420 icyuma kidafite ingeseni ibyuma bya martensitike idafite ibyuma, bifite bimwe birwanya kwambara no kurwanya ruswa, ubukana bwinshi, kandi igiciro kiri munsi yizindi miterere yibyuma.Urupapuro 420 rutagira umwanda rukwiranye nubwoko bwose bwimashini zisobanutse, ibyuma, ibikoresho byamashanyarazi, ibikoresho, ibikoresho, metero, ibinyabiziga, ibikoresho byo murugo, nibindi 420 ibyuma bitagira umwanda nabyo bikoreshwa cyane mugukora ibice birwanya ikirere, imyuka y'amazi, amazi na aside irike.
Ubushinwa 420 urupapuro rwerekana ibyuma:
GB / T 3280-2015 “Ibyuma bitagira umuyonga Ubukonje buzengurutswe n'urupapuro”
GB / T 4237-2015 “Icyuma gishyushye icyuma gishyushye hamwe nicyuma”
GB / T 20878-2007 “Ibyuma bitagira umuyonga hamwe n’icyuma cyihanganira ubushyuhe hamwe n’ibigize imiti”
420 icyuma kidafite ingese mu Bushinwa:
Amanota mashya: 20Cr13, 30Cr13, 40Cr13.
Amanota ashaje: 2Cr13, 3Cr13, 4Cr13.
Ibiranga n'imikoreshereze y'Ubushinwa 420 urupapuro rutagira ingese:
20Cr13 ibyuma bidafite ingese: ubukana bwinshi muburyo bwazimye, birwanya ruswa.Kumashanyarazi ya turbine.
30Cr13 ibyuma bidafite ingese: Birakomeye kurenza 20Cr13 nyuma yo kuzimya, ikoreshwa nkibikoresho byo gutema, nozzles, intebe za valve, valve, nibindi.
40Cr13 ibyuma bidafite ingese: Birakomeye kurenza 30Cr13 nyuma yo kuzimya, ikoreshwa nkibikoresho byo gutema, nozzles, intebe za valve, valve, nibindi.
Igihe cyo kohereza: Nyakanga-31-2023