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Uaea u'amea nikeli chrome Ni70Cr30
Uaea u'amea chrome nikeliNi70Cr30
Cr30Ni70 Nichrome Alloy Eletrothermal Coil Strip, Sable Resistance mo Elemene vevela,
NiCr70/30
u'amea chromium nikeli ma u'amea tetee electrothermal maualuga resistivity, luga tino lelei feusuaiga. I le maualuga o le vevela ma le maualuga o le malosi,
ma le lelei le fa'atinoga ma le fa'agaioiga e mafai ona fa'aigoaina le natura fa'aogaina lautele fa'ameamea, eletise, mea fa'ainisinia ma eletise
fale gaosi oloa mo le faia o mea e tetee i le vevela.
NiCr Ituaiga:Cr20Ni80,Cr15Ni60,Cr20Ni35,Cr20Ni30,Cr25Ni20 etc.Series eletise mafolafola fusipaʻu, uaea afi afi.
3. Oloa tele:
Mafiafia: 0.02—-4.0mm
Lautele: 2.5—-250mm
Tulaga masani:GB1234-95
Malamalama ma lamolemole luga
Ni70Cr30
O mea tau vaila'au,%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Isi |
| Max | |||||||||
| 0.08 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Max 0.50 | Max 1.0 | - |
Meatotino Fa'ainisinia
| Mamalu Au'aunaga Fa'aauau: Resisivity (20ºC)/Ω·m::Density: Amioga vevela: Coefficient o le fa'alauteleina o le vevela: Lisi Lisi: Fa'aumiumi: Fa'atonuga fa'ata'oto: Meatotino maneta: | 1250ºC 1.18 +/-0.05 (Dia: <0.5mm) 1.20+/-0.05 (Dia: ≥0.50 mm) 8.1 g/cm3 45.2 KJ/m·h·ºC 17×10-6/ºC (20ºC~1000ºC) 1380ºC Min 20% Austenite lē fa'amaneta |
| Ituaiga | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Fa'atosina fa'aaupuga | Ni | Malolo | 55.0~61.0 | Malolo | 34.0~37.0 | 30.0~34.0 |
| Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1 | Malolo | ≤1 | Malolo | Malolo | |
| Vave maualuga (ºC) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Tete'e Fa'asa'o le vevela.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
| Mea liusuavai (ºC) | 1400 | 1390 | 1380 | 1390 | 1390 | |
| Tete'eρ20ºC(10-6Ω.m) | 800ºC | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
| 1000ºC | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
| 1200ºC | 1.025 | 1.043 | ||||
| Taua o le olaga vave | Tem.(ºC) | 1175 | 1100 | 1200 | 1050 | 1050 |
| itula(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Kalave fa'apitoa(g/cm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 | |
| Fa'atele(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
| Avela(kj/mhºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Avela faapitoa(20ºC)j/g.ºC | 0.440 | 0.494 | 0.461 | 0.500 | 0.500 | |
| Fa'alautele le malosi(20~1000ºC)α*10-6ºC | 18.0 | 17.0 | 17.1 | 19.0 | 19.0 | |
| Malosi tete'e(kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
| Pi'o pea (F/R) | >12 | >12 | >12 | >12 | >12 | |
| Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
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