Structural parts: material, surface roughness, tolerance, surface treatment, straightness (or radians)
Connection: hole deviation, bolt grade; welding method, welding standard, welding consumables; air tightness, required for non-destructive testing, liquid penetration testing
The overall structure: vertical degree, level and so on
Packaging: Packaging materials, packaging methods
Storage: ambient temperature, ambient humidity
Transport: loading and unloading, placed inside the car, placed within the container, and so on.
Previous: Steel Structure