JIS G 3193 specifies the dimensional tolerances for hot-rolled steel products. Unlike other standards that define the chemical composition or mechanical properties of a specific steel grade (such as JIS G 3101 for SS400), . Scope of the Standard
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While not as detailed as specialized surface standards, JIS G 3193 provides general guidelines for acceptable surface imperfections for hot-rolled products. Downloading the JIS G 3193 PDF
JIS G 3193:2019 is the current Japanese Industrial Standard that specifies the dimensions, shape, mass, and permissible variations for hot-rolled steel plates, sheets, and strips. Quick Overview Official Title: jis g 3193 pdf
JIS G 3193: Dimensions, Tolerances, and Mass of Steel Plates, Sheets, Strips, and Flats Purpose: Specifies standard sizes, thickness tolerances, and mass calculation methods for hot-rolled/cold-rolled flat steel products.
Implementing the correct standard saves you from costly fabrication errors, failed inspections, and legal liabilities. Whether you are designing a skyscraper in Tokyo or a bridge in Indonesia, the JIS G 3193 PDF belongs in your digital reference library.
: Flat-rolled products typically below 3.0 mm thick, supplied as cut lengths. JIS G 3193 specifies the dimensional tolerances for
Furthermore, the standard introduces the concept of "theoretical mass." It provides specific calculation methods to determine the weight of the steel based on its dimensions and a standard density. This is crucial for logistics, pricing, and structural load calculations.
This standard applies to hot-rolled steel plates and sheets (including cut lengths) and steel strips. Flat bars.
For steel plates delivered in cut lengths, the length tolerance is strictly positive to ensure the user never receives short material. A typical tolerance is , though this scales up for exceptionally long plates (over 6 meters). 4. Flatness and Camber This seems to be a Japanese Industrial Standard
: Standard widths are typically expressed in mm (e.g., 600, 1000, 1219, 1500) and vary based on whether the product is a strip or a plate.
is the backbone of dimensional quality control for hot-rolled steel in Japanese-standard markets. Whether you are checking the flatness of an SS400 plate or calculating the weight of a structural beam, this standard is your reference point.
ASTM A6 is the American standard for general requirements for rolled steel shapes. Both cover similar ground (dimensions, mass, tolerances), but the numbers differ. An H-beam meeting JIS G 3193 may not automatically meet ASTM A6 without conversion. Always specify the governing standard.
The evolution of JIS G 3193 reflects advancements in steelmaking technology and changing market demands. Key milestones include: