is a Japanese Industrial Standard titled: "Dimensions, shape, mass and permissible variations of hot-rolled steel plates and sheets."
The JIS G 3193 PDF often references:
JIS G 3193:2015 - Hot Rolled Carbon Steel Plates, Sheets and Coils jis g 3193 pdf
is a critical Japanese Industrial Standard that defines the dimensions, shape, mass, and permissible variations (tolerances) for hot-rolled steel plates, sheets, and strips . Established in 1954 and most recently updated in 2025 , this standard ensures consistency and quality for flat-rolled steel products used across construction, automotive, and industrial manufacturing. Scope and Application and industrial manufacturing. Scope and Application