What is the use of C shape steel? - LinkedIn

09 Jun.,2025

 

What is the use of C shape steel? - LinkedIn

C-shaped steel, also referred to as channel steel or C-channel, is a structural steel that makes use of a cross-section designed like the letter "C". It is a popular choice in construction and engineering for a variety of purposes due to its strength-to-weight ratio and versatility. Here are some common uses of C-shaped steel:

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  1. Support Structures: C-shaped steel is commonly utilized to construct support frames for buildings, bridges, and other structures. This steel provides both strength and stability while reducing the amount of material needed.
  2. Framing: In construction, C-shaped steel is frequently used as framing members for walls, roofs, and floors. It can be attached horizontally or vertically to provide structural support and stability.
  3. Purlins and Girts: C-shaped steel sections are commonly used as purlins and girts in metal building construction. They support the roof and wall panels, transferring loads to the primary structural frames.
  4. Truck Trailers and Railcars: C-shaped steel is utilized in the construction of truck trailers, railcars, and other transportation equipment due to its strength and durability.
  5. Industrial Shelving and Racks: C-channel steel is often used to construct industrial shelving units and racks due to its ability to support heavy loads.
  6. Support for Equipment: It's also used to support equipment and machinery in various industrial settings, providing a sturdy base for mounting and securing equipment.
  7. Utility Supports: C-shaped steel is used for supporting utility pipes, conduits, and cables in buildings and infrastructure projects.
  8. Architectural Applications: In addition to its structural uses, C-shaped steel can also be incorporated into architectural designs for aesthetic purposes, such as decorative trim or accents.

Structural channel - Wikipedia

Type of beam

The structural channel, C-channel or parallel flange channel (PFC), is a type of (usually structural steel) beam, used primarily in building construction and civil engineering. Its cross section consists of a wide "web", usually but not always oriented vertically, and two "flanges" at the top and bottom of the web, only sticking out on one side of the web. It is distinguished from I-beam or H-beam or W-beam type steel cross sections in that those have flanges on both sides of the web.[1]

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Uses

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The structural channel is not used as much in construction as symmetrical beams, in part because its bending axis is not centered on the width of the flanges. If a load is applied equally across its top, the beam will tend to twist away from the web. This may not be a weak point or problem for a particular design, but is a factor to be considered.[2]

Channels or C-beams are often used where the flat, back side of the web can be mounted to another flat surface for maximum contact area. They are also sometimes welded together back-to-back to form a non-standard I-beam.

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See also

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  • Hollow structural section

References

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Further reading

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  • M. F. Ashby, , Materials Selection in Mechanical Design, Elsevier.