Obukakanyavu bwa 440 stainless steel plate is 50C, 440 stainless steel plate kye kyuma ekitali kyangu kusamba, mu butuufu, ekitundu ky’ekyuma ekitali kizimbulukuse, byombi obusagwa, n’okuziyiza (okuziyiza okukulukuta). Okuziyiza okukulukuta n’okukulukuta kw’ekyuma ekitali kizimbulukuse kiva ku kutondebwa kwa chromium-firimu ya oxide (passivation film) ku ngulu kwayo. Okuziyiza kuno okutali kwa kuzimba n’okukulukuta kwa luganda.440 Ekyuma ekitali kizimbulukuse kirimu ebirungo bya chromium, era omuwendo omutono ogwa molybdenum, titanium, nickel n’ebintu ebirala, kale obukaluba ne pulasitiika biba bingi nnyo, bikozesebwa nnyo mu bulamu.
