Speaking of C-shaped steel, we have to think of channel steel. Why? The reason is that C-shaped steel and channel steel have too many similarities. Then there is no difference between C-shaped steel and channel steel. Features? Obviously not, so what is the difference between C-shaped steel and channel steel?
First of all, we should know that from the perspective of production technology, C-shaped steel is compared with traditional channel steel. C-shaped steel can save 30% of material under equal strength. It has to be said that this is a big advantage of C-shaped steel. The reason is Because the C-shaped steel is processed by cold bending of hot coils, it has a thin wall, light weight, excellent cross-section performance, and very high strength.
In addition, we know that the channel steel is produced by hot rolling, the thickness is relatively large, and it is directly supplied by the steel plant; but the C-shaped steel is produced by cold rolling of strip steel (of course, it is also produced by hot rolling), and the thickness is comparable to that of channel steel. It is very thin, and in general, it is supplied by steel structure factories.
And judging from their classification, there are also big differences. Generally speaking, channel steel can be divided into: ordinary channel steel and light channel steel. The specification of hot-rolled ordinary channel steel is 5-40#. The specifications of hot-rolled flexible channel steel supplied by agreement between the supply and demand parties are 6.5-30#. The channel steel can be divided into 4 types according to the shape: cold-formed equal-side channel steel, cold-formed unequal-side channel steel, cold-formed inner-coiled channel steel, and cold-formed outer-coiled channel. However, C-shaped steel is divided into: galvanized C-shaped steel, hot-dip galvanized cable tray C-shaped steel, glass curtain wall C-shaped steel, unequal-side C-shaped steel, inner crimped C-shaped steel, roof (wall) purlin C-shaped steel, automobile profile C-shaped steel and many more. From this point of view, from the perspective of classification alone, the difference between C-shaped steel and channel steel is also very significant.
Finally, the easiest point to distinguish between C-shaped steel and channel steel is their cross-sectional shape. The full name of C-shaped steel is cold-formed internally crimped channel steel. From this we can know that the cross-section of C-shaped steel has crimped edges, while the channel steel is straight-edged. From this point of view, C-shaped steel and channel steel are still Well distinguished.
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