The Quality Problems Shall Be Paid Attention on the Scaffolding Planks
The Quality Problems Shall Be Paid Attention on the Scaffolding Planks 1. The appearance of hot dip galvanized steel scaffolding planks size length is not restricted, generally width is 240 mm, 250 mm, height 65 mm, 50 mm respectively. Steel scaffolding planks dimension allows error: should not be more than + 3 mm in length, the width should not be more than + 2.0 mm, height should not be more than + 1.0 mm. 2. The aperture (12 mmx18mm), pitch (30.5 mmx40mm), on the surface of punching out side 2 mm, flanging height 1.5 mm. Panel antiskid error should not be more than + 1.0 mm hole diameter, hole spacing error should not be more than + 2.0 mm, hole flanging height error should not be more than + 0.5 mm. 3. The steel scaffolding planks frilled edge corners should be maintain 90 °, deviation should not be more than + 2 °. 4. Steel scaffolding planks, board face should level off, the plate deflection should not be more than 5.0 mm. The floor of the stability of the best ...