This Japanese Industrial Standard specifies the steel sheets and coils, equally zinc-coated on both surfaces by dipping in a bath of molten zinc containing not less than 97 % of zinc in percentage by mass (provided that the aluminium content is normally 0.30 % or less). In this case, the term "sheet" includes not only sheets in flat form but also corrugated sheets of the shapes and dimensions specified in JIS G 3316.

JIS G 3302:2005