Steel channels : Steel channels are used ideally as supports and guide rails. These are roll-formed products. The main metal used for making channels is steel along with aluminum. There are certain VARIATIONS that are available in the channels category, the categorization is MAINLY on the shape of the channel, the varieties are MENTIONED below: 

• J channels: This kind of channel has two legs and a WEB. One leg is longer. This channel resembles the letter-J.
• Hat channels: This channel has legs that are folded in the outward direction resembling an old fashioned man's hat.
• U channels: This most common and basic channel variety. It has a base known as a web and two equal length legs.
• C channels: In this channel the legs are folded back in the channel and resemble the letter-C. C channels are known as rests.
• Hemmed channels: In this kind of channel the top of the leg is folded HENCE forming double thickness. 

Steel channels : Steel channels are used ideally as supports and guide rails. These are roll-formed products. The main metal used for making channels is steel along with aluminum. There are certain variations that are available in the channels category, the categorization is mainly on the shape of the channel, the varieties are mentioned below: