420 mbale yachitsulo chosapanga dzimbirindi zitsulo zosapanga dzimbiri za martensitic, zomwe zimakhala ndi kukana kovala komanso kukana dzimbiri, kuuma kwakukulu, ndipo mtengo wake ndi wotsika kuposa mawonekedwe ena osapanga dzimbiri. 420 zosapanga dzimbiri pepala ndi oyenera mitundu yonse ya mwatsatanetsatane makina, mayendedwe, zida zamagetsi, zida, zida, mamita, magalimoto, zipangizo zapakhomo, etc. 420 zitsulo zosapanga dzimbiri amagwiritsidwanso ntchito kwambiri popanga mbali kugonjetsedwa ndi mumlengalenga, nthunzi madzi, madzi ndi oxidative acid dzimbiri.
China 420 zosapanga dzimbiri pepala mkulu muyezo:
GB/T 3280-2015 "Stainless Steel Cold Rolled Steel Sheet and Strip"
GB/T 4237-2015 "Chitsulo chosapanga dzimbiri chotenthetsera mbale ndi mzere"
GB/T 20878-2007 "Chitsulo chosapanga dzimbiri ndi zitsulo zosagwira kutentha komanso kapangidwe kake"
420 mbale zitsulo zosapanga dzimbiri ku China:
Makalasi atsopano: 20Cr13, 30Cr13, 40Cr13.
Makalasi akale: 2Cr13, 3Cr13, 4Cr13.
Makhalidwe ndi ntchito za China 420 zitsulo zosapanga dzimbiri pepala:
20Cr13 chitsulo chosapanga dzimbiri: kuuma kwakukulu pakuzimitsidwa, kukana bwino kwa dzimbiri. Kwa masamba opangira turbine.
30Cr13 chitsulo chosapanga dzimbiri: Cholimba kuposa 20Cr13 pambuyo pozimitsa, chomwe chimagwiritsidwa ntchito ngati zida zodulira, ma nozzles, mipando yamavavu, mavavu, ndi zina zambiri.
40Cr13 chitsulo chosapanga dzimbiri: Cholimba kuposa 30Cr13 mutatha kuzimitsa, chomwe chimagwiritsidwa ntchito ngati zida zodulira, ma nozzles, mipando yamavavu, mavavu, ndi zina zambiri.
Nthawi yotumiza: Jul-31-2023