Steel Building Homes Construction Services

Preparation work before installation and welding of steel structures The test steel includes Q345GJC-Z15 (wall thickness 70mm) Q345GJC-Z15 (wall thickness 40mm) Q345C (flange thickness of 28mm), The welding positions of Steel Buildings are column column to column transverse welding and column to beam flat welding (including truss beam upper and lower flange flat welding) T-shaped corner welding. The form and size of the groove shall comply with the design requirements. After passing the appearance and ultrasonic inspection after welding, samples were taken for mechanical and physical tests.   The test result shows that the tensile strength of the joint meets the standard value of the base material's tensile strength, and the joint is bent 180 ° without cracks. The welding materials and equipment used for Metal Building Homes should meet national standards and have excellent performance. The devices for slag cleaning, air gouging, welding rod drying and insulation should be com…