Mild Steel U C Channel Shape and AISI, ASTM, GB, JIS Standard Channel Steel

Mar 26, 2026

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Product Description

Channel / U Steel Bar:
Channel steel bar is mainly used in building structures, du vehicle manufacturing and other industrial structures. Channel steel is often used in combination with I-beam. According to the theory of steel structure, the channel steel wing plate should be stressed, that is to say, the channel steel should stand up, not lying down.

1. Product size and pictures:

Mild Steel U C Channel Shape and AISI, ASTM, GB, JIS Standard Channel Steel


1.What is a channel steel?

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Steel channel is a "C"-shaped hot-rolled carbon steel built with a vertical web and inside radius corners on the top and bottom horizontal flanges. Steel channels consist of a wide web and two flanges, which could be parallel or tapered.

 

2.How is channel steel made?

These channels are produced through a hot-rolling process where mild carbon steel strips are heated to high temperatures, making them malleable. They are then passed through rollers to form the characteristic "C" shape, which features a broad vertical web and two flanges.

 

3.What is another name for C channel steel?

Mild steel channel, also commonly known as U channel or C channel is measured by width x depth x weight per metre. These sections are manufactured from S275JR grade steel and have excellent machinability and weldability.

 

4.What size is a 4 inch steel channel?

4 channel, sometimes referred to as the C4 channel, is a structural steel channel that weighs 5.4 pounds per foot and has dimensions of around 4 inches in height, 1.584 inches in flange width, and 0.184 inches in web thickness.

 

5.What are the disadvantages of channel steel?

Disadvantages of Galvanized C Channels

Limited Load-Bearing Capacity. While galvanized C channels provide good support, they may not have the same load-bearing capacity as I-beams, especially in heavy-duty applications. ...

Flexibility. ...

Surface Preparation.