420 bakin karfe farantin karfenasa ne na bakin karfe na martensitic, wanda ke da wasu juriya da juriya da lalata, tsayin daka, kuma farashin ya yi ƙasa da sauran halayen bakin karfe.420 bakin karfe takardar ya dace da kowane irin madaidaicin injuna, bearings, na'urorin lantarki, kayan aiki, kayan aiki, mita, motoci, kayan aikin gida, da sauransu. ruwa da oxidative acid lalata.
China 420 bakin karfe takardar zartarwa misali:
GB/T 3280-2015 "Bakin Karfe Cold Rolled Karfe Sheet da Tari"
GB/T 4237-2015 "Bakin Karfe zafi-birgima karfe farantin karfe da tsiri"
GB/T 20878-2007 "Bakin karfe da zafi-resistant karfe maki da sinadaran abun da ke ciki"
420 bakin karfe farantin a China:
Sabbin maki: 20Cr13, 30Cr13, 40Cr13.
Tsofaffin maki: 2Cr13, 3Cr13, 4Cr13.
Halaye da kuma amfani da China 420 bakin karfe takardar:
20Cr13 bakin karfe: high taurin a quenched jihar, mai kyau lalata juriya.Don turbine ruwan wukake.
30Cr13 bakin karfe: wuya fiye da 20Cr13 bayan quenching, amfani da yankan kayan aikin, nozzles, bawul kujeru, bawuloli, da dai sauransu
40Cr13 bakin karfe: wuya fiye da 30Cr13 bayan quenching, amfani da yankan kayan aikin, nozzles, bawul kujeru, bawuloli, da dai sauransu
Lokacin aikawa: Yuli-31-2023