ZG35Cr24Ni7SiN Centrifugal Cast Pipes: The Mutengo{3}}Kushanda Sarudzo Yekemikari Indasitiri Yepamusoro-Temperature Applications

ZG35Cr24Ni7SiN Centrifugal Cast Pipes: The Mutengo{3}}Kushanda Sarudzo Yekemikari Indasitiri Yepamusoro-Temperature Applications
Muindasitiri yemakemikari, michina inoshanda pasi pemamiriro ezvinhu anoda zvakanyanya-kunyanya kupisa, kuchovha bhasikoro, oxidation, sulfidation, uye corrosive atmosphere. Idzi nharaunda dzakakasharara dzinoisa zvinodiwa zvakasimba pakuvimbika, kusimba, uye kushanda kwezvinopisa-zvinodzivirira kupisa. Pakati pezvikamu zvakakosha izvi, ZG35Cr24Ni7SiN centrifugal cast pipes inomira pachena semhinduro inosarudzwa pakufambisa-temperature flue gas, process media, and corrosive materials.
Inonyanya kuzivikanwa se "Ni7N", ZG35Cr24Ni7SiN ininickel-inochengetedza austenitic heat-resistant cast cast steel yakagadziridzwa kuitira{6}}tembiricha yepamusoro. Kana ichienzaniswa neyechinyakare yakakwira-nickel mamakisi akadai se2520 (HK40 / 1.4841), inopa yakaenzana kana nani yepamusoro-tembiricha simba, kupisa kutyisa kuramba, uye kuita ngura pamutengo wakaderera zvakanyanya. Kune akawanda emakemikari epamusoro-tembiricha ekushandisa pakati pe900 dhigirii uye 1100 dhigirii, ZG35Cr24Ni7SiN inopa yakanakisa chiyero chekuita, kuvimbika, uye hupfumi.
Ichi chinyorwa chinopa mucherechedzo wakadzama weZG35Cr24Ni7SiN zvinhu zviyero, kuumbwa kwemakemikari, zvakakosha zvivakwa, centrifugal casting zvakanakira, zvakajairwa maapplication, uye kuenzanisa kwegiredhi repasirese, kubatsira mainjiniya emakemikari, zvikwata zvekutenga, uye maneja ezvirimwa kuita sarudzo dzine ruzivo.

1. Material Standards & Chemical Composition

ZG35Cr24Ni7SiN isimbi yepamusoro-chromium, yakaderera-nickel austenitic inodzivirira kupisa yakakandwa simbi yakagadzirwa kugadzira pombi yecentrifugal cast. Kuumbwa kwekemikari kwacho kwakanyatso kurongeka kune yakakwirira-tembiricha oxidation kuramba, sulfidation kuramba, uye kugadzikana kwechimiro, uku ichideredza nickel yemukati yemutengo wakanaka.
1.1 Chinese Standard
Giredhi: ZG35Cr24Ni7SiN
Standard: GB/T 8492-2014 Heat-Resistant Steel Castings
1.2 International Equivalent Grades
ZG35Cr24Ni7SiN ine zvinonyatso zivikanwa zvakaenzana pamiyero mikuru yepasirese, kuve nechokwadi chekuyambuka muganhu uye kutsanangurwa kuri nyore kumapurojekiti epasi rose.

1.3 Yakajairika Chemical Maumbirwo (wt%)

Mabasa Akakosha:
Chromium (Cr): Inogadzira dense Cr₂O₃ oxide firimu yeoxidation uye sulfidation kuramba.
Nickel (Ni): Inodzikamisa austenite, inovandudza kuomarara uye kupisa kuneta kuramba.
Silicon (Si): Inowedzera oxide firimu kugadzikana uye kukanda.
Nitrogen (N): Inopa kusimba-mugadziriso kusimba, inoderedza kutsamira nickel, uye inowedzera tembiricha yekukwira nesimba.

2. Core Performance Characteristics
ZG35Cr24Ni7SiN centrifugal cast pombi dzakagadzirirwa basa renguva refu pa1050-1100 dhigirii, iine yakanakisa mechanic uye inopokana nemamiriro ekunze.
2.1 Tembiricha Kugona
Kuenderera mberi sevhisi: 1050-1100 dhigirii
Peak yenguva pfupi: Kusvikira ku1200 degree
Inokodzera akawanda emakemikari epamusoro-tembiricha maitiro, anosanganisira kutsemuka, kuisa gasi, kupisa, uye kudzoreredza kupisa.
2.2 Mechanical Properties (Centrifugal Cast Condition)
Tensile simba (RT): Yakakura kupfuura kana yakaenzana ne500 MPa
Goho simba (RT): Yakakura kupfuura kana yakaenzana ne300 MPa
Elongation: Yakakura kupfuura kana yakaenzana ne12%
Simba repamusoro-tembiricha (1000 degree): Yakakura kupfuura kana yakaenzana ne230 MPa
Yakanakisa creep resistance uye kugadzikana kwemafuta pasi pemutoro wakareba pakupisa kwakanyanya.
2.3 Corrosion & Thermal Shock Resistance
Oxidation kuramba: Yakaderera oxidation mwero pa1100 dhigirii, ine yakagadzikana inodzivirira oxide layer.
Thermal shock resistance: Inoshingirira kudzokororwa kudziya/kutonhora kutenderera (ΔT > 600℃) pasina kutsemuka-yakanakira kugarotanga-kumira maoperation.
Sulfidation & carburization kuramba: Inopikisa sulfur-inotakura flue gasi uye carburizing mamiriro ekunze, akajairika mumarasha kemikari uye petrochemical maitiro.

3. Zvakanakira Centrifugal Casting Process
ZG35Cr24Ni7SiN mapaipi anogadzirwa kuburikidza nekumhanya-mhanya centrifugal casting, iyo inopa mabhenefiti akakosha pamusoro pekukandira jecha rakasimba:
Dense, pore-isina chimiro: Centrifugal simba (1000-3000 × g) inodzinga gasi netsvina, kuderedza porosity, shrinkage, uye inclusions.
Uniform madziro ukobvu & nemadimendi chaiwo: Tight tolerances (± 0.5 mm) uye yakanakisa kutenderera kuitira nyore kugadzika uye welding.
Yakanaka zviyo chimiro: Inovandudza yakakwirira-tembiricha simba, zvinokambaira kuramba, uye kuneta hupenyu.
Yakapfava yemukati/kunze nzvimbo: Inoderedza midhiya inonamira, guruva kuvaka, uye ngura, inorebesa hupenyu hwesevhisi.

4. Mashandisirwo Akajairika muindasitiri yemakemikari
ZG35Cr24Ni7SiN centrifugal cast mapombi anoshandiswa zvakanyanya munzvimbo dzese dzepetrochemical, marasha kemikari, makemikari akanaka, uye zvikamu zvekuchengetedza kwezvakatipoteredza:
Petrochemical: Kupwanya machubhu echoto, reformer inopenya machubhu, yakakwirira-tembiricha mitsara yemhepo.
Coal Chemical: Mapombi ekufambisa gasi, tsvina inopisa boiler flue ducts, cyclone inlet / outlet pombi.
Fine Kemikari: Kugocha machubhu echoto, zvikamu zvekupisa, yakakwirira-tembiricha reactor yemukati.
Kuchengetedzwa Kwenzvimbo: Flue gasi incinerator machubhu, desulfurization / denitrification yakakwirira-tembiricha zvikamu.
Mune zvese izvi zvinoshandiswa, ZG35Cr24Ni7SiN inopa kushanda kwakavimbika pa15-25% mutengo wakaderera pane 2520 (HK40 / 1.4841).

5. ZG35Cr24Ni7SiN vs. 2520 (HK40 / 1.4841)

Mhedziso: Pachikamu che95% chemakemikari ekupisa ari pasi pe1100 dhigirii , ZG35Cr24Ni7SiN ndiyo sarudzo yakakwana-kupa kuvimbika kwakaenzana ku2520 nemutengo wakaderera.
Taura nesu
Kana iwe uine chero mibvunzo nezve ZG35Cr24Ni7SiN centrifugal cast pombi, kana uchida mhinduro dzakagadziridzwa dzemakemikari ako ekupisa kwekushisa, ndapota inzwa wakasununguka kutibata nesu:
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