Open your PDF. Ensure it says "JIS G 3193:2019" on the cover page. If it says 2008, stop. You are using an outdated tolerance map.
When you search for "jis g3193 pdf" on Google, the top results often lead to shady file-sharing sites, academic slideshows, or expired links. Here is the proper way to get the authentic standard. jis g3193 pdf
JIS G3193 is a Japanese Industrial Standard titled:
"Dimensions, mass and permissible variations of hot-rolled steel plates, sheets and strips." Open your PDF
It’s the go-to standard for tolerances on hot-rolled flat steel products (thickness, width, length, flatness, and mass). You are using an outdated tolerance map
When you eventually locate a legitimate copy of the standard, pay special attention to these core sections. Most users search for the "jis g3193 pdf" specifically to access the tolerance tables.