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Deskrizzjoni
Liga | Kostruzzjoni ta 'Strand Standard, MM | Reżistenza, ω / m | Dijametru tal-linja nominali, MM | Meter kull kilo |
NICR 80/20 | 19 × 0.544 | 0.233-0.269 | | 26 |
NICR 80/20 | 19 × 0.61 | 0.205-0.250 | | |
NICR 80/20 | 19 × 0.523 | 0.276-0.306 | 2.67 | 30 |
NICR 80/20 | 19 × 0.574 | | 2.87 | 25 |
NICR 80/20 | 37 × 0.385 | 0.248-0.302 | 2.76 | 26 |
NICR 60/15 | 19 × 0.508 | 0.286-0.318 | | |
NICR 60/15 | 19 × 0.523 | 0.276-0.304 | | 30 |
Ni | 19 × 0.574 | 0.020-0.027 | 2.87 | 21 |
Dettalji
Propertes / Grad | CR20NI80 | CR30NI70 | CR15NI60 | CR20NI35 | CR20NI30 |
Kompożizzjoni kimika ewlenija | Ni | Mistrieħ | Mistrieħ | 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 | Mistrieħ | Mistrieħ | Mistrieħ |
Massimu. Temp kontinwu tas-servizz. ta 'element | 1200 | 1250 | 1150 | 1100 | 1100 |
Reżistività f'20oC (μ ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 |
Densità (g / cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
Konduttività termali (KJ / M · H · OC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
Koeffiċjent ta 'espansjoni ta' linji (α × 10-6 / OC) | 18 | 17 | 17 | 19 | 19 |
Punt ta 'tidwib (appross.) (OC) | 1400 | 1380 | 1390 | 1390 | 1390 |
Titwil fil-ftuħ (%) | > 20 | > 20 | > 20 | > 20 | > 20 |
Struttura mikrografika | Austenite | Austenite | Austenite | Austenite | Austenite |
Propjetajiet manjetiċi | mhux magnetiku | mhux magnetiku | mhux magnetiku | mhux magnetiku | mhux magnetiku |
Kompożizzjoni kimika | Nickel, Chrome |
Kundizzjoni | Kulur abjad qawwi / aċidu / ossidat |
Grad | Ni80cr20, Ni70 / 30, Ni60cr15, Ni60cr23, Ni35Cr20fe, Ni30CR20 Ni80, Ni70, Ni60, Ni60, Ni40, |
Vantaġġ | L-istruttura metallurġika ta 'Nichrome tagħtihom plastiċità tajba ħafna meta tkun kiesħa. |
Karatteristiċi | Prestazzjoni stabbli; Anti-ossidazzjoni; Reżistenza għall-korrużjoni; Stabbiltà tat-temperatura għolja; Abbiltà eċċellenti li tifforma l-kolja; Kundizzjoni uniformi u sabiħa tal-wiċċ mingħajr tikek. |
Wajers tar-reżistenza |
RW30 | W.NR 1.4864 | Nickel 37%, Chrome 18%, Ħadid 45% |
RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Kobalt 11%, molibdenum 10%, titanju 3% |
RW45 | W.NR 2.0842 | Nickel 45%, ram 55% |
RW60 | W.NR 2.4867 | Nickel 60%, Chrome 16%, ħadid 24% |
RW60 | UNS NO6004 | Nickel 60%, Chrome 16%, ħadid 24% |
RW80 | W.NR 2.4869 | Nickel 80%, Chrome 20% |
RW80 | UNS NO6003 | Nickel 80%, Chrome 20% |
RW125 | W.NR 1.4725 | Iron Bal, Chrome 19%, aluminju 3% |
RW145 | W.NR 1.4767 | Iron Bal, Chrome 20%, aluminju 5% |
RW155 | | Iron Bal, Chrome 27%, aluminju 7%, molibdenum 2% |



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