C4 × 5.4 Steel Channel – Structural Channel | Bobco Metals The C4 × 5.4 steel channel is a strong, versatile structural channel commonly used in construction, fabrication, framing, and support applications. With a nominal depth of 4 inches and a weight of 5.4 lbs per foot, this channel offers an excellent balance of strength and weight for both commercial and industrial projects. Manufactured to meet standard structural steel specifications, it delivers reliable performance and durability. Available from Bobco Metals, your trusted source for quality steel products and custom metal solutions. read more: https://www.bobcometal.com/hot-rolled-channels-standard-size-c4-x-5-4.html