Ni70Cr30est chromium nickel-aloyum (NiCr alloy) proprium resistentiae altae, resistentiae oxidationis bonae et firmitatis formae valde bonae.Ad usum temperaturis usque ad 1250°C aptum est, et vitam superiorem chromium alumii mixti ferrei comparatam habere.
Applicationes typicae pro Ni70Cr30 sunt elementa electrica calefactoria in domum adjumenta, fornax industriae et resistentes (resistentes wirewound, resistores metallicus pellicularum), ferramenta plana, machinis ferreis, calentium aqua, corona plastica moritur, ferrum solidans, elementa metalla vaginata tubulosa et cartridge elementa.
Normalis compositionem%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
Max | |||||||||
0.03 | 0.02 | 0.014 | 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Max 0.50 | Max 1.0 | - |
Typical Physica
Densitas (g/cm3) | 8.1 |
Electrical resistivity at 20ºC(mm2/m) | 1.18 |
Coefficiens scelerisque expansion | |
Temperature | Coefficiens Scelerisque Expansion x10-6/ºC |
20 C- 1000ºC | 17 |
Imprimis calor facultatem | |
Temperature | 20ºC |
J/gK | 0.46 |
Punctum liquescens (ºC) | 1380 |
Max continua operating temperatus in aere (ºC) | 1250 |
Magnae possessiones | non magneticus |
Temperature factores Electrical Resistivity | |||||
20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
700C | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Genus copia
Alloys nomen | Type | Dimension | ||
Ni70Cr30W | Filum | D=0.03mm~8mm | ||
Ni70Cr30R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
Ni70Cr30S | Exue | W=8~250mm | T=0.1~3.0 | |
Ni70Cr30F | Foil | W=6~120mm | T=0.003~0.1 | |
Ni70Cr30B | Bar | Dia=8~100mm | L=50~1000 |