Outlines the maximum permissible waviness of a plate when laid on a flat surface. Thicker, narrower plates have stricter flatness limits than thin, wide sheets.
For sheets and plates cut to length, JIS G 3193 establishes positive tolerances.
When working with JIS G 3193 PDFs, several important considerations apply:
: Descriptions of methods to verify compliance with the standard, including testing procedures and evaluation criteria. jis g 3193 pdf
High-yield steel for welded structures (e.g., SM490).
The width of the plate or sheet (wider sheets have wider tolerances due to roller deflection). Example breakdown (Tolerances vary by precise width bands):
Vary based on the nominal width and thickness. For example, plates under 1,600 mm wide with a thickness under 1.25 mm typically have a tolerance of . Flatness & Camber Outlines the maximum permissible waviness of a plate
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The standard specifically covers hot-rolled flat steel products, including: : Individual flat pieces of steel. Steel Strips : Long steel products rolled into coils.
Disclaimer: This blog post is for informational purposes only. Always refer to the official Japanese Standards Association documents for legal and engineering certification purposes. When working with JIS G 3193 PDFs, several
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Provides a common technical basis for buyers and suppliers. Updates and International Harmonization
The is the definitive industrial specification managed by the Japanese Standards Association (JSA) outlining the dimensions, mass, shapes, and permissible variations for hot rolled steel plates, sheets, and strips. Engineers, steel manufacturers, and quality control professionals frequently look for a downloadable JIS G 3193 PDF to ensure their raw steel materials adhere to precise geometric limits. Maintaining structural integrity and assembly precision across complex heavy industries relies on implementing these strict limits. 1. Scope and Core Application