Octagonal Bar Weight Calculator (Online & Free)

What is octagonal bar? Octagonal bar, also known as octagonal steel, is a specialized type of section steel characterized by its regular eight-sided cross-sectional profile. This unique geometry offers a blend of structural and aesthetic advantages, making it a versatile choice in various industrial and architectural applications. Key features of octagonal bars include: Octagonal bars […]

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What is octagonal bar?

Octagonal bar, also known as octagonal steel, is a specialized type of section steel characterized by its regular eight-sided cross-sectional profile. This unique geometry offers a blend of structural and aesthetic advantages, making it a versatile choice in various industrial and architectural applications.

Key features of octagonal bars include:

  1. Shape: The cross-section forms a perfect octagon, with eight equal sides and eight 135-degree angles.
  2. Material: Typically manufactured from high-quality steel alloys, though other metals like aluminum or brass can also be used for specific applications.
  3. Manufacturing Process: Usually produced through hot rolling or cold drawing techniques, ensuring precise dimensional accuracy and consistent mechanical properties.
  4. Size Range: Available in various diameters and lengths to suit different project requirements.
  5. Surface Finish: Can be supplied with different surface treatments such as polished, brushed, or coated, depending on the intended use.

Octagonal bars offer several advantages over traditional round or square profiles:

  • Enhanced Structural Integrity: The octagonal shape provides improved resistance to torsional forces compared to square bars.
  • Aesthetic Appeal: The distinct geometric profile adds visual interest, making it popular in architectural and design applications.
  • Ease of Assembly: The flat surfaces facilitate easier gripping and fastening in construction or manufacturing processes.
  • Weight Optimization: Offers a balance between strength and weight, potentially reducing material costs in large-scale projects.

Octagonal Bar Weight Calculator

Hot-rolled octagonal steel bars, as specified in GB/T702-2008, are manufactured with a distance between opposite edges ranging from 16mm to 40mm. This standard outlines critical specifications for dimension, shape, weight, and allowable deviations, ensuring consistency and quality in industrial applications.

In the metal fabrication market, hot-rolled octagonal steel is typically supplied based on either its actual weight or its theoretical weight. The choice between these two methods can impact pricing and material planning in manufacturing processes.

To accurately determine the weight of octagonal steel for your specific requirements, you can utilize the octagonal steel weight calculator provided below. This tool incorporates the latest industry standards and material properties to deliver precise calculations, essential for project planning, cost estimation, and inventory management.

Understanding the weight of octagonal steel bars is crucial for various manufacturing processes, including:

  • Structural engineering calculations
  • Material handling and transportation planning
  • Cost estimation for projects involving octagonal steel components
  • Inventory control and stock management
  • Ensuring compliance with load-bearing specifications in design

By using this calculator, you can optimize material usage, improve cost efficiency, and ensure adherence to industry standards in your metal fabrication projects.

Related Tool: Steel Weight Calculator

Octagonal Bar Weight Chart

Grade
(mm)
Weight
(kg/m)
161.66
182.11
202.6
223.15
254.06
285.1
305.85
326.66
347.51
368.42
389.39
4010.4
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Shane
Author

Shane

Founder of MachineMFG

As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.

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