MS Channels or commonly known as C Channel, because of their C like shape is represented by its Web height & Flange width of the channel. ISMB Weight Chart And ISMC Weight Chart. MS Channel primarily carries horizontal gravitational forces and is used for bus body, EOT cranes and many more engineering industry needs. Sachiya Steel International suppliers as top supplier for building material, stock all sizes/ weights of channel from companies like SAIL, RINL and other prestigious manufacturers of mild steel channel.