Welding Technique Design and Implementation in Super-thickness Coaming of Super-large Hatch

The super-large hatch multi-purpose heavy lift ships,for shipping overweight,oversized cargo,has good market prospects.The paper deals with how to prevent weld cracks during the construction of thick-type cargo hoardings,selecting the welding materials,welding methods and parameters such as welding technique,designing and construction,achieved satisfactory results.