How to check the quality of galvanized steel scaffolding planks?
Do you know how to check whether or not the galvanized steel scaffolding planks are qualified enough to assure the safety of the whole scaffolding work.
1 There is no limit on the length of the galvanized steel walking board, and the width of it are usually between 240mm and 250mm. It height limits between 65mm and 50mm. For the size tolerance of the external scaffolding size: length within above or below 3mm and width 2.0mm with height within above or below 1.0mm.
2 Hole diameter of 12*18mm with a tolerance of above or below 1.0mm; and the space of 30.5*40mm; turn up edging of 2mm with a turn up height of 1.5mm with a tolerance of above or below 0.5mm.
3 Edge folding angle shall keep to be 90 with a tolerance no more than above or below 2 centigrade.
4 The surface of scaffolding planks shall be smooth and solid with a torsion force shall be no more than 5.00mm. The surface adoptsconcavegrooves in the shape of triangle as this is with the best stability.