Simbi isina nguraialloy yesimbi inoshingirira kuita ngura nekuora.Iine kanenge 11% chromium.Stainless steel's corrosion resistance inobva kuchromium, iyo inoumba firimu rinodzivirira uye rinozvigadzirisa pacharo pamberi peokisijeni.
Kucheneswa kwayo, simba uye kushorwa kwemarara zvakakonzera kushandiswa kwesimbi isina tsvina mumishonga yemishonga uye yekugadzira chikafu.
Mhando dzakasiyana dzesimbi isina tsvina dzakaiswa neAISI manhamba matatu, uye ISO 15510 yakajairwa inonyora kemikari yesimbi isina tsvina inotsanangurwa mune iripo ISO, ASTM, EN, JIS uye GB zviyero mutafura inobatsira yekuchinjana.