In What Aspects Does The Steel Structure Grid Have Requirements?

In the grid project, each steel structure grid component we install and use has certain requirements, and usually, the steel structure grid will put forward special requirements or higher requirements in the following aspects:
  Structural parts: material, surface roughness, tolerance, surface treatment, straightness (or radian);
  Connection: hole position deviation, bolt grade; Welding methods, welding standards, welding consumables; Air tightness, requiring non-destructive testing, liquid penetration testing, etc.;
  Overall structure: verticality, horizontality, etc.;
  Packaging: packaging materials, packaging methods;
  Storage: ambient temperature, ambient humidity;
  Transportation: loading and unloading, placement in the car, placement in the container, etc.