scope:

This Standard specifies the general technical delivery requirements for steel and steel products as defined in JIS G 0203 with the exception of steel forgings/castings and powder metallurgical products.

Where the delivery requirements agreed at the time of ordering or those specified in the product standard differ from the requirements specified in this Standard, then it is the requirements agreed for ordering or specified in the product standard that apply.

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 404: 2013 Steel and steel products-General technical delivery requirements (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21-1.