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Kiʻi i hōʻike ʻia no ka ʻoihana mīkini uila, ʻo ke kaha Nichrome 80/20 kiʻekiʻe loa.
  • ʻO ke kaha Nichrome 80/20 kiʻekiʻe no ka ʻoihana hana uila

ʻO ke kaha Nichrome 80/20 kiʻekiʻe no ka ʻoihana hana uila

Wehewehe Pōkole:

ʻO ka uea Nichrome 80/20 kahi metala hao ʻole me kahi kiko heheʻe kiʻekiʻe a me ke kūpaʻa i ka pala. Ma muli o kona hana maikaʻi a me ka ikaika wela kiʻekiʻe, hoʻohana nui ʻia ia no nā noi hana kaumaha ma ka ʻoihana mīkini uila.


  • Papa:80/20 Nichrome Strip
  • Nui:hiki ke hoʻopilikino ʻia
  • ʻAno:ʻAʻahu
  • Ka mahana hana kiʻekiʻe loa (°C):1200
  • Ka nui (g/cm³):8.4
  • Waiwai Magnetic:ʻaʻole
  • Ola wikiwiki (h/℃):≥81/1200

    • Nā kikoʻī huahana

    Nā nīnau i nīnau pinepine ʻia

    Nā Lepili Huahana

    ʻO nā hui Nickel Chrome (NiCr) he mau mea kūpaʻa kiʻekiʻe i hoʻohana pinepine ʻia i nā noi me nā mahana hana kiʻekiʻe loa a hiki i ka 1,250°C (2,280°F).

    Ua ʻike ʻia kēia mau mea hoʻohuihui Austenitic no ko lākou ikaika mechanical kiʻekiʻe i nā mahana i hoʻohālikelike ʻia me nā mea hoʻohuihui FeCrAl a me ko lākou ikaika kolo kiʻekiʻe. Noho mau nā mea hoʻohuihui Nickel Chrome i ʻoi aku ka ductile i ka hoʻohālikelike ʻia me nā mea hoʻohuihui FeCrAl ma hope o nā manawa lōʻihi i ka mahana. Hoʻokumu ʻia kahi Chromium Oxide ʻeleʻele (Cr2O3) i nā mahana kiʻekiʻe i hiki ke spalling, a i ʻole flaking, e hana ana i ka haumia ma muli o ka noi. ʻAʻohe o kēia oxide i nā waiwai insulation uila e like me ka Aluminum Oxide (Al2O3) o nā mea hoʻohuihui FeCrAl. Hōʻike nā mea hoʻohuihui Nickel Chrome i ke kūpaʻa maikaʻi i ka corrosion me ka ʻokoʻa i nā wahi kahi i loaʻa ai ka sulfur.

    Papa Ni80Cr20 Ni70Cr30 Ni60Cr23 Ni60Cr15 Ni35Cr20 Karma ʻEwanohm
    Ka hoʻohui inoa% Ni Bal Bal 58.0-63.0 55.0-61.0 34.0-37.0 Bal Bal
      Cr 20.0-23.0 28.0-31.0 21.0-25.0 15.0-18.0 18.0-21.0 19.0-21.5 19.0-21.5
      Fe ≦1.0 ≦1.0 Bal Bal Bal 2.0-3.0 –
            Al1.0-1.7 Ti 0.3-0.5     Al2.7-3.2 Mn0.5-1.5 Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5
    Ka mahana hana kiʻekiʻe loa (°C) 1200 1250 1150 1150 1100 300 400
    Resisivity (Ω/cmf, 20 ℃) 1.09 1.18 1.21 1.11 1.04 1.33 1.33
    Resisivity (uΩ/m, 60°F) 655 704 727 668 626 800 800
    Ka nui (g/cm³) 8.4 8.1 8.4 8.2 7.9 8.1 8.1
    Ka Hoʻokele Wela (KJ/m·h·℃) 60.3 45.2 45.2 45.2 43.8 46.0 46.0
    Ka helu hoʻonui laina (×10¯6/℃)20-1000℃) 18.0 17.0 17.0 17.0 19.0 - -
    Kiko Heheʻe (℃) 1400 1380 1370 1390 1390 1400 1400
    Paʻakikī (Hv) 180 185 185 180 180 180 180
    Ikaika Tensile (N/mm)2 ) 750 875 800 750 750 780 780
    Hoʻolōʻihi (%) ≥20 ≥20 ≥20 ≥20 ≥20 10-20 10-20
    ʻAno Micrographic ʻaustenite ʻaustenite ʻaustenite ʻaustenite ʻaustenite ʻaustenite ʻaustenite
    Waiwai Magnetic ʻAʻole ʻAʻole ʻAʻole ʻAʻole nui ʻAʻole ʻAʻole ʻAʻole
    Ola wikiwiki (h/℃) ≥81/1200 ≥50/1250 ≥81/1200 ≥81/1200 ≥81/1200 - -

     

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  • Aʻe:
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