Chitsulo chosapanga dzimbiri cha AISI 904L kapena AISI 904L (WNR1.4539) ASTM A 249, N08904, X1NiCrMoCu25-20-5 ndi chitsulo chosapanga dzimbiri cha austenitic chomwe chili ndi alloy yambiri. Poyerekeza ndi 316L, SS904L ili ndi carbon yochepa (C), chromium (Cr) yambiri, komanso pafupifupi kawiri nickel (Ni) ndi molybdenum (Mo) zomwe zili 316L, zomwe zimapangitsa kuti kutentha kwake kukhale kwakukulu...
Chitsulo chosapanga dzimbiri cha 904L (N08904,, 14539) cha super austenitic chili ndi 19.0-21.0% chromium, 24.0-26.0% nickel, ndi 4.5% molybdenum. Chitsulo chosapanga dzimbiri cha 904L super austenitic ndi chitsulo chopanda kaboni, chapamwamba, cha molybdenum austenitic chosapanga dzimbiri, chomwe ndi chinthu chochokera ku kampani ya ku France ya H·S. Chili ndi mphamvu yabwino yosinthira kusintha kwa activation-passivation, cholimba kwambiri pa dzimbiri, cholimba bwino pa dzimbiri, cholimba bwino pa ma asidi osapanga oxidizing monga sulfuric acid, acetic acid, formic acid, phosphoric acid, cholimba bwino pamipata mu neutral chloride ion media, komanso cholimba bwino pamipata ndi kupsinjika kwa dzimbiri. Ndi yoyenera pamitundu yosiyanasiyana ya sulfuric acid pansi pa 70°C, ndipo chili ndi kulimba bwino pa acetic acid ya kuchuluka kulikonse ndi kutentha kulikonse pansi pa kukakamizidwa kwabwinobwino, komanso asidi wosakaniza wa formic acid ndi acetic acid.
Chitsulo chosapanga dzimbiri cha AISI 904L ndi chitsulo chosapanga dzimbiri cha austenitic chomwe chili ndi mpweya wochepa kwambiri. Kuphatikiza kwa chromium, nickel, molybdenum ndi mkuwa wambiri kumapangitsa chitsulocho kukhala cholimba komanso cholimba. Kuphatikiza kwa mkuwa kumapangitsa kuti chikhale cholimba komanso cholimba, chimatha kupirira ma acid osiyanasiyana achilengedwe ndi osapangidwa, makamaka chloride crevice corrosion ndi stress corrosion cracking, sikophweka kukhala ndi mawanga ndi ming'alu ya dzimbiri, komanso chimakhala ndi kukana kwamphamvu kwa maenje. AISI 904L imakhala ndi kukana kwabwino kwa dzimbiri mu diluted sulfuric acid. Alloy ndi chitsulo choyenera diluted sulfuric acid ndi strong corrosive medium. Imakhalanso yolimba ku madzi a m'nyanja, imakhala ndi makina abwino komanso yolimba, ndipo imagwiritsidwa ntchito kwambiri m'mafakitale omanga, mankhwala, zamankhwala ndi mafakitale ena.
Chitsulo chosapanga dzimbiri cha AISI 904L chimagwiritsidwa ntchito kwambiri mu ma reactor mu zida zamafuta ndi petrochemical; zida zosungira ndi zoyendera za sulfuric acid, monga zosinthira kutentha; zida zochotsera mpweya wa flue m'malo opangira magetsi, monga nsanja, ma flue, ma shutter, zida zamkati, zopopera, mafani, ndi zina zotero m'makina ochizira asidi wachilengedwe; zida zochizira madzi a m'nyanja, monga zosinthira kutentha kwa madzi a m'nyanja; zida zamafakitale a mapepala, sulfuric acid, zida za nitric acid; zida zamakemikolo, zotengera zopanikizika, zida za chakudya monga kupanga asidi ndi mafakitale opanga mankhwala.
-Makampani a mankhwala ndi petrochemical. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Makampani opanga mapepala ndi zamkati. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Makina opaira mapaipi. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Zosinthira kutentha. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Zigawo za mafakitale oyeretsera mpweya. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Zigawo za zomera zochotsa mchere m'madzi a m'nyanja. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Makampani ogulitsa chakudya, mankhwala ndi nsalu. AISI 904L (WNR1.4539) ASTM A 249, X1NiCrMoCu25-20-5
-Zipangizo zochizira madzi a m'nyanja, zosinthira kutentha kwa madzi a m'nyanja, zida zamafakitale a mapepala, sulfuric acid, zida za nitric acid, kupanga asidi, makampani opanga mankhwala ndi zida zina zamakemikolo, ziwiya zothira mpweya, zida za chakudya
Mafotokozedwe a Kupanga ndi Womic Steel: Mapaipi achitsulo chosapanga dzimbiri a 904L amapezeka m'mitundu yosiyanasiyana ya kukula kwa kupanga mu mzere wa Womic Steel Production, kuphatikiza mapaipi osapanga dzimbiri ndi mapaipi olumikizidwa. M'mimba mwake wakunja wa mapaipi osapanga dzimbiri nthawi zambiri umakhala pakati pa 3 mpaka 720 mm (φ1 mpaka 1200 mm), wokhala ndi makulidwe a khoma a 0.4 mpaka 14 mm; m'mimba mwake wakunja wa mapaipi olumikizidwa nthawi zambiri umakhala pakati pa 6 mpaka 508 mm, wokhala ndi makulidwe a khoma a 0.3 mpaka 15.0 mm.
Kuphatikiza apo, palinso zinthu zosiyanasiyana monga mapaipi ang'onoang'ono ndi mapaipi ang'onoang'ono, mipiringidzo yachitsulo, mbale, ma coil okhala ndi chitsulo chosapanga dzimbiri chomwe mungasankhe mu Womic Steel.
Mankhwala kapangidwe:
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
| ≤0.02 | ≤0.70 | ≤2.00 | ≤0.030 | ≤0.010 | 19.0-21.0 | 24.0-26.0 | 4.0-5.0 | ≤0.1 |
Katundu wamakina:
| Kuchulukana | 8.0 g/cm3 |
| Malo osungunuka | 1300-1390 ℃ |
| Udindo | Kulimba kwamakokedwe Rm N/mm2 | Mphamvu yobereka RP0.2N/mm2 | Kutalikitsa A5% |
| 904L | 490 | 216 | 35 |
Takulandirani kuti mulankhule nafe kuti mudziwe zambiri!
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Nthawi yotumizira: Okutobala-30-2024