1. Shape & Structure - Resembles the letter "C"or "U" when viewed from the end. - Consists of a vertical web and two horizontal flanges(top and bottom). - Available in equal flange and unequal flange designs. 2. Material Types - Hot-rolled channel steel: Strong and durable, commonly used in construction. - Cold-formed channel steel: Lighter, used in lightweight structures. - Galvanized channel steel: Corrosion-resistant, ideal for outdoor use. 3. Standard Specifications - Standards (e.g., EN, DIN, JIS, GB, ASTM A36, A572) - Common sizes: Depth (50mm–400mm), Flange width (30mm–100mm), Thickness (3mm–20mm).
