Silig 0.0125-8mm Cr20Ni80 oo leh Qiimaha Warshadda
Darajada:Nichrome 80/20
Halabuurka Kiimikada:Nikkel 80%, Chrome 20%
Iska caabinta Korontada:1.09 ohm mm2/m
Heerkulka ugu badan ee shaqada:1200 C
Xaaladda:Iftiin leh, la nuugay, jilicsan
Dhexroorka siligguBaakad 0.015mm-1.0mm ah oo ku jirta weel
Usha, dhexroorka Bar1mm-30mm
Silig Fidsan, Ribbon, Foorno, dhumucda xaashida0.005mm ~ 2.5mm, Ballaca 0.5mm ~ 500mm
Saxan:Dhumucda 2.5mm ~ 7mm, ballac 10mm ~ 500mm
Badanaa waxaa loo isticmaalaa sidii curiye kuleyliye, oo ah iska caabin.
Faa'iidadayada:Nolosha shaqada ee dheer iyo ka-hortagga oksaydhka heerkulka sare
Sharaxaad Faahfaahsan:
Fasalka: NiCr 80/20 waxa kale oo loo yaqaan Chromel A, Ni80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Ni 8, Alloy A, MWS-650, Stablohm 650, NCHW1
Waxaan sidoo kale soo saarnaa nooc kale oo fiilooyin iska caabbinta nichrome ah, sida NiCr 70/30, NiCr 60/15, NiCr 60/23, NiCr 37/18, NiCr 35/20, NiCr 35/20, NiCr 25/20, Karma.
Halabuurka Kiimikada iyo Astaamihiisa:
| Hantida/Heerka | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Halabuurka Kiimikada Ugu Muhiimsan(%) | Ni | Bal. | Bal. | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
| Fe | ≤ 1.0 | ≤ 1.0 | Bal. | Bal. | Bal. | |
| Heerkulka Shaqada ugu Badan (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Iska caabinta 20ºC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Cufnaanta (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Qaboojinta Kulaylka (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Isugeynta Ballaarinta Kulaylka (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Barta Dhalmada (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Kordhinta (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Qaab-dhismeedka Micrographic | austenit | austenit | austenit | austenit | austenit | |
| Hantida Birlabta ah | aan birlab ahayn | aan birlab ahayn | aan birlab ahayn | aan birlab ahayn | aan birlab ahayn | |
Cabbirka caadiga ah:
Waxaan ku bixinnaa alaab qaab silig ah, silig fidsan, iyo xarig. Waxaan sidoo kale samayn karnaa agab loo habeeyey iyadoo loo eegayo codsiyada isticmaaleyaasha.
Silig dhalaalaya, la duubay, jilicsan -- 0.025mm ~ 5mm
Silig cad oo lagu qaso aashitada: 1.8mm ~ 10mm
Silig Oxidized: 0.6mm ~ 10mm
Silig fidsan: dhumucdiisuna waa 0.05mm ~ 1.0mm, ballackeeduna waa 0.5mm ~ 5.0mm
Geedi socodka:
Silig: Diyaarinta walxaha → dhalaalid → dib-u-dhalaalid → foori → duubid kulul → daawaynta kulaylka → daawaynta dusha sare → sawir (rogid) → dhammaystir daawaynta kulaylka → kormeer → xirmo → bakhaar
Astaamaha alaabta:
1) Xoog aad u fiican oo ka hortagga oksaydhka iyo farsamada heerkulka sare;
2) Iska caabin sare iyo isku-darka heerkulka hooseeya ee iska caabinta;
3) Dib-u-habeyn heer sare ah iyo waxqabad sameynta;
4) Waxqabadka alxanka oo aad u fiican
Adeegsiga dhammaan darajooyinka:
NiCr 80/20: iska caabbinta bareegga, foornooyinka warshadaha, biraha fidsan, mashiinnada kaawiya, kuleyliyeyaasha biyaha, maydadka qaabaynta balaastikada, biraha alxanka, walxaha tuubada birta ah ee dahaarka leh iyo walxaha kartoonada.
NiCr 70/30: foornooyinka warshadaha. si fiican ugu habboon yaraynta jawiga, maadaama aysan u nugulayn 'qurun cagaaran'.
NiCr 60/15: iska caabbinta bareegga, foornooyinka warshadaha, saxannada kulul, dubista, foornooyinka dubista dubista iyo kuleyliyeyaasha kaydinta. Loogu talagalay gariiradaha la hakiyey ee ku jira kuleyliyeyaasha hawada ee qalajiyaha dharka, kuleyliyeyaasha marawaxadaha, qalajiyeyaasha gacanta.
NiCr 35/20: iska caabbinta biriiga, foornooyinka warshadaha. Kuleyliyeyaasha habeenkii kaydiya, kuleyliyeyaasha convection, rheostats-ka culus iyo kuleyliyeyaasha marawaxadaha. Kuleyliyeyaasha fiilooyinka iyo kuleyliyeyaasha xargaha ee walxaha dhalaaliya iyo kuwa barafka ka saara, bustayaasha iyo suufka korontada ku shaqeeya, kuraasta gaariga, kuleyliyeyaasha salka iyo kuleyliyaha dabaqa.
NiCr 30/20: saxanno kulul oo adag, kuleyliyeyaasha gariiradda furan ee nidaamyada HVAC, kuleyliyeyaasha kaydinta habeenkii, kuleyliyeyaasha convection, rheostats-ka culus iyo kuleyliyeyaasha taageeraha. Fiilooyinka kululaynta iyo kuleyliyeyaasha xargaha ee walxaha dhalaaliya iyo ka saarista barafka, bustayaasha iyo suufka korontada ku shaqeeya, kuraasta gaariga, kuleyliyeyaasha salka, kuleyliyeyaasha dabaqa iyo iska caabbinta.
Baakadeynta iyo Rarista
Baakad:
Baakad silig ah:
Marka dhexroorku yahay ≤2.0mm
Marka dhexroorku ka badan yahay 1.2mm -- marka gariiradda la geliyo
Dhammaan fiilooyinka ku jira kartoonada → kartoonada ku jira baakad alwaax ah AMA alwaax ah:
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