Utangulizi wa Aloi ya Nikeli ya Chromium:
Aloi ya nikeli ya Chromium ina upinzani wa juu, mali nzuri ya kuzuia oksidi, nguvu ya joto la juu, utulivu mzuri wa fomu na uwezo wa weld. Inatumika sana katika nyenzo za kupokanzwa umeme, kontena, tanuu za viwandani, nk.
Maelezo ya Kina:
Daraja: NiCr 80/20 pia inaitwa Chromel A, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Alloy A, MWS-650, Stablohm 650, NCHW1
Pia tunazalisha aina nyingine za waya zinazokinza nikromu, kama vile NiCr 70/30, NiCr 60/15, NiCr 60/23, NiCr 37/18, NiCr 35/20, NiCr 35/20, NiCr 25/20, Karm.
Utendaji\ nyenzo | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Muundo | Ni | 90 | Pumzika | Pumzika | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
Cr | 10 | 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 | Pumzika | Pumzika | Pumzika | ||
Kiwango cha juu cha halijotoºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Kiwango myeyuko ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Uzito g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Ustahimilivu katika 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
Kurefusha wakati wa kupasuka | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Joto maalum J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
Conductivity ya joto KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
Mgawo wa upanuzi wa mistari a×10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
Muundo wa Micrographic | Austenite | Austenite | Austenite | Austenite | Austenite | ||
Tabia za sumaku | Isiyo ya sumaku | Isiyo ya sumaku | Isiyo ya sumaku | Nguvu ya sumaku dhaifu | Nguvu ya sumaku dhaifu |
Bidhaa: Ukanda wa Nichrome/Mkanda wa Nichrome/Jedwali la Nichrome/Bamba la Nichrome
Daraja: Ni80Cr20/Resistohm 80/Chromel A
Muundo wa Kemikali: Nickel 80%, Chrome 20%
Upinzani: 1.09 ohm mm2/m
Hali: Bright, Annealed, Soft
Uso: BA, 2B, iliyong'olewa
Kipimo: Upana 1 ~ 470mm, Unene 0.005mm ~ 7mm
Pia tunazalisha NiCr 60/15, NiCr 38/17, NiCr 70/30, NiCr AA, NiCr 60/23, NiFe80, NiFe50, NiFe42,NiFe36, nk.
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