In the world of structural steel, precision matters. Whether constructing bridges, manufacturing vehicles, or fabricating pressure vessels, the accuracy of steel dimensions directly impacts structural integrity and safety. The is the definitive Japanese Industrial Standard for determining the dimensions, shape, and mass tolerances of hot-rolled steel plates, sheets, and strips.
The standard, established by the Japanese Industrial Standards (JIS) committee, is a critical regulatory framework defining the dimensions, mass, shapes, and permissible variations (tolerances) for hot-rolled steel plates, sheets, and strips. Widely utilized across structural engineering, heavy manufacturing, and shipbuilding, this standard provides engineers, distributors, and quality inspectors with precise guidelines to ensure structural integrity and mechanical consistency.
is a Japanese Industrial Standard titled: "Dimensions, mass and permissible variations of hot-rolled steel plates, sheets and strips."
: A common provider for technical standards used in industrial procurement. specific tolerance values jis g3193 pdf
A significant aspect of JIS G 3193 is its methodology for calculating the theoretical mass of steel products. In the steel industry, payment is often made based on weight rather than volume. The standard provides a specific density coefficient (usually 7.85 g/cm³ for carbon steel) and rounding rules for calculating the theoretical weight of a plate based on its dimensions. This standardization eliminates disputes between buyers and sellers regarding the quantity delivered. By adhering to the calculation methods prescribed in the standard, stakeholders can align their procurement audits and inventory management systems.
JIS G3193 provides detailed tables for permissible variations in dimension and shape. These are essential for engineers to ensure parts fit together correctly. Jis G3193-2005 | PDF - Scribd
In the realm of industrial manufacturing and civil engineering, the integrity of a structure is often predicated on the reliability of its raw materials. Steel, being the skeleton of modern infrastructure, requires rigorous standardization to ensure safety, compatibility, and performance. Among the myriad of standards governing ferrous materials, the Japanese Industrial Standard (JIS) G 3193 holds a pivotal position. Titled "Dimensions, mass and permissible deviations of hot rolled steel plates, sheets and strip," this standard is a cornerstone document for engineers, procurement specialists, and fabricators worldwide. While often sought after in digital formats (PDF) for ease of access, the value of JIS G 3193 lies not in the file type, but in its comprehensive technical specifications that facilitate global trade and structural safety. In the world of structural steel, precision matters
Hot-rolled steel plates, sheets and strips - Dimensions, shape, mass and permissible variations.
Crucially, the standard has different tolerances for specific applications. For instance, steel plates intended for have tighter tolerances or different plus/minus allowances. For such plates, JIS G 3193 specifies only a plus-side allowance (e.g., +0.70 mm for 6mm-thick plate), with a fixed minus-side allowance of just 0.3 mm . Similarly, carbon steel plates for boilers and pressure vessels (SB, SPV, SGV materials) have their own specific tolerance ranges, often with a minus-side allowance of only 0.25 mm .
| Designation | Depth (mm) | Flange Width (mm) | Web Thickness (mm) | Theoretical Mass (kg/m) | | :--- | :--- | :--- | :--- | :--- | | | 100 | 100 | 6 | 17.2 | | H 200x200 | 200 | 204 | 12 | 56.2 | | H 250x250 | 250 | 255 | 14 | 82.2 | | H 300x300 | 300 | 305 | 15 | 106.0 | | H 350x350 | 350 | 357 | 19 | 156.0 | specific tolerance values A significant aspect of JIS
| Standard | Title | Key Difference | |---|---|---| | | Dimensions, shape, mass and permissible variations of hot rolled steel plates, sheets and strips | The most current Japanese standard; closely aligned with ISO 7452:2013 but with modifications for Japanese practice. | | ISO 7452:2013 | Hot‑rolled steel plates — Tolerances on dimensions and shape | The parent international standard. JIS G 3193 adopts it with modifications. | | ASTM A6 / A6M | Standard Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling | Thickness tolerance tables differ, and ASTM includes many product forms beyond plates and strips. ASTM also specifies inch‑based dimensions. | | EN 10029 | Hot‑rolled steel plates — Tolerances on dimensions, shape and mass | European equivalent; generally narrower tolerances for some thickness ranges. | | GB/T 709 | Dimension, shape, weight and tolerances for hot‑rolled steel plates and sheets | The Chinese national standard; similar but not identical tolerance tables. |
standard, titled "Dimensions, mass and permissible variations of hot rolled steel plates, sheets and strips," is a Japanese industrial standard that specifies the physical tolerances and measurements for hot-rolled steel products. Key Aspects of JIS G3193
Tolerances for width and length are designed to accommodate the manufacturing process.
Because JIS G3193 only covers dimensions and tolerances, it is always paired with material quality standards. Common pairings include:
The frequent search query "JIS G 3193 PDF" highlights a modern industrial reality: the transition from paper-based archives to digital libraries. The necessity for a PDF version of this standard stems from the speed of modern engineering workflows. In a globalized supply chain, a structural engineer in Vietnam might be ordering steel from a mill in Japan to be used in a project in Brazil. Access to a digital, portable version of JIS G 3193 allows for instant verification of tolerances at the point of inspection, whether at the mill or the construction site.