Inspection method for inspection contents and required inspection quantity of quality inspection items of profiled steel plate: there shall be no cracks at the forming part of profiled steel plate, and 5% of the number of pieces connected shall be spot
checked, and no less than 10 pieces shall be observed and inspected.
After the profiled steel plate is formed, the coating and coating shall be free of cracks, peeling, scratches and other defects visible to the naked eye.
After forming the profiled plate, the surface of the plate shall be straight without obvious
warpage; the surface shall be clean without oil stain, obvious scratch, gouge, etc. the cut shall be straight, the cut surface shall be neat, the edge of the plate shall be free from obvious angle, concave convex and wave shape, and there shall be no
The allowable dimension deviation of profiled plate shall meet the requirements, and shall be checked with stay wire, steel ruler and angle ruler. The allowable dimension deviation of profiled steel plate is in mm. The allowable deviation
wave height is 2.5, the covering width is + 10.0-2.0, the plate length is + 10.0, the wave distance is + 2.0, and the bending is measured.
Note: L1 is the measured length, which refers to the actual length (less than 10m) after deducting 0.5m at
both ends of the board length or the optional 10m length after deducting. When the plate shape is complex or the accuracy requirement is high, the corresponding allowable deviation can be formulated for single project