| Yield zog, MPa | Tensile zog, MPa | % Elongation hauv 2 " | Hardness Rockwell B |
|---|---|---|---|
| 345 | 517 | 30 | 68 |
Magnetic Properties:
Kovar alloy yog sib nqus ntawm txhua qhov kub hauv qab Curie point. Cov khoom sib nqus yuav nyob ntawm kev kho cua sov; qhov qis dua qhov hardness, qhov siab dua permeability qhov tseem ceeb thiab qis hysteresis poob. Piv txwv ntawm cov khoom permeability tau qhia hauv daim duab hauv qab no:
| Flux Ceev | 1830 degree F (999 degree) 30 min. - FC Permeability | 2010 degree F (1099 degree) 20 min. - FC Permeability |
|---|---|---|
| 500 | 1000 | 1900 |
| 1000 | 1400 | 3500 |
| 2000 | 2000 | 5800 |
| 5000 | 2300 | 10000 |
| 10000 | 3400 | 8200 |
| 12000 | 3000 | 5000 |
Kev npaj rau Sealing:
Tag nrho cov degreased, fabricated Kovar alloy qhov chaw yuav tsum tau degassed thiab annealed nyob rau hauv ib tug ntub hydrogen cua. Atmosphere yuav tsum tau moist los ntawm bubbling hydrogen los ntawm dej ntawm chav tsev kub. Yuav tsum tau saib xyuas kom tsis txhob muaj cov pa roj carbon monoxide. Lub cub tawg yuav tsum muaj lub tshuab cua txias uas muaj tib lub cua sov. Cov cua kub yuav tsum tau ua nyob rau hauv qhov kub ntawm 1540/2010 ° F. Lub sij hawm ntawm qhov kub thiab txias yuav tsum yog kwv yees li ob teev rau qhov kub qis tshaj plaws rau 20 feeb rau qhov kub siab tshaj plaws. Tom qab ntawd cov khoom yuav tsum raug xa mus rau qhov chaw txias thiab tuav kom txog thaum qis dua 570 degree F, tom qab ntawd tshem tawm. Ib qho oxide zaj duab xis ntawm cov hlau yog qhov zoo dua rau cov hlau-rau-tawv iav sealing. Qhov zoo tshaj plaws oxide zaj duab xis yog nyias thiab nruj me ntsis adhering. Cov yeeb yaj kiab tuaj yeem tsim los ntawm cua sov qhov chaw mus rau 1200/1290 degree F nyob rau hauv ib puag ncig ib puag ncig rau ib lub sij hawm txaus los tsim ib qho tsaus grey rau me ntsis xim av oxide.
Kovar capillary raj yog ua los ntawm cov nickel-hlau-cobalt alloy uas muaj thermal expansion coefficient tsawg heev. Qhov no ua rau lawv ua tau zoo rau cov ntawv thov uas yuav tsum muaj kev sib khi kaw ntawm cov hlau thiab iav. Kovar capillary raj feem ntau siv hauv cov khoom siv microwave, lub tshuab nqus tsev, thiab lwm yam khoom siv hluav taws xob.
Cov khoom ntawm Kovar capillary raj:
Khoom siv: Nickel-hlau-cobalt alloy
Melting point: 1453 degree (2646 degree F)
Tensile zog: 480 MPa (70, 000 psi)
Corrosion kuj: Zoo
Ua haujlwm kub ntau: -200 degree txog 1250 degree (-330 degree F txog 2282 degree F)
Thermal expansion coefficient: 5.7 × 10 ^ -6 / degree (11.6 × 10 ^ -6 / degree F)
Kev tiv thaiv kev nyab xeeb rau kev ua haujlwm nrog Kovar capillary raj:
Hnav khaub ncaws tiv thaiv. Qhov no suav nrog lub tes tsho ntev, ris, hnab looj tes, thiab daim npog ntsej muag.
Ua hauj lwm nyob rau hauv ib qho chaw zoo ventilated. Cov raj Kovar tuaj yeem tso pa tawm uas tuaj yeem tsim kev puas tsuaj yog tias nqus tau.
Tsis txhob kov daim tawv nqaij. Yog tias Kovar capillary hlab tuaj rau hauv koj daim tawv nqaij, ntxuav tam sim nrog xab npum thiab dej.
Tsis txhob welded los yog braze Kovar raj hauv qhov chaw kaw. Cov pa taws tuaj yeem tsim thiab tsim ib puag ncig txaus ntshai.
Pov tseg cov raj Kovar kom raug. Tsis txhob hlawv lossis faus lawv, vim qhov no tuaj yeem tso cov pa phem.
Nov yog qee qhov kev tiv thaiv kev nyab xeeb ntxiv uas yuav cuam tshuam nyob ntawm koj qhov chaw ua haujlwm tshwj xeeb:
Siv lub tshuab tua hluav taws thaum muaj hluav taws kub.
Muaj cov khoom pab thawj zaug ntawm tes thaum muaj xwm txheej.
Qhia cov neeg ua haujlwm ntawm kev tuav haujlwm ntawm Kovar capillary raj.
Los ntawm kev ua raws li cov kev tiv thaiv kev nyab xeeb no, koj tuaj yeem pab ua kom muaj kev nyab xeeb thiab ua haujlwm zoo.
Nov yog qee cov ntsiab lus ntxiv txog cov kev nyab xeeb tshwj xeeb cuam tshuam nrog Kovar capillary hlab:
Fumes: Kovar capillary raj tuaj yeem tso pa tawm uas tuaj yeem ua rau muaj kev phom sij yog tias nqus tau. Cov pa taws no tuaj yeem ua rau muaj teeb meem ua pa, xws li hnoos, hawb pob, thiab ua tsis taus pa. Lawv kuj tuaj yeem ua rau tawv nqaij khaus thiab teeb meem qhov muag.
Hluav taws kub: Cov hlab ntsha Kovar tuaj yeem ua tau yooj yim ignited. Yog hais tias lawv tau ntsib nrog lub txim taws lossis nplaim taws, lawv tuaj yeem ntes hluav taws sai sai. Qhov no tuaj yeem ua rau muaj kev phom sij loj, vim cov nplaim hluav taws tuaj yeem kis tau sai thiab ua rau kub hnyiab.
Toxicity: Kovar capillary tubes muaj npib tsib xee, uas yog cov hlau lom. Yog tias Kovar capillary hlab tau noj lossis nqus tau, lawv tuaj yeem ua rau muaj teeb meem kev noj qab haus huv, xws li daim siab puas thiab mob qog noj ntshav.
Nws yog ib qho tseem ceeb kom paub txog cov teeb meem kev nyab xeeb no thiab ua raws li kev ceev faj tsim nyog los tiv thaiv koj tus kheej thaum ua haujlwm nrog Kovar capillary hlab. Los ntawm kev ua raws li kev tiv thaiv kev nyab xeeb uas tau teev tseg saum toj no, koj tuaj yeem pab tiv thaiv kev raug mob thiab raug mob.
Kovar Muaj Cov Duab
Kovar Size Range
Bars & Rods & Foring Nplhaib / Flanges
Daim Ntawv & Phaj
Sawb & Coil
Vuam Hlau & Caij nplooj ntoos hlav hlau
Seamless Tube & Welded Yeeb Nkab
Cov ntawv thov KovarI
Hermetic sealing
Kev tsim cov transistors thiab diodes hauv kev lag luam hluav taws xob
Lub tshuab nqus tsev hauv chemistry thiab kev tshawb fawb tshawb fawb
Electronic tubes (hwj chim, X-Ray)
Hybrid Circuit Court casings
Oscillator Housing
Concentrated hnub ci zog
Cov cuab yeej tshawb fawb
Kev tu thiab tu ntawm Kovar capillary hlab yog qhov tseem ceeb los xyuas kom meej tias lawv qhov kev ua tau zoo thiab kev ua haujlwm ntev. Kovar, npib tsib xee-hlau-cobalt alloy, feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum muaj lub foob hermetic, xws li hauv cov khoom siv hluav taws xob thiab hluav taws xob. Nov yog qee cov lus qhia rau kev tu thiab tswj Kovar capillary raj:
Kev Tiv Thaiv Kev Tiv Thaiv:
Thaum tuav Kovar capillary hlab, nws yog ib qho tseem ceeb uas yuav tsum tau hnav cov hnab looj tes huv si kom tsis txhob muaj cov kab mob sib kis los ntawm cov roj, av, lossis dej noo ntawm tes. Qhov no pab tswj kev huv ntawm cov hlab ntsha thiab tiv thaiv qhov muaj peev xwm corrosion los yog qhov chaw puas tsuaj.
Cov txheej txheem ntxuav:
Ua ntej ntxuav Kovar capillary hlab, nws raug nquahu kom xa mus rau cov chaw tsim khoom cov lus qhia lossis sab laj nrog cov kws paub paub txog daim ntawv thov tshwj xeeb. Txawm li cas los xij, ntawm no yog cov txheej txheem tu dav dav:
ib. Siv daim ntaub tsis muaj lint los yog swab moistened nrog ib tug me me detergent los yog hnyav uas pom zoo rau siv nrog Kovar. Tsis txhob siv cov tshuaj abrasive los yog cov khoom siv uas tuaj yeem khawb lossis ua rau lub ntsej muag puas.
b. Maj mam so sab nrauv ntawm lub raj capillary, kom ntseeg tau tias tshem tawm cov av, roj, lossis cov khoom paug. Saib xyuas kom tsis txhob siv lub zog ntau dhau uas tuaj yeem deform lossis khoov lub raj.
c. Yaug lub raj capillary nrog dej huv lossis cov kuab tshuaj, yog tias xav tau, kom tshem tawm cov khoom seem ntawm tus neeg saib xyuas.
d. Qhuav lub raj kom huv si siv ib daim ntaub huv si, tsis muaj lint-dawb los yog tso cai rau huab cua qhuav nyob rau hauv ib puag ncig tswj kom tsis txhob muaj cov dej me me.
Cia:
Kev khaws cia ntawm Kovar capillary raj yog qhov tseem ceeb los tswj lawv txoj kev ncaj ncees. Xav txog cov lus qhia hauv qab no:
ib. Khaws cov hlab capillary hauv qhov chaw huv si thiab qhuav kom tsis txhob raug cov dej noo, uas tuaj yeem ua rau corrosion.
b. Siv lub kaus mom tiv thaiv los yog npog ntawm qhov kawg ntawm cov raj kom tsis txhob muaj plua plav, khib nyiab, lossis lwm yam kab mob nkag mus.
c. Yog tias cov hlab ntsha capillary yuav tsum tau muab khaws cia rau lub sijhawm ntev, xav txog kev siv cov khoom siv desiccant lossis lwm yam kev tswj cov av noo kom tswj cov av noo tsawg.
Kev tshuaj xyuas thiab tu:
Kev tshuaj xyuas tsis tu ncua ntawm Kovar capillary hlab yog pom zoo kom txheeb xyuas cov cim qhia ntawm kev puas tsuaj, corrosion, lossis degradation. Yog tias pom muaj teeb meem, sab laj nrog cov kws tshaj lij lossis cov chaw tsim khoom kom tsim nyog kho lossis hloov cov txheej txheem.
Kev zam ntawm Environments hnyav:
Kovar capillary raj yuav tsum tau siv nyob rau hauv lawv qhov ntsuas kub thiab ib puag ncig txwv. Kev raug kub hnyiab, tshuaj corrosive, lossis ib puag ncig hnyav tuaj yeem cuam tshuam rau kev ua haujlwm thiab kev ncaj ncees ntawm cov raj. Xyuas kom meej tias cov hlab ntsha capillary tsis raug rau cov xwm txheej dhau ntawm lawv cov peev txheej tsim.
Los ntawm kev ua raws li cov txheej txheem kev tu thiab tu, koj tuaj yeem pab khaws cov kev ua tau zoo thiab kev ua haujlwm ntev ntawm Kovar capillary hlab, ua kom lawv muaj kev ntseeg tau txuas ntxiv hauv cov ntawv thov tseem ceeb. Nws yog ib qho tseem ceeb rau kev sab laj nrog cov kws tshaj lij lossis xa mus rau cov chaw tsim khoom tshwj xeeb cov lus pom zoo rau kev ntxuav thiab tu cov txheej txheem kom haum rau cov kev cai tshwj xeeb ntawm koj cov leeg Kovar capillary.
Feni29Co17 alloy, ib qho kev sib xyaw ntawm hlau, npib tsib xee, thiab cobalt, sawv cev rau cov khoom siv ua haujlwm siab muaj npe nrov rau nws qhov tshwj xeeb sib nqus thiab cov khoom siv kho tshuab. Qhov no alloy, tsim nrog cov piv txwv ntawm nws cov ntsiab lus tseem ceeb, yog tsim los ua kom tau raws li kev lag luam nruj raws li kev lag luam thoob plaws ntau qhov chaw.
Cov yam ntxwv tseem ceeb:
Magnetic Strength:Feni29Co17 alloy nthuav tawm cov yam ntxwv zoo sib nqus, ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau cov hlau nplaum muaj zog, xws li hauv cov khoom sib nqus, sib nqus tiv thaiv, thiab cov khoom siv hluav taws xob.
Corrosion Resistance:Nrog nws cov kev tiv thaiv zoo heev rau corrosion thiab oxidation, cov hlau no txhawb nqa nws cov qauv kev ncaj ncees hauv kev xav tau ib puag ncig, txhim kho nws qhov tsim nyog rau aerospace, marine, thiab tshuaj ua cov ntawv thov.
Mechanical Durability:Kev sib xyaw ua ke ntawm hlau, npib tsib xee, thiab cobalt hauv Feni29Co17 alloy ua rau lub zog tshwj xeeb, muab kev ua haujlwm ntev thiab kev ntseeg siab hauv cov ntawv thov kev ntxhov siab xws li cov khoom siv turbine, kev siv tshuab, thiab cov cuab yeej precision.
Temperature Stability:Nws qhov kev ruaj ntseg thoob plaws ntau qhov kub thiab txias ua rau nws muaj txiaj ntsig zoo nyob rau hauv cov xwm txheej uas yuav tsum tau ua kom zoo ib yam nyob rau hauv ntau yam thermal tej yam kev mob, xws li nyob rau hauv lub tshav kub exchangers los yog automotive daim ntaub ntawv.
Customizability:Feni29Co17 alloy tuaj yeem raug kho los ntawm kev kho cua sov tshwj xeeb thiab cov txheej txheem tsim kom haum rau ntau yam kev xav tau kev lag luam, tso cai rau ntau yam khoom sib txawv catering rau ntau yam kev xav tau.
Daim ntawv thov:
Electronics thiab Telecommunications:Sib nqus cores rau transformers, inductors, thiab cov khoom siv hluav taws xob.
Aerospace thiab Defense:Aircraft cav qhov chaw, sib nqus shielding, thiab aerospace Cheebtsam.
Zog Sector:Generators, turbines, thiab hluav taws xob tshuab hluav taws xob.
Khoom siv kho mob:Sib nqus resonance imaging (MRI) cov tshuab thiab cov cuab yeej kho mob.
Automotive Kev Lag Luam:Sensors, actuators, thiab automotive electronic systems.
Feni29Co17 alloy stands raws li ib tug ua pov thawj rau precision engineering, muab ib tug ntau yam ntaub ntawv kev daws teeb meem los ntawm magnetic prowess, durability, thiab adaptability. Nws txoj kev siv dav dav thoob plaws kev lag luam underscores nws qhov tseem ceeb hauv kev siv thev naus laus zis niaj hnub thiab kev lag luam nce qib.
Thov nco ntsoov tias cov khoom tshwj xeeb thiab kev siv ntawm Feni29Co17 alloy yuav txawv raws li cov txheej txheem tsim khoom, cov qauv kev lag luam, thiab kev npaj siv. Yog xav paub ntxiv lossis cov ncauj lus kom ntxaws ntxiv, nws raug nquahu kom sab laj nrog cov kws tshaj lij metallurgical lossis xa mus rau qhov tseeb kev qhia tshwj xeeb thiab kev tshawb fawb hauv thaj chaw.
FAQ
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau nws yog 5-10 hnub yog tias cov khoom muaj nyob hauv Tshuag. los yog nws yog 15-20 hnub yog tias cov khoom tsis nyob hauv Tshuag, nws yog raws li qhov ntau.
Q: Koj puas muab cov qauv? puas yog dawb los yog ntxiv?
A: Yog, peb tuaj yeem muab cov qauv dawb tab sis tsis them tus nqi thauj khoom.
Q: Koj cov nqe lus them nqi yog dab tsi?
A: Them nyiaj<=1000USD, 50% in advance. Payment>=1000USD, 30% T / T ua ntej, tshuav nyiaj li cas ua ntej xa khoom. lossis sib tham
Cim npe nrov: Tuam Tshoj kovar alloy phaj lwm tus neeg
Tom ntej
Hiperco 50 Alloy BarKoj Tseem Yuav Zoo Li
Xa kev nug