Selection Table for Angle Steel of Cable Tray Supports

Slotted or solid GI (galvanized iron) L-angle steel, typically 40x40mm to 80x40mm with 2–2.5mm thickness, is commonly used for cable tray supports.Material and TypeCable tray supports are generally made from steel or stainless steel, with galvanization or powder coating applied to enhance corrosion resistance, especially in industrial or outdoor environments . The most commonly used type is GI slotted L-angle steel, which allows flexibility in mounting and adjustment of cable trays . Solid L-angles are also used for heavy-duty applications where maximum structural stability is required .Dimensions and ThicknessTypical L-angle steel sizes for cable tray supports range from 40x40mm, 60x40mm, to 80x40mm, with a thickness of 2mm to 2.5mm . The choice of size depends on the load-bearing requirements of the cable tray system, the span between supports, and the weight of the cables.Structural FeaturesSlotted angles provide adjustability, allowing easy attachment of cable trays, conduits, or other support elements at various points .Solid angles offer higher rigidity and are suitable for environments with heavy mechanical stress or vibration, such as factories or substations .Supports can be welded or bolted to structural components like walls, beams, or ceilings for long-term stability .Installation ConsiderationsEnsure the angle steel is properly coated (pre-galvanized, hot-dip galvanized, or powder-coated) to prevent corrosion .Select the appropriate anchor or fastener based on the mounting surface (e.g., M10, M12, or M16 bolts for concrete or steel frames), .Maintain proper spacing between supports according to the cable tray manufacturer's recommendations to avoid sagging or deformation.ApplicationsAngle steel supports are widely used in industrial facilities, warehouses, power plants, and commercial buildings. They provide a robust and durable framework for cable trays, ensuring stability under heavy loads and in environments with vibration or mechanical impact . By selecting the correct type, size, and finish of angle steel, you can ensure a safe, durable, and adjustable cable tray support system suitable for your installation needs.