Yenziwe ngentsimbi eshayinayoyintsimbi ekwaziyo ukumelana nomhlwa kunye nomhlwa.Iqulethe ubuncinane i-11% yechromium.Ukumelana nomhlwa kwentsimbi engatyiwayo kuvela kwichromium, eyenza ifilim ekhuselayo kwaye izilungise xa kukho ioksijini.
Ukucoceka kwayo, amandla kunye nokuxhatshazwa kwe-corrosion kuye kwakhokelela ekusetyenzisweni kwensimbi engenasici kwizityalo kunye nokutya.
Iindidi ezahlukeneyo zensimbi ezingenasici ziphawulwe nge-AISI amanani amadijithi amathathu, kwaye umgangatho we-ISO 15510 udwelisa ukubunjwa kweekhemikhali zensimbi ezingenasici ezichazwe kwimigangatho ekhoyo ye-ISO, ASTM, EN, JIS kunye ne-GB kwitheyibhile yokutshintshana luncedo.