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20 Chitsulo chosapanga dzimbiri
Chitsulo chosapanga dzimbiri cha Aloyi
Chitsulo chosapanga dzimbiri cha Aloyi
Chitsulo chosapanga dzimbiri cha Aloyi

Aloyi 20 Chitsulo chosapanga dzimbiri

Alloy 20 (UNS N08020) ndi austenitic, nickel-iron-chromium based super alloy yokhala ndi zowonjezera za Copper ndi Molybdenum zomwe zimapereka kukana madera ankhanza, pitting, ndi dzimbiri. Imakhazikikanso ndi Columbium kuti achepetse mvula ya carbide panthawi yowotcherera. Aloyi 20 ikuwoneka kuti ikugwera pakati pa magulu onse osapanga dzimbiri ndi faifi tambala popeza ili ndi mawonekedwe a onse awiri.
Zambiri Zamalonda
Alloy 20 (UNS N08020) ndi austenitic, nickel-iron-chromium based super alloy yokhala ndi zowonjezera za Copper ndi Molybdenum zomwe zimapereka kukana madera ankhanza, pitting, ndi dzimbiri. Imakhazikikanso ndi Columbium kuti achepetse mvula ya carbide panthawi yowotcherera. Aloyi 20 ikuwoneka kuti ikugwera pakati pa magulu onse osapanga dzimbiri ndi faifi tambala popeza ili ndi mawonekedwe a onse awiri. Linapangidwa kuti lizitha kukana kwambiri kuukira kwa asidi ndikuwonetsa kukana kwamphamvu kupsinjika-kusweka kwa dzimbiri pakutentha kwa 20% mpaka 40% sulfuric acid, komanso kumakhala ndi kukana kwa dzimbiri kwa sulfuric acid ndi kupsinjika kwa kloride kusweka kwa dzimbiri. Alloy 20 ili ndi makina abwino pamatenthedwe ozungulira komanso okwera, mpaka pafupifupi 930 ° F (500 ° C) ndipo amapangidwa mosavuta ndi njira zanthawi zonse zamafakitale.

Zofotokozera
Standard Aloyi 20
1 UNS N08020
2 Werkstoff Nr. 2.4660
Deta yaukadaulo

Chemical Properties:

TYPE C Cr Ku Fe Mn Mo Ndi P Si S Nb
(Cb)
Aloyi 20
UNS
N08020
0.07
max
mphindi: 19.00
kukula: 21.00
mphindi: 3.00
kukula: 4.00
Kusamala 2.00
max
mphindi: 2.00
kukula: 3.00
mphindi: 32.00
kukula: 38.00
0.045
max
1.00
max
0.035
max
8 XC mphindi
1.00 max


Katundu Wamakina:

Chikhalidwe Chokhazikika
Fomu Yogulitsa Tensile
Mphamvu, ksi (min)
Zotuluka
Mphamvu, 0.2% kuchepetsa ksi (min)
Elongation % (min) Kuchepetsa Malo
% (mphindi)
Kuuma
Brinell (max)
Kuuma
Rockwell B (max)
Plate, Mapepala 80 35 30 - 217 95
Malo 80 35 30 50 - -
Kuchulukana 8.1 g/cm3
Melting Point 1443 °C (2430 °F)

Mawonekedwe

  • Kuchuluka kwa dzimbiri, pitting ndi kukana ming'alu
  • Lili ndi Niobium yokhazikika motsutsana ndi kukhudzidwa komanso kupangika kwa intergranular corrosion
  • Wabwino makina katundu ndi fabricability
  • Kutsika kochepa kwa carbide panthawi yowotcherera


Mapulogalamu
Chifukwa cha kukana kwambiri kwa dzimbiri, Aloyi 20 imagwiritsidwa ntchito popanga mankhwala, kupanga chakudya, mankhwala, kupanga magetsi ndi mapulasitiki. Mavavu, mapampu ndi makina okakamiza ndi zina mwazinthu zodziwika bwino zomwe Aloyi 20 imagwiritsidwa ntchito.



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