Steel channel has been classified into “C” and “U” types depending on its outlook. Hence there are two standards to show the channel dimensions – UPE & UPN. UPE is for the C channel steel with parallel flanges while UPN for the U channel steel with tapered flanges.
| Size | 25MM x 25MM |
| Thickness | 1.6mm |
| Length | Std. 6 meters |
