420 ipu uamea stainlesse patino i le uamea stainless martensitic, o loo i ai ni ofu faapitoa tetee ma corrosion tetee, maaa maualuga, ma le tau e maualalo ifo nai lo isi uiga stainless steel. 420 uʻamea uʻamea laupepa e talafeagai mo ituaiga uma o masini saʻo, bearings, mea eletise, meafaigaluega, meafaifaʻaili, mita, taʻavale, meafale, ma isi. 420 uamea uʻamea e tele foʻi ona faʻaaogaina i le gaosiga o vaega e tetee i le ea, vai ausa, vai ma oxidative acid corrosion.
Saina 420 uamea uamea tulaga faatonuina pulega:
GB/T 3280-2015 “Pepa Uamea Ta'avale Ma'alili Ma'a'a Ma'alili”
GB/T 4237-2015 “Pau u'amea u'amea u'amea u'amea ma fasi uamea”
GB/T 20878-2007 “Umea u'amea ma fa'a'avevela vevela togi ma vaila'au tu'ufa'atasi"
420 ipu uamea stainless i Saina:
Fa'ailoga fou: 20Cr13, 30Cr13, 40Cr13.
Fa'ailoga tuai: 2Cr13, 3Cr13, 4Cr13.
Uiga ma fa'aoga o Saina 420 uamea u'amea:
20Cr13 u'amea u'amea: maaa maualuga i le tulaga tineia, lelei tetee corrosion. Mo lau uila afi ausa.
30Cr13 u'amea u'amea: sili atu le faigata nai lo le 20Cr13 ina ua uma ona tineia, faʻaaogaina e pei o meafaigaluega tipi, nozzles, nofoa valve, valve, ma isi.
40Cr13 u'amea u'amea: sili atu le faigata nai lo le 30Cr13 ina ua uma ona tineia, faʻaaogaina e fai ma meafaigaluega tipi, nozzles, nofoa valve, valve, ma isi.
Taimi meli: Iul-31-2023