Ni7cr30ndi a Neckeal-Cromioy Aloy (Nicr Stoy) wodziwika ndi kukana kwakukulu, oxidation amakaniza zabwino komanso mawonekedwe abwino kwambiri. Ndioyenera kugwiritsa ntchito pamatenthedwe mpaka 1250 ° C, ndikugwira moyo wopambana poyerekeza ndi chitsulo chachitsulo cha alumiya.
Ntchito wambaNi7cr30Ndi zinthu zamagetsi zogwirira ntchito zapakhomo zamagetsi ndi zotsutsana (mawindo ogwirizana, makanema otemberera, makina opanga mapepala, ogulitsa zitsulo, zinthu za cartridge.
Kuphatikizika Kwabwino%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Ena |
Max | |||||||||
0.03 | 0.02 | 0.015 | 0,60 | 0.75 ~ 1.60 | 28.0 ~ 31.0 | Gofu. | Max 0.50 | Max 1.0 | - |
Wamba thupi
Kuchulukitsa (g / cm3) | 8.1 |
Kusamala kwamagetsi kwa 20ºC (mm2 / m) | 1.18 |
Kuchulukitsa kwa matenthedwe | |
Kutentha | Kugwirizana kwa matenthedwe a matenthedwe x10-6 / ºC |
20 ºC- 1000ºC | 17 |
Kutalika kwa kutentha | |
Kutentha | 20ºC |
J / gk | 0.46 |
Malo osungunuka (ºC) | 1380 |
Kutentha kosalekeza kopitilira mpweya (ºC) | 120 |
Magnetic katundu | Magnetic |
Njira Zamagetsi Zamagetsi | |||||
20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Mawonekedwe opezeka
Dzina la allos | Mtundu | M'mbali | ||
Ni70cr30w | Waya | D = 0.03mm ~ 8mm | ||
Ni7cr30r | Liboni | W = 0.4 ~ 40 | T = 0.03 ~ 2.9mm | |
Ni7cr30s | Mzere | W = 8 ~ 250mm | T = 0.1 ~ 3.0 | |
Ni7cr30f | Fouza | W = 6 ~ 120mm | T = 0.003 ~ 0.1 | |
Ni7cr30b | Letsa | Dia = 8 ~ 100mm | L = 50 ~ 1000 |