Most infrastructure projects across Asia (and many that follow Asian standards globally) explicitly require compliance with JIS. If you are supplying steel products to a project in Japan, the Philippines, Thailand, Vietnam, or Indonesia, your material certifications must reference JIS G 3193 tolerances. Without the PDF for reference, you cannot legally certify that your steel meets the required dimensional specs.
If you are involved in projects requiring high-quality hot-rolled steel, acquiring the is a necessary investment to ensure your structural components meet international, high-standard requirements.
Prefer non-parenthesized values in the JIS G 3193 Standard PDF . Max 12.7 mm for strips.