Hainan Steel tells you: port engineering quality inspection is necessary to fit steel welding rules

1. electrodes, fluxes, welding wire and shielding gas used, etc., it is necessary to fit the design requirements of the specific rules and steel welding.
2. it is necessary to pass the examination of welders and welding processes and obtain the appropriate certification criteria.
3. The mechanical properties of welded joints is necessary to fit the design requirements and specifications rules.
4. Requirements penetration welds NDT inspection is necessary. NDT weld inspection method, quantity, location and results need to fit the design requirements and specifications rules. Hainan Steel