Efficient full penetration welding technology and material for medium thick plate H-shaped steel

Analyze the weld penetration welding technology and joint flaw detection of H-shaped steel plate without groove. The research shows that the weld penetration welding of H-shaped steel plate without groove can meet the requirements of penetration and has a good flaw detection rate. Through the analysis of the weld joint performance,the weld joint can meet the mechanical performance requirements of Q355B.