Ko te uaua o te 440 pereti kowiri tira he 50c, 440 te kowiri tira ko te kowiri, he kowhatu, he kohukohu). corrosion resistance are relative.440 stainless steel plate contains chromium elements, and a small amount of molybdenum, titanium, nickel and other elements, so it hardness and plastic is relatively high, widely used in life.
