420 ndiro yesimbi isina ngurandeyesimbi isina tsvina yemartensitic, ine simba rekudzivirira kupera uye ngura, kuomarara kwakanyanya, uye mutengo wayo wakaderera pane mamwe maitiro esimbi isina tsvina. 420 stainless steel sheet yakakodzera mhando dzese dzemichina yakanyatsogadzirwa, mabheringi, midziyo yemagetsi, midziyo, zvishandiso, mita, mota, midziyo yemumba, nezvimwewo. 420 stainless steel inonyanya kushandiswa mukugadzira zvikamu zvinodzivirira ngura yemhepo, utsi hwemvura, mvura uye oxidative acid.
China 420 simbi isina ngura jira repamusoro repamusoro:
GB/T 3280-2015 “Simbi Isina Stainless Yakaputirwa Nesimbi Inotonhora Yakaputirwa”
GB/T 4237-2015 “Simbi isina ngura inomoneredzwa nesimbi inopisa uye strip”
GB/T 20878-2007 “Simbi isina ngura uye simbi inodzivirira kupisa uye kuumbwa kwemakemikari”
Ndiro yesimbi isina ngura 420 muChina:
Magiredhi matsva: 20Cr13, 30Cr13, 40Cr13.
Magiredhi ekare: 2Cr13, 3Cr13, 4Cr13.
Hunhu uye mashandisirwo eChina 420 simbi isina ngura:
20Cr13 simbi isingatsvi: kuomarara kwakanyanya kana kwadzimwa, kuramba ngura zvakanaka. Kune mashizha eturbine ane mhute.
Simbi isingatsvi 30Cr13: Yakaoma kupfuura 20Cr13 mushure mekudzima, inoshandiswa sezvishandiso zvekucheka, ma nozzles, zvigaro zvevharuvhu, mavharuvhu, nezvimwewo.
40Cr13 simbi isingatsvi: Yakaoma kupfuura 30Cr13 mushure mekudzima, inoshandiswa sezvishandiso zvekucheka, ma nozzles, zvigaro zvevharuvhu, mavharuvhu, nezvimwewo.
Nguva yekutumira: Chikunguru-31-2023