J-3
Citation:
J-3. Japanese Standards Association (JSA), Japanese Industrial Standards (JIS), JIS G 3135, “Cold-reduced high strength steel sheet and strip with improved formability for automobile uses”, 2018.
J-4
Citation:
J-4. Japanese Standards Association (JSA), Japanese Industrial Standards (JIS), JIS G 3141, “Cold-reduced carbon steel sheet and strip“. 2021.