Cov Tshuaj Muaj Peev Xwm: Nickel 80%, Chrome 20%
Xwm txheej: Ci ntsa iab / Acid dawb / Oxidied xim
Txoj kab uas hla: Kev txhawb nqa kev hloov kho
Tus tsim tawm: Shanghai Tankii Alloy Material Co., Ltd.
Tuam Tshoj NiCr Alloy Hlau Tsim Khoom
Cov Lus Piav Qhia Txog:
Qib: NiCr 80/20 kuj hu ua Chromel A, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Alloy A, MWS-650, Stablohm 650, NCHW1
Peb kuj tsim lwm hom nichrome tsis kam hlau, xws li NiCr 70/30, NiCr 60/15, NiCr 60/23, NiCr 37/18, NiCr 35/20, NiCr 35/20, NiCr 25/20, Karma
Tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom:
| Khoom/Qib | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Cov Tshuaj Lom Zem Tseem Ceeb (%) | 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. | |
| Kub Ua Haujlwm Siab Tshaj (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Kev tiv taus ntawm 20ºC (μΩ · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Qhov Ceev (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Kev Ua Kub (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Cov Coefficient ntawm Thermal Expansion (α × 10-6 / ºC) | 18 | 17 | 17 | 19 | 19 | |
| Melting Point (ºC) | 1400 | 1380 xyoo | 1390 xyoo | 1390 xyoo | 1390 xyoo | |
| Kev ntev (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Cov Qauv Micrographic | austenite | austenite | austenite | austenite | austenite | |
| Khoom Siv Sib Nqus | tsis yog hlau nplaum | tsis yog hlau nplaum | tsis yog hlau nplaum | tsis yog hlau nplaum | tsis yog hlau nplaum | |
Qhov loj li niaj zaus:
Peb muab cov khoom lag luam hauv cov duab ntawm cov hlau, cov hlau tiaj tus, strip. Peb kuj tuaj yeem ua cov khoom siv raws li cov neeg siv khoom thov.
Hlau ci ntsa iab, annealed, mos mos - 0.025mm ~ 5mm
Acid pickling dawb hlau: 1.8mm ~ 10mm
Hlau oxidized: 0.6mm ~ 10mm
Hlau tiaj tus: tuab 0.05mm ~ 1.0mm, dav 0.5mm ~ 5.0mm
Txheej Txheem:
Hlau: Khoom siv npaj → yaj → rov yaj → forging → kub dov → kho cua sov → kho qhov chaw → kos duab (dov) → tiav kho cua sov → tshuaj xyuas → pob → tsev rau khoom
Cov yam ntxwv ntawm cov khoom:
1) Zoo heev tiv thaiv oxidation thiab lub zog kho tshuab ntawm qhov kub siab;
2) Kev tiv taus siab thiab coefficient kub tsawg ntawm kev tiv taus;
3) Kev rov ua dua zoo heev thiab kev ua tau zoo;
4) Kev ua tau zoo heev ntawm kev vuam
Kev siv rau txhua qib:
NiCr 80/20: nyob rau hauv braking resistors, industrial furnaces, flat irons, ironing machines, dej heaters, yas molding dies, soldering irons, hlau sheathed tubular ntsiab lus thiab cartridge ntsiab lus.
NiCr 70/30: nyob rau hauv cov cub tawg kev lag luam. zoo suited rau kev txo cov huab cua, vim nws tsis raug 'ntsuab rot'.
NiCr 60/15: nyob rau hauv braking resistors, industrial furnaces, kub phaj, grills, toaster qhov cub thiab cia cua sov. Rau suspended coils nyob rau hauv cua sov nyob rau hauv khaub ncaws dryers, kiv cua cua sov, tes dryers.
NiCr 35/20: nyob rau hauv braking resistors, industrial furnaces. Nyob rau hauv hmo ntuj-cia cua sov, convection cua sov, hnyav luag hauj rheostats thiab kiv cua cua sov. Rau cua sov cables thiab hlua cua sov nyob rau hauv defrosting thiab de-icing ntsiab lus, hluav taws xob pam thiab pads, tsheb rooj zaum, baseboard cua sov thiab pem teb cua sov.
NiCr 30/20: nyob rau hauv cov phaj kub khoom, qhib kauj cua sov hauv HVAC systems, hmo-cia cua sov, convection cua sov, hnyav ua haujlwm rheostats thiab kiv cua cua sov. Rau cua sov cables thiab hlua cua sov nyob rau hauv defrosting thiab de-icing ntsiab lus, hluav taws xob pam thiab pads, tsheb rooj zaum, baseboard cua sov, pem teb cua sov thiab resistors.
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