JIS 3101 SS400 steel plate. JIS G3101 SS400 is one of the most common carbon structural steel grade, other grades of JIS G3101 are ss330, ss490, ss540. Related product type includes steel plate, steel sheet, steel sections, steel pipes, etc. JIS G3101 Application Range:ss400 steel plate and other steel grades product are applied to general structural constructions-bridges and ships, final product always supplied hot rolled.ss400 hot rolled steel coil, ss400 hot rolled steel coil 11,116 ss400 hot rolled steel coil products are offered for sale by suppliers on , of which steel sheets accounts for 86%, stainless steel sheets accounts for 1%. A wide variety of ss400 hot rolled steel coil options are available to you, such as aisi, astm, and gb.