This standard specifies steel sheets and strips (hereinafter referred to as sheets and coils) that are hot-dipped in a plating bath with a standard composition of approximately 55% aluminum, 1.6% silicon, and the balance zinc. In this case, the plates include not only flat plates but also corrugated plates with the shape and dimensions of JIS G 3316.
JIS G 3321:2005 history
2022JIS G 3321:2022 Hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
2019JIS G 3321:2019 Hot-dip 55 % aluminium-zinc alloy-coated steel sheet and strip
2010JIS G 3321:2010 Hot-dip 55% aluminium-zinc alloy-coated steel sheet and strip
2007JIS G 3321:2007 Hot-dip 55% aluminium-zinc alloy-coated steel sheet and strip
2005JIS G 3321:2005 Hot-dip 55% aluminium-zinc alloy-coated steel sheets and coils
1998JIS G 3321:1998 Hot-dip 55 % aluminium-zinc alloy-coated steel sheets and coils