420 SSWaya wopopera wotentha (Stainless Steel) ndi chinthu chapamwamba kwambiri chopangidwira ntchito yopopera utoto wa arc. Wodziwika bwino chifukwa cha kukana dzimbiri, kuuma kwake, komanso kukana kuvala bwino, 420 SS ndi chitsulo chosapanga dzimbiri cha martensitic chomwe chimapereka chitetezo champhamvu pamwamba. Waya uwu umagwiritsidwa ntchito kwambiri m'mafakitale monga petrochemical, kupanga magetsi, magalimoto, ndi za m'madzi kuti ukhale wolimba komanso wokhalitsa nthawi yayitali ya zinthu zofunika. Waya wopopera utoto wa 420 SS ndi wabwino kwambiri pa ntchito zomwe zimafuna utoto wolimba, wosawonongeka komanso wokana dzimbiri pang'ono.
Kukonzekera bwino malo ndikofunikira kwambiri kuti mupeze zotsatira zabwino pogwiritsa ntchito waya wopopera wa 420 SS. Malo oti apakidwe ayenera kutsukidwa mosamala kuti achotse zinthu zodetsa monga mafuta, mafuta, dothi, ndi ma oxide. Kupaka grit ndi aluminium oxide kapena silicon carbide kumalimbikitsidwa kuti pakhale kukhwinyata kwa pamwamba kwa ma microns 50-75. Malo oyera komanso okhwinyata amawonjezera kumatirira kwa utoto wopopera kutentha, zomwe zimapangitsa kuti ntchito ikhale yabwino komanso kuti ikhale yokhalitsa.
| Chinthu | Kapangidwe (%) |
|---|---|
| Kaboni (C) | 0.15 – 0.40 |
| Chromium (Cr) | 12.0 – 14.0 |
| Manganese (Mn) | 1.0 yokwanira |
| Silikoni (Si) | 1.0 yokwanira |
| Phosphorus (P) | 0.04 payokha |
| Sulfure (S) | 0.03 payokha |
| Chitsulo (Fe) | Kulinganiza |
| Katundu | Mtengo Wamba |
|---|---|
| Kuchulukana | 7.75 g/cm³ |
| Malo Osungunuka | 1450°C |
| Kuuma | 50-58 HRC |
| Mphamvu ya Chigwirizano | 55 MPa (8000 psi) |
| Kukana kwa okosijeni | Zabwino |
| Kutentha kwa Matenthedwe | 24 W/m·K |
| Kuphimba makulidwe osiyanasiyana | 0.1 – 2.0 mm |
| Kuyenda pang'onopang'ono | < 3% |
| Kuvala kukana | Pamwamba |
Waya wopopera wa 420 SS ndi njira yabwino kwambiri yowonjezera mawonekedwe a pamwamba pa zinthu zomwe zimawonongeka komanso dzimbiri pang'ono. Kulimba kwake kwakukulu komanso kukana kuvala bwino kumapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pofunikira chophimba cholimba komanso chokhalitsa. Pogwiritsa ntchito waya wopopera wa 420 SS, mafakitale amatha kusintha kwambiri nthawi yogwirira ntchito komanso kudalirika kwa zida ndi zida zawo.
150 0000 2421