Nickel Chromium AlloyNi80cr20 Flat Waya Kutentha Element
Ni80Cr20 ndi aloyi wa nickel-chromium (NiCr alloy) Imatha kupanga zokutira zomata bwino zomangika bwino kwambiri, madulidwe amagetsi komanso kukana kutentha kwa okosijeni mpaka 1800 degrees F (980 degrees C), ndipo imakhala ndi moyo wabwino kwambiri kuposa Iron. chromium aluminium alloys.Imawonetsa kutentha kwakukulu pakagwiritsidwa ntchito
Ntchito:
Ntchito zofananira za Ni80Cr20 ndi zamagetsikutentha chinthus mu zipangizo zapakhomo, ng'anjo mafakitale ndi resistors (wirewound resistors, zitsulo filimu resistors), zitsulo lathyathyathya, makina ironing, zotenthetsera madzi, pulasitiki akamaumba amafa, soldering zitsulo, zitsulo sheathed tubular elements ndi cartridge elements.Normal composition%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Zina |
Max | |||||||||
0.03 | 0.02 | 0.015 | 0.60 | 0.75-1.60 | 20.0-23.0 | Bali. | Kuchuluka kwa 0.50 | Kuchuluka kwa 1.0 | - |
Makina Okhazikika (1.0mm)
Zokolola mphamvu | Kulimba kwamakokedwe | Elongation |
Mpa | Mpa | % |
420 | 810 | 30 |
Zodziwika bwino zakuthupi
Kuchulukana (g/cm3) | 8.4 |
Kulimbana ndi magetsi pa 20ºC(mm2/m) | 1.09 |
Coefficient ya conductivity pa 20ºC (WmK) | 15 |
Coefficient ya kukula kwa kutentha | |
Kutentha | Coefficient of Thermal Expansion x10-6/ºC |
20 ºC-1000ºC | 18 |
Kuchuluka kwa kutentha kwapadera | |
Kutentha | 20ºC |
J/gK | 0.46 |
Malo osungunuka (ºC) | 1400 |
Kutentha kosalekeza kosalekeza mumlengalenga (ºC) | 1200 |
Maginito katundu | wopanda maginito |
Kutentha Zinthu Za Magetsi Resistivity | |||||
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 | - |
Mtundu wa kaperekedwe
Dzina la Alloys | Mtundu | Dimension | ||
Ni80Cr20W | Waya | D = 0.03mm ~ 8mm | ||
Mtengo wa Ni80Cr20R | Riboni | W=0.4~40 | T=0.03~2.9mm | |
Ni80Cr20S | Kuvula | W = 8 ~ 250mm | T=0.1~3.0 | |
Ni80Cr20F | Chojambula | W = 6 ~ 120mm | T=0.003~0.1 | |
Ni80Cr20B | Malo | Dia = 8 ~ 100mm | L=50~1000 |