Chiyambi
TheChitoliro cha ASTM A312 UNS S30815 253MA Chosapanga dzimbirindi aloyi yachitsulo chosapanga dzimbiri ya austenitic yogwira ntchito kwambiri yomwe imadziwika kuti imakana kwambiri kutentha kwambiri, dzimbiri, komanso mphamvu zabwino kwambiri zamakanika m'malo otentha kwambiri.253MAYapangidwira makamaka ntchito m'mafakitale omwe amafunikira kukhazikika kwa kutentha kwambiri, makamaka m'mafakitale ochizira uvuni ndi kutentha. Kukana kwake kwakukulu ku kukula, carburization, ndi oxidation wamba kumapangitsa kuti ikhale yodalirika kwambiri m'malo ovuta kwambiri.
Chitsulo chosapanga dzimbiri cha mtundu uwu chimagwiritsidwa ntchito kwambiri m'mafakitale otentha kwambiri ndipo ndi choyenera kugwiritsidwa ntchito komwe mphamvu zambiri komanso kukana okosijeni ndizofunikira kwambiri.
Miyezo ndi Mafotokozedwe
TheChitoliro cha ASTM A312 UNS S30815 253MA Chosapanga dzimbiriimapangidwa motsatira miyezo iyi:
- ASTM A312: Mafotokozedwe Okhazikika a Mapaipi Opanda Chitsulo Chosapanga Dzimbiri a Austenitic Opanda Msoko, Olumikizidwa, komanso Ozizira Kwambiri
- UNS S30815: Dongosolo Lowerengera la Unified Numbering System la Zinthu limazindikira izi ngati chitsulo chosapanga dzimbiri chomwe chili ndi aloyi wambiri.
- EN 10088-2: European Standard for Stainless Steel, yomwe imafotokoza zofunikira pa kapangidwe ka chipangizochi, mawonekedwe ake, ndi mayeso ake.
Kapangidwe ka Mankhwala(% potengera kulemera)
Kapangidwe ka mankhwala a253MA (UNS S30815)Yapangidwa kuti ipereke kukana bwino kwambiri ku okosijeni ndi mphamvu yotentha kwambiri. Kapangidwe kake kamakhala motere:
| Chinthu | Kapangidwe (%) |
| Chromium (Cr) | 20.00 - 23.00% |
| Nikeli (Ni) | 24.00 - 26.00% |
| Silikoni (Si) | 1.50 - 2.50% |
| Manganese (Mn) | 1.00 - 2.00% |
| Kaboni (C) | ≤ 0.08% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfure (S) | ≤ 0.030% |
| Nayitrogeni (N) | 0.10 - 0.30% |
| Chitsulo (Fe) | Kulinganiza |
Katundu wa Zinthu: Makhalidwe Ofunika
253MA(UNS S30815) imaphatikiza mphamvu yabwino kwambiri pa kutentha kwambiri ndi kukana okosijeni. Izi zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito m'malo ovuta kwambiri, monga uvuni ndi zosinthira kutentha. Zipangizozi zili ndi chromium ndi nickel yambiri, zomwe zimapangitsa kuti zikhale zolimba kwambiri pa kutentha mpaka 1150°C (2100°F).
Katundu Wathupi
- Kuchulukana: 7.8 g/cm³
- Malo Osungunuka: 1390°C (2540°F)
- Kutentha kwa Matenthedwe: 15.5 W/m·K pa 100°C
- Kutentha Kwapadera: 0.50 J/g·K pa 100°C
- Kukana kwa Magetsi: 0.73 μΩ·m pa 20°C
- Kulimba kwamakokedwe: 570 MPa (osachepera)
- Mphamvu Yopereka: 240 MPa (osachepera)
- Kutalikitsa: 40% (osachepera)
- Kulimba (Rockwell B): HRB 90 (yokwanira)
- Modulus ya Elasticity: 200 GPa
- Chiŵerengero cha Poisson: 0.30
- Kukana bwino kwambiri kutentha kwambiri, kukula, ndi carburization.
- Imasunga mphamvu ndi kukhazikika pa kutentha kopitirira 1000°C (1832°F).
- Kukana kwambiri malo okhala ndi acidic ndi alkaline.
- Yolimba ku ming'alu ya dzimbiri yoyambitsidwa ndi sulfure ndi kloride.
- Imatha kupirira malo ovuta, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito popanga mankhwala komanso mafakitale otentha kwambiri.
Katundu wa Makina
Kukana kwa okosijeni
Kukana Kudzikundikira
Njira Yopangira: Luso la Ukadaulo pa Kulondola
Kupanga kwaMapaipi a Chitsulo Chosapanga Dzimbiri a 253MAikutsatira njira zamakono zopangira kuti iwonetsetse kuti ndi yolimba komanso yabwino:
- Kupanga Mapaipi Opanda Msoko: Yopangidwa kudzera mu njira zotulutsira madzi, kuboola mozungulira, ndi kutalikitsa kuti apange mapaipi osasokonekera okhala ndi makulidwe ofanana a khoma.
- Njira Yogwirira Ntchito Yozizira: Njira zokoka kapena zopopera zinthu mozizira zimagwiritsidwa ntchito kuti zikwaniritse kukula kolondola komanso malo osalala.
- Kutentha ChithandizoMapaipi amatenthedwa kutentha pa kutentha kwinakwake kuti awonjezere mphamvu zawo zamakaniko komanso kugwira ntchito bwino kutentha kwambiri.
- Kusankha ndi KusangalalaMapaipi amatsukidwa kuti achotse mafilimu a scale ndi oxide ndipo amapangidwa kuti asawonongeke ndi dzimbiri.
Kuyesa ndi Kuyang'anira: Chitsimikizo cha Ubwino
Womic Steel ikutsatira ndondomeko yoyesera yokhwima kuti iwonetsetse kuti ndi yapamwamba kwambiriMapaipi a Chitsulo Chosapanga Dzimbiri a 253MA:
- Kusanthula kwa Kapangidwe ka Mankhwala: Yatsimikiziridwa pogwiritsa ntchito njira za spectroscopic kuti itsimikizire kuti alloy ikukwaniritsa zinthu zomwe zatchulidwa.
- Kuyesa kwa Makina: Kuyesa kukoka, kuuma, ndi kukhudza kuti zitsimikizire momwe zinthuzo zimagwirira ntchito kutentha kosiyanasiyana.
- Kuyesa kwa MadziMapaipi amayesedwa kuti aone ngati ali olimba kuti atsimikizire kuti satulutsa madzi.
- Kuyesa Kosawononga (NDT): Zimaphatikizapo kuyesa kwa ultrasound, eddy current, ndi dye penetrant kuti mupeze zolakwika zilizonse zamkati kapena pamwamba.
- Kuyang'ana Kowoneka ndi KofananaChitoliro chilichonse chimawunikidwa ndi maso kuti chione ngati chili pamwamba pake, ndipo kulondola kwa mawonekedwe ake kumayesedwa molingana ndi zofunikira.
Kuti mudziwe zambiri kapena mtengo woperekedwa mwamakonda, funsani Womic Steel lero!
Imelo: sales@womicsteel.com
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Nthawi yotumizira: Januwale-08-2025