1. Difference in cross-sectional shape
The cross-sectional shape of C-shaped steel is similar to the letter "C". This design makes it have a higher advantage in load-bearing capacity and rigidity, and is suitable for building beam-column structures of large buildings.
The cross-sectional shape of channel steel is "U"-shaped, with parallel flanges on both sides and a web extending up and down in the middle. This structure makes it have higher bending and shear resistance, and is suitable for bearing larger bending moments and shear forces.

2. Differences in processing technology and output
C-shaped steel is usually made by cold bending of thin steel plates, with a relatively regular shape, relatively simple processing technology, and high output; while channel steel is generally hot-rolled, and the two legs are tilted outward. The production process requires more complex processes, such as cold bending, welding, hot rolling, etc., so the production output is relatively low.

3. Differences in uses and applicable fields
Due to its light weight and high load-bearing capacity, C-shaped steel is often used in purlins, wall beams, roof trusses, brackets and other fields of steel structure buildings. Channel steel has a larger cross-sectional area, higher bending strength and shear resistance, and is often used in load-bearing components such as beams and columns in building structures.

4. Stress characteristics and economy
C-shaped steel has a smaller force and is suitable for non-load-bearing enclosure structures, while channel steel has a larger force and can be used as the main load-bearing components such as beams and columns. In terms of price, the production cost of channel steel is higher than that of C-shaped steel, so under the same specifications and quality, the price of channel steel is usually higher than that of C-shaped steel.

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