Visual inspection, check whether the studs are vertical and the weld seam is uniform, whether the weld meat is full and uniform, and whether there is partial welding.
Before welding the studs, the stud construction position line should be released in accordance with the spacing
The stud is a kind of high-strength rigid connection fastener, used in various steel structure projects, and plays the role of rigid combination connection in different connectors.
Anchor bolts have the following three different methods during heat treatment, which are three kinds of steel, quenched and tempered steel, spring steel, and carburized steel.
Nowadays, many users on the Internet are very concerned about the national standards of fasteners.