Racking Racking and general structures can be constructed from FastClamps. Care must be taken to enure that the tube size selected is adequate for the loads anticipated. To help with the selection of the correct tube, table 4 provides the uniformly distributed loads that can be supported between upright posts assuming that the load is supported by two tubes. These loads are calculated based on the maximum bending moment for the tube. Table 5 provides the load capacity for single upright posts with various unsupported lengths. These loads are based on the compression strength and buckling loads of the CHS tube. NB When designing structures care must be taken to ensure that the load on any one grub screw does not exceed 900kg. In addition to the standard fittings illustrated on our web site special cast steel fittings can be fabricated to order to meet any application. These can be fabricated for a combination of tube sizes and angles. Horizontal Tubes Load Capacity (table 4) Vertical Strut Load Capacity (table 5)