China Nickel Chromium Alloy Cr20Ni80 Strip Nichrome Ni80Cr20 Kupanga Tepi ndi Fakitale

Tepi ya Nikeli ya Chromium Alloy Cr20Ni80 Strip Nichrome Ni80Cr20

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NI90Cr10, yomwe imadziwikanso kuti Nichrome 90 kapena NiCr 90/10, ndi aloyi yogwira ntchito bwino kwambiri yomwe imapereka kukana bwino kutentha kwambiri ndi dzimbiri. Ili ndi malo osungunuka kwambiri pafupifupi 1400°C (2550°F) ndipo imatha kusunga mphamvu zake komanso kukhazikika ngakhale kutentha kuli pamwamba pa 1000°C (1832°F).

Chitsulochi chimagwiritsidwa ntchito kwambiri pa ntchito zomwe zimafuna zinthu zotenthetsera, monga m'mafakitale, ma uvuni, ndi zida zotenthetsera. Chimagwiritsidwanso ntchito popanga ma thermocouple, omwe amagwiritsidwa ntchito poyesa kutentha m'mafakitale osiyanasiyana.

NI90Cr10 ili ndi mphamvu yabwino kwambiri yolimbana ndi okosijeni, zomwe zimapangitsa kuti ikhale yothandiza kwambiri m'malo otentha kwambiri komwe zinthu zina zimatha kuwononga ndikuwonongeka mwachangu. Ilinso ndi mphamvu zabwino zamakaniko, monga mphamvu yayikulu yogwira ntchito komanso kusinthasintha kwabwino, zomwe zimapangitsa kuti ikhale yosavuta kupanga ndi kupanga mawonekedwe.

Ponena za mapaipi opangidwa ndi alloy iyi, nthawi zambiri amagwiritsidwa ntchito m'malo omwe kutentha kwambiri komanso kuwononga kumakhalapo, monga m'mafakitale opangira mankhwala, petrochemical, ndi opanga magetsi. Katundu weniweni wa chitolirocho, monga kukula kwake, makulidwe a khoma, ndi kupanikizika, zimatengera kagwiritsidwe ntchito komwe kakufuna komanso zofunikira za polojekitiyi.

Magwiridwe antchito\ zinthu		Cr10Ni90	Cr20Ni80	Cr30Ni70	Cr15Ni60	Cr20Ni35	Cr20Ni30
Kapangidwe kake	Ni	90	Mpumulo	Mpumulo	55.0~61.0	34.0~37.0	30.0~34.0
	Cr	10	20.0~23.0	28.0~31.0	15.0~18.0	18.0~21.0	18.0~21.0
	Fe		≤1.0	≤1.0	Mpumulo	Mpumulo	Mpumulo
Kutentha kwakukuluºC		1300	1200	1250	1150	1100	1100
Malo osungunuka ºC		1400	1400	1380	1390	1390	1390
Kuchuluka kwa g/cm3		8.7	8.4	8.1	8.2	7.9	7.9
Kukana kwa kutentha pa 20ºC((μΩ·m)			1.09±0.05	1.18±0.05	1.12±0.05	1.00±0.05	1.04±0.05
Kutalika pa kuphulika		≥20	≥20	≥20	≥20	≥20	≥20
Kutentha kwapadera J/g.ºC			0.44	0.461	0.494	0.5	0.5
Kutentha kwa matenthedwe KJ/m.hºC			60.3	45.2	45.2	43.8	43.8
Kukula kwa mizere koyefishienti a×10-6/ (20~1000ºC)			18	17	17	19	19
Kapangidwe ka micrographic			Austenite	Austenite	Austenite	Austenite	Austenite
Katundu wa maginito			Yopanda maginito	Yopanda maginito	Yopanda maginito	Maginito ofooka	Maginito ofooka

Mapaipi a NI90Cr10 nthawi zambiri amagwiritsidwa ntchito m'malo omwe kutentha kwambiri komanso kuwononga kumakhalapo, monga m'mafakitale opangira mankhwala, petrochemical, ndi opanga magetsi. Mapaipi awa amadziwika kuti amalimbana bwino ndi okosijeni ndi dzimbiri, zomwe zimapangitsa kuti akhale abwino kwambiri kugwiritsidwa ntchito m'malo omwe ali ndi mayankho a acidic kapena alkaline. Zina mwa ntchito zenizeni za mapaipi a NI90Cr10 ndi izi:

Kukonza mankhwala: Mapaipi a NI90Cr10 nthawi zambiri amagwiritsidwa ntchito pokonza mankhwala komwe kuli kutentha kwambiri komanso zinthu zowononga. Mapaipi awa amatha kugwiritsidwa ntchito kunyamula mankhwala owononga ndipo amatha kupirira kukhudzidwa ndi njira za acidic kapena alkaline.
Mapaipi a Petrochemical: Mapaipi a NI90Cr10 amagwiritsidwanso ntchito mumakampani opanga mafuta, komwe amagwiritsidwa ntchito popanga mafuta ndi gasi. Amatha kupirira kutentha kwambiri komanso kupanikizika ndipo amalimbana ndi dzimbiri, zomwe zimapangitsa kuti akhale abwino kugwiritsa ntchito m'malo ovuta.
Kupanga magetsi: Mapaipi a NI90Cr10 amagwiritsidwa ntchito popanga magetsi monga ma turbine a gasi ndi ma turbine a nthunzi. Mapaipi awa amatha kupirira kutentha kwambiri komanso kuthamanga kwambiri ndipo amalimbana ndi dzimbiri, zomwe zimapangitsa kuti akhale abwino kwambiri kugwiritsidwa ntchito m'mafakitale opanga magetsi.
Ndege: Mapaipi a NI90Cr10 amagwiritsidwanso ntchito m'mapulogalamu a ndege komwe kuli kutentha kwambiri komanso zinthu zowononga. Mapaipi awa angagwiritsidwe ntchito m'mainjini a ndege, ma rocket, ndi zida zina zoyendetsera ndege zomwe zimagwira ntchito bwino kwambiri.

Makhalidwe enieni a mapaipi a NI90Cr10, monga kukula kwawo, makulidwe a khoma, ndi kuchuluka kwa kupanikizika, zimatengera kagwiritsidwe ntchito komwe kakufuna komanso zofunikira za polojekitiyi. Mapaipiwo akhoza kusinthidwa kuti akwaniritse zosowa zenizeni za ntchitoyo, monga kutentha kofunikira ndi kuchuluka kwa kupanikizika, mtundu wa madzi kapena mpweya, ndi momwe chilengedwe chilili. Ponseponse, kuphatikiza kwapadera kwa kukana kutentha kwambiri, mphamvu ya makina, ndi kukana dzimbiri kumapangitsa mapaipi a NI90Cr10 kukhala chinthu chamtengo wapatali pa ntchito zosiyanasiyana zapamwamba m'mafakitale osiyanasiyana.

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