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Follow on Google News | Some requirements for disc-type scaffoldingFirst, material requirements The vertical pole should not be lower than the provisions of Q345 in GB/T1591; the horizontal pole and horizontal diagonal pole should not be lower than the provisions of Q235 in GB/T700; the vertical diagonal pole shou
By: World Scaffolding Co., Ltd. 2. The mechanical properties of the steel plate of the adjustable support and adjustable base should not be lower than the provisions of Q235 in GB/T700; the mechanical properties of the hollow adjusting screw should not be lower than the provisions of grade 20 steel in GB/T 699; the mechanical properties of the solid adjusting screw should not be lower than the provisions of Q235 steel in GB/T700. 3. When the vertical pole connection plate is made of carbon cast steel, its mechanical properties should comply with the provisions of ZG230-450 in GB/T11352; when it is made of round steel hot forging or steel plate punching and pressing, its mechanical properties should not be lower than the provisions of Q235 in GB/T700. 4. When the bolt is made of carbon cast steel, its mechanical properties shall not be lower than the provisions of ZG230-450 in GB/T11352; when it is made of round steel hot forging, its mechanical properties shall not be lower than the provisions of 45 steel in GB/T 699; when it is stamped with steel plate, its mechanical properties shall not be lower than the provisions of Q235 in GB/T700. 5. When the connecting outer sleeve is made of carbon cast steel, its mechanical properties shall comply with the provisions of ZG230-450 in GB/T11352; when the outer sleeve is formed into a step-shaped inner wall by extrusion process, its mechanical properties shall not be lower than the provisions of Q235 in GB/T700; when the outer sleeve is made of seamless steel pipe, its mechanical properties shall not be lower than the provisions of Q345 in GBT1591; the inner insert is made of seamless steel pipe or welded pipe, and its mechanical properties shall not be lower than the provisions of Q235 in GB/T700. 6. The buckle joint is made of carbon steel, and its mechanical properties should comply with the provisions of ZG230-450 grade in GBT11352. https://www.hunanworld.com/ https://www.world- End
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