304 Austenite size (304 Austenite Type) : carbon (C) < 0.25%, chromium (Cr) = 16 ~ 18%, nickel (Ni) = 6 ~ 10%, and silicon (Si) < 1%, manganese (Mn) < 2%
(430-430 Type Ferrite Ferrite Type) : carbon (C) < 0.25%, chromium (Cr) = 16 ~ 18%, and silicon (Si) < 1%, manganese (Mn) < 1%
