If you need the official, full-text technical standard, you should acquire it from authorized sources to ensure accuracy.
The standard provides a uniform framework for measuring and certifying the physical properties of hot-rolled steel. Unlike other JIS standards (such as ), which focus on chemical composition and mechanical strength, JIS G 3193 specifically targets geometrical accuracy and tolerances .
Prevents overpayment for excess weight due to thickness variations outside of standard tolerances.
If you work in the steel industry—whether in procurement, quality control, manufacturing, or construction—you have likely encountered the reference . Searching for a “jis g 3193 pdf” is one of the most common queries among engineers and traders dealing with Japanese industrial materials. jis g 3193 pdf
: JIS G 3193:2019 (which modified and adopted ISO 7452:2013). A 2025 version has also been noted as the current standard in some databases.
Use the given cross-sectional area (cm²) multiplied by steel density (7.85 g/cm³) and length. The PDF provides precalculated kg/m values for common sizes—check them against your own calculation.
JIS G 3193 is much more than just a set of technical specifications; it is the cornerstone of quality assurance for hot-rolled steel in Japan. It provides the essential definitions and tolerances for dimensions, mass, and shape that guarantee product consistency and reliability. For the most current information, the is the definitive source. If you need the official, full-text technical standard,
| Resource | Pros | Cons | | :--- | :--- | :--- | | (e.g., Nippon Steel, JFE Steel) | Free, easy to read, widely used | Only covers their products, not all tolerances | | Engineering handbooks (e.g., Machinery's Handbook) | Summarized values | Not legally binding for compliance | | CAD block libraries | Digitally pre-modeled sections | Often no tolerance data, just nominal sizes |
Beyond simple dimensions, JIS G 3193 also specifies requirements for the shape of the steel, including its flatness and warpage. These are critical for applications where the steel must lie flat or be precisely aligned.
The standard provides detailed tables for measuring and verifying the quality of steel products: Prevents overpayment for excess weight due to thickness
Beyond simple dimensions, the standard regulates the physical shape of the steel:
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: Flat pieces sheared directly from coils, which carry unique processing tolerances distinct from standalone plates. Structural Exclusions
It is critical to note that . Flat bars follow distinct geometric standards under separate JIS entries like JIS G 3191. Alignment with Global Benchmarks