Product Advantage Summary
Nyob rau hauv niaj hnub tsim hluav taws xob, tshwj xeeb tshaj yog nyob rau hauv circulating fluidized txaj (CFB) boilers, lub hau cua (tseem hu ua cua nozzle los yog npuas hau) yog ib qho tseem ceeb tivthaiv ntsia tau rau hauv lub pa tis phaj. Nws yog lub luag hauj lwm rau uniformly faib cov huab cua nyob rau hauv lub cub tawg kom fluidize lub txaj cov ntaub ntawv thiab tuav ruaj khov combustion. Kev khiav hauj lwm tsis tu ncua nyob rau hauv ib qho chaw hnyav heev uas muaj qhov kub siab oxidation ntawm 900-1000℃thiab hnyav thee tshauv yaig, cov pa roj carbon monoxide feem ntau ua tsis tiav vim hnav, deformation, thiab tawg.
Peb customized boiler air caps tsim los ntawm ZG40Cr25Ni20Si2 (sib npaug rau ASTM A297 HK40 / EN 1.4848) yog tsim tshwj xeeb los daws qhov teeb meem no. Qhov no siab -chromium, siab-nickel austenitic tshav kub- cov cam khwb cia hlau resistant muab kev ua tau zoo tshwj xeeb hauv cov fais fab nroj tsuag CFB boilers, pov tseg- rau- lub zog (WtE) cov chaw, biomass co- tua cov nroj tsuag, thiab petrochemical fluidized txaj reacts Peb muab ntau yam kev teeb tsa, suav nrog tswb -hom, taw qhia "7"- hom, bi-directional "A"- hom, thiab ntau- kev taw qhia ntws tsim, txhua yam tuaj yeem kho tau raws li tus neeg siv khoom-pab kos duab2} thiab qhov chaw ua haujlwm -
Khoom Specifications & Technical Data
ZG40Cr25Ni20Si2 yog qhov zoo tshaj plaws austenitic cua sov- resistant cam khwb cia hlau tsim nyob rau hauv nruj ua raws li GB/T 8492-2014 (Suav teb chaws Standard for Heat-Resistant Steel thiab Alloy Castings rau General Applications).
Chemical Composition (wt%):
| Element | Cov ntsiab lus ntau | Lub luag haujlwm tseem ceeb |
| C | 0.35–0.45 | Muab siab -kub lub zog thiab hardness; balances lub zog thiab toughness |
| Cr | 24.0–26.0 | Ua ib daim ntawv tuab Cr₂O₃ tiv thaiv oxide zaj duab xis; core contributor rau oxidation kuj |
| Ni | 19.0–21.0 | Stabilizes austenitic matrix; txhim kho siab -kub toughness thiab creep resistance |
| Si | 1.5–2.5 | Txhim kho lub compactness ntawm oxide zaj duab xis; txhim kho oxidation thiab carburization kuj |
| Mn | Tsawg dua los yog sib npaug li 1.5 | Optimizes casting fluidity; txo qhov tsis xws luag sab hauv |
| P/S | Tsawg dua lossis sib npaug li 0.035 | nruj impurity tswj rau siab toughness thiab structural integrity |
International Qib Equivalents:
- Teb Chaws Asmeskas:ASTM A297 HK 40
- EU / Lub teb chaws Yelemees:EN 10295 / DIN 17465 - 1.4864 (X15CrNiSi25-20) / GX40CrNiSi25-20
- Nyiv:JIS G5122 SCH22
- ISO:GX40NiCrSi25-20
Cov khoom tseem ceeb & Kev ua tau zoo zoo
Exceptional High -Tsub Muaj Zog & Creep Resistance
ZG40Cr25Ni20Si2 tswj cov qauv austenitic ruaj khov mus txog 1200 degree. Ntawm 900-1000℃kev khiav hauj lwm kub, nws khaws cia ntau tshaj 85% ntawm chav tsev- qhov kub thiab txias zog nrog creep npaum li cas tsawg dua los yog sib npaug li 0.5% tom qab 1000 teev nyob rau hauv load, zoo tiv thaiv huab cua sagging los yog deformation thaum lub sij hawm ntev kev pab cuam.
01
Superior Oxidation & Corrosion Resistance
High chromium (~ 25%) thiab silicon (~ 2%) cov ntsiab lus txhawb nqa qhov ntom ntom, tus kheej - kho Cr₂O₃–SiO₂ oxide zaj duab xis. Qhov teeb meem no tiv thaiv oxidation thiab corrosive flue gas nres hauv thee thiab pov tseg- mus rau - lub zog boilers, tuav tus nqi oxidation qis dua 0.1 hli / xyoo ntawm 1100℃yam tsis muaj qhov sib txawv.
02
Zoo Tshaj Thermal Fatigue Resistance
Raws li feem ntau CFB boiler pib- nres cycles, ZG40Cr25Ni20Si2 nthuav tawm thermal shock lub neej txog li 4 npaug ntawm Cr-Mo steels. Nws khaws ntau dua 85% lub zog tom qab 1000 thermal cycles, leveraging austenitic toughness los tiv thaiv tawg nyob rau hauv rov qab thermal stress.
03
High Hardness & Hnav Resistance
Cov alloy no muab qhov siab dua -kub hardness ntau dua 316 stainless lossis Cr28Ni4 qib. Nws tiv taus qhov hnyav hnyav thiab cov hmoov tshauv impingement nyob rau hauv fluidized txaj combustion, ncaj qha mitigating ntxov ntxov hnav tsis ua hauj lwm thiab ncua kev pab cuam lub neej.
04
Precision Casting & Structure Integrity
Tsim los ntawm kev nqis peev lossis EPC casting rau ze -net- zoo li qhov tseeb, peb lub kaus mom huab cua muaj qhov porosity- cov qauv dawb thiab zoo tshaj qhov ua tiav. Cov ncej nruj heev- nrum tshuaj kho cua sov kho kom txo tau kev ntxhov siab thiab ua kom zoo dua microstructure, tshem tawm cov kev pheej hmoo ntawm kev sib tsoo hauv cov welded.
05
Mechanical Properties (Tus Neeg Sawv Cev Tus Nqi):
| Parameter | Tus nqi | Qhov xwm txheej |
| Tensile zog (Room Temp) | Ntau dua lossis sib npaug li 550 MPa | Raws li -cast + tshav kub kho |
| Tensile zog (1000 degree) | Ntau tshaj lossis sib npaug li 280 MPa | Siab -kev pabcuam kub |
| Tensile zog (1100 degree) | Ntau tshaj lossis sib npaug li 400 MPa | Luv -lub sij hawm kub siab |
| Yield zog | Ntau dua lossis sib npaug li 250 MPa | Chav kub |
| Elongation | Ntau dua lossis sib npaug li 30% | Chav kub |
| 1000h Creep Rate | Tsawg dua los yog sib npaug li 0.5% | Thaum 1200℃nyob rau hauv load |
| Oxidation tus nqi | <0.1 mm / year | Kev siv tsis tu ncua ntawm 1150 degree |
| Qhov Kev Pab Cuam Siab Tshaj Plaws | 1100-1200 degree | Lub sijhawm ua haujlwm ntev - |
Daim ntawv thov Scenario
Peb ZG40Cr25Ni20Si2 lub kaus mom cua tau xa tawm thoob plaws qhov dav ntawm qhov siab -kub siv kev lag luam:
- Lub Hwj Chim Lub Zog: CFB boiler cua faib phaj cua hau, slag txias nozzles, thiab lub voj foob rov qab nozzles rau cov thee- raug rho tawm haujlwm, thee gangue, thiab biomass co-firing units.
- Pov tseg-rau-Lub Zog (WtE) Cov Khoom Siv Hluav Taws Xob: Corrosion-cov kaus mom tiv thaiv huab cua rau cov khib nyiab hauv nroog (MSW) incineration boilers, qhov twg flue gases muaj Cl⁻ thiab SO₂ compounds.
- Kev lag luam Petrochemical: Fluidized txaj reactor cua distributors thiab siab - kub burner nozzles.
- Metallurgical & Thaum tshav kub kub kho: Cov khoom siv rau hauv cub tawg yuav tsum muaj zog nkag siab thiab oxidation tsis kam, nrog rau cov raj radiant, rauv chais, thiab kho cua sov fixtures.
Lub tuam txhab zoo
Pov thawj kws tshaj lij hauv tshav kub-Resistant Alloy Casting
Peb muaj kev tsim khoom siv dav hauv ZG40Cr25Ni20Si2 cov khoom sib xyaws-xws li cov tais rauv, cov raj radiant, pob tawb kho cua sov, thiab siab -kub fixtures- uas muab cov khoom siv hlau thiab cov txheej txheem rau txhua qhov boiler air cap project. Peb lub sijhawm ntev - kev tsim khoom ntawm HK40 thiab cov qib sib npaug ua kom muaj kev ua tau zoo thiab txhim khu kev qha.
Teb ceev ceev & yoog raws sij hawm ua ntej
Peb nkag siab tag nrho lub sij hawm- qhov tseem ceeb ntawm kev saib xyuas cov chaw tsim hluav taws xob thiab cov sij hawm hloov pauv. Los ntawm optimized ntau lawm workflows thiab ib tug mob siab rau qhov project tswj pab neeg, peb muaj peev xwm xa cov qauv qauv nyob rau hauv 15-20 hnub thiab ua tiav tag nrho cov kev txiav txim ntau lawm nyob rau hauv 4-6 lub lis piam (nyob ntawm seb muaj nuj nqis thiab complexity). Kev txiav txim maj nrawm yog qhov tseem ceeb rau kev teem caij nrawm.
Ib -Stop Integrated Manufacturing Capability
Peb lub tuam txhab muaj peev xwm ua tau zoo nrog peev casting, EPC (expendable pattern casting), resin sand casting, thiab centrifugal casting ntau lawm kab. Ua ke nrog peb hauv -lub tsev CNC machining Rhiav, peb xa cov kev teeb tsa-npaj cua tshuab ua tiav-ua tiav nrog precision threading, flange machining, drilling, thiab nto tiav- tshem tawm qhov xav tau rau kev ua haujlwm thib ob los ntawm cov neeg siv khoom.
Kev Pabcuam Kev Pabcuam & Tomqab -Kev Pabcuam Muag
Peb muab 24/7 kev sab laj kev sib tham, npog cov ntaub ntawv xaiv cov kev taw qhia, casting txheej txheem optimization, installation txhawb, thiab tsis ua hauj lwm tsom xam kev pab. Peb pab neeg ua haujlwm engineering muaj los koom tes rau kev tsim kho kev cai alloy thiab kev txhim kho kev ua tau zoo raws li kev ua haujlwm tshwj xeeb.
Hu rau & Nug
Rau customized boiler cua cap quotations, technical datasheets, cov ntaub ntawv pov thawj, los yog tsim kev sab laj, thov hu rau peb cov muag khoom engineering pab neeg nrog koj kos duab, kom muaj nuj nqis, thiab kev ua hauj lwm tsis.Peb tos ntsoov los txhawb koj lub hwj chim cog kev lag luam nrog hwm ZG40Cr25Ni20Si2 cua caps uas xa cov kev pab cuam lub neej ntev thiab txo txij nkawm downtime.
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