420 mbale yachitsulo chosapanga dzimbirindi ya martensitic zitsulo zosapanga dzimbiri, zomwe zimakhala ndi kukana kovala komanso kukana dzimbiri, kuuma kwakukulu, ndipo mtengo wake ndi wotsika kuposa zitsulo zina zosapanga dzimbiri.420 zosapanga dzimbiri pepala ndi oyenera mitundu yonse ya makina mwatsatanetsatane, mayendedwe, zida zamagetsi, zida, zida, mamita, magalimoto, zipangizo zapakhomo, etc. 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