440 stainless steel plate-a hardness chu 50C a ni a, 440 stainless steel plate chu steel rust awlsam lo a ni a, a nihna takah chuan, stainless steel-a tel, rust, leh resistance (corrosion resistance) pahnih a ni. Stainless steel antirust leh corrosion resistance hi a chung lamah chromium-rich oxide film (passivation film) a lo awm vang a ni. He nonrust leh corrosion resistance hi relative a ni.440 Stainless steel plate ah hian chromium elements a awm a, molybdenum, titanium, nickel leh element dang tlemte a awm bawk a, chuvangin a hardness leh plastic hi a sang hle a, nunah hman a ni nasa hle.
