JIS standards are revised every 5–10 years. The current valid version as of this writing is .
The standard has evolved significantly since its establishment in 1954, with the 2025 revision representing the most current industry practices. It is technically aligned with ISO 7452 while incorporating modifications tailored to Japanese manufacturing requirements.
As thickness increases beyond 25 mm, the tolerance bandwidth expands to accommodate the difficulties of heavy hot rolling. 2. Width Tolerances
JIS standards are revised every 5–10 years. The current valid version as of this writing is .
The standard has evolved significantly since its establishment in 1954, with the 2025 revision representing the most current industry practices. It is technically aligned with ISO 7452 while incorporating modifications tailored to Japanese manufacturing requirements. jis g 3193 pdf
As thickness increases beyond 25 mm, the tolerance bandwidth expands to accommodate the difficulties of heavy hot rolling. 2. Width Tolerances JIS standards are revised every 5–10 years