Mapaipi opangira zitsulo zosapanga dzimbiri ndizofunikira m'mafakitale angapo chifukwa cha mphamvu zawo zamakina, kukana dzimbiri, komanso kulekerera kutentha kwambiri. Kutengera malo ogwirira ntchito komanso luso laukadaulo, magiredi omwe amagwiritsidwa ntchito nthawi zambiri amaphatikiza 304, 316, 321, 347, 904L, komanso zitsulo zosapanga dzimbiri ngati duplex.2205ndi2507. Nkhaniyi ikuyang'ana mwadongosolo magwiridwe antchito, mphamvu zokakamiza, ndi magawo ogwiritsira ntchito mapaipi achitsulo chosapanga dzimbiri kuti atsogolere kusankha zinthu moyenera.
1. Makalasi Odziwika Osapanga zitsulo ndi Makhalidwe Awo
•304L zosapanga dzimbiri zitsulo mafakitale chitoliro: Monga chitsulo chochepa cha carbon 304, kawirikawiri, kukana kwake kwa dzimbiri kumakhala kofanana ndi 304, koma pambuyo pa kuwotcherera kapena kupsinjika maganizo, kukana kwake kwa intergranular corrosion ndikwabwino kwambiri, ndipo kungathe kusunga kukana kwa dzimbiri popanda kutentha.
• 304 zosapanga dzimbiri zitsulo mafakitale chitoliro: Iwo ali kukana dzimbiri bwino, kukana kutentha, otsika kutentha mphamvu ndi katundu makina, katundu wabwino otentha processing monga chidindo ndi kupinda, ndipo palibe kutentha mankhwala kuumitsa chodabwitsa. Ntchito: tableware, makabati, boilers, magalimoto, zipangizo zachipatala, zomangira, mafakitale chakudya (ntchito kutentha -196°C-700°C)
Mbali zazikulu za chitoliro cha zitsulo zosapanga dzimbiri 310 ndi: kukana kutentha kwambiri, komwe kumagwiritsidwa ntchito mu boilers, mapaipi otulutsa magalimoto. Katundu wina ndi wamba.
• 303 chitsulo chosapanga dzimbiri chitoliro cha mafakitale: Powonjezera pang'ono sulfure ndi phosphorous, ndizosavuta kudula kuposa 304, ndi katundu wina wofanana ndi 304.
• Chitoliro cha mafakitale cha 302 chosapanga dzimbiri: zitsulo zosapanga dzimbiri 302 zimagwiritsidwa ntchito kwambiri m'magalimoto, ndege, zida za hardware zamlengalenga, ndi mafakitale a mankhwala. Mwachindunji motere: ntchito zamanja, mayendedwe, maluwa otsetsereka, zida zamankhwala, zida zamagetsi, ndi zina. Zomwe zimapangidwira: 302 mpira wosapanga dzimbiri ndi wachitsulo cha austenitic, chomwe chili pafupi ndi 304, koma 302 ili ndi kuuma kwakukulu, HRC≤28, ndipo imakhala ndi dzimbiri komanso kukana dzimbiri.
• Chitoliro cha mafakitale cha 301 chosapanga dzimbiri: ductility yabwino, yogwiritsidwa ntchito pazinthu zopangidwa. Ikhozanso kuuma mofulumira ndi makina opangira makina. Weldability wabwino. Kuvala kukana komanso mphamvu ya kutopa ndizabwino kuposa 304 chitsulo chosapanga dzimbiri.
• 202 zitsulo zosapanga dzimbiri chitoliro: ndi chromium-nickel-manganese austenitic zitsulo zosapanga dzimbiri, ndi ntchito bwino kuposa 201 zitsulo zosapanga dzimbiri.
•201 zitsulo zosapanga dzimbiri chitoliro: ndi chromium-nickel-manganese austenitic zitsulo zosapanga dzimbiri, ndi maginito otsika
•410 zosapanga dzimbiri zitsulo mafakitale chitoliro: ndi ya martensite (chitsulo champhamvu kwambiri cha chromium), chokhala ndi kukana kwabwino kovala komanso kusachita bwino kwa dzimbiri.
• Chitoliro cha zitsulo zosapanga dzimbiri 420: "Tool grade" martensitic zitsulo, zofanana ndi Brinell high chromium steel, ultra-early stainless steel. Amagwiritsidwanso ntchito popanga mipeni yopangira opaleshoni ndipo amatha kupanga kuwala kwambiri.
• 430 zitsulo zosapanga dzimbiri zachitsulo: chitsulo chosapanga dzimbiri cha ferritic, chomwe chimagwiritsidwa ntchito kukongoletsa, monga zipangizo zamagalimoto. Maonekedwe abwino, koma kukana kutentha komanso kukana dzimbiri
2. Kukaniza Kukaniza kwa Mapaipi Osapanga zitsulo
Kuthamanga kwa chitoliro chachitsulo chosapanga dzimbiri kumadalira kukula kwake (m'mimba mwake), makulidwe a khoma (mwachitsanzo, SCH40, SCH80), ndi kutentha kwa ntchito. Mfundo zazikuluzikulu:
• Makoma okhuthala ndi ma diameter ang'onoang'ono amapangitsa kuti musamavutike kwambiri.
• Kutentha kwapamwamba kumachepetsa mphamvu zakuthupi ndi kupanikizika.
• Zitsulo za Duplex ngati 2205 zimapereka mphamvu pafupifupi kuwirikiza kawiri 316L.
Mwachitsanzo, chitoliro chachitsulo chosapanga dzimbiri cha 4-inch SCH40 304 chimatha kugwira pafupifupi. 1102 psi pansi pazikhalidwe zabwinobwino. Chitoliro cha inchi 1 chikhoza kupitirira 2000 psi. Mainjiniya akuyenera kuyang'ana ASME B31.3 kapena milingo yofananira yofananira ndi kukakamiza kolondola.
3. Kuwonongeka Kwambiri M'malo Ovuta
Malo Olemera a Chloride
304 imakonda kuphulika ndi SCC m'malo okhala ndi mchere wambiri. 316L kapena kupitilira apo ndikulimbikitsidwa. Pazovuta kwambiri ngati madzi am'nyanja kapena kutsitsi, 2205, 2507, kapena 904L ndikwabwino.
Acidic kapena Oxidizing Media
316L imachita bwino mu ma asidi ofooka. Pama asidi aukali ngati sulfuric kapena phosphoric acid, sankhani 904L kapena zitsulo zokhala ndi alloy duplex.
High-Temperature Oxidation
Kutentha kopitilira 500 ° C, 304 ndi 316 kumatha kutaya mphamvu. Gwiritsani ntchito magiredi okhazikika ngati 321 kapena 347 pantchito yopitilira mpaka ~900°C.
4. Ntchito Zazikulu Zamakampani
Makampani a Mafuta ndi Gasi
Amagwiritsidwa ntchito popanga mapaipi, osinthanitsa kutentha, ndi mizere yoyendera. Kwa gasi wowawasa ndi kloridi, 2205/2507/904L ndi yabwino. Zitsulo za Duplex zimagwiritsidwa ntchito kwambiri posinthanitsa ndi kutentha chifukwa champhamvu kwambiri komanso kukana dzimbiri.
Chakudya & Chakumwa
Kutha kwapamwamba kumalepheretsa kukula kwa bakiteriya. 304/316L ndi yabwino kwa mkaka, kufutukula, ndi sauces. 316L imachita bwino ndi zakudya za acid kapena zamchere. Mipope nthawi zambiri electropolished kwa ukhondo.
Makampani a Pharmaceutical
Imafunika kuyera kwambiri komanso kukana dzimbiri. 316L ndi mitundu ngati 316LVM imagwiritsidwa ntchito pamadzi oyeretsedwa ndi machitidwe a CIP/SIP. Pamwamba pake nthawi zambiri amapukutidwa ndi galasi.
5. Kalozera Wosankha Makalasi mwa Kugwiritsa Ntchito
| Malo Ogwiritsira Ntchito | Maphunziro ovomerezeka |
| General Madzi / Air | 304/304L |
| Malo Olemera a Chloride | 316 / 316L kapena 2205 |
| High-Temperature Atmosphere | 321/347 |
| Ma Acid Amphamvu / Phosphoric | 904L, 2507 |
| Food-Grade Hygiene Systems | 316L (Yamagetsi) |
| Pharmaceutical Systems | 316L / 316LVM |
Nthawi yotumiza: May-06-2025