Plain butt welding process for high-strength hull structural steel
2010
The invention relates to a process for welding a high-strength hull structure steel, in particular to a plain butt welding process for a high strength hull structural steel plate (CCSE69040mm). The butt welding process is characterized in that effective specifications for bevel for welding, weld preheating, welding temperature, welding sequence, welding variables and after-welding cold treatment are provided. The plain butt welding process has the advantages of enabling the process of welding a super-thin high strength steel plate to be implemented smoothly, improving the operating efficiency, saving the raw materials, reducing the production cost, reducing the shipbuilding period, and filling a domestic technical blank on the welding of a high strength thick hull structural steel (CCSE69040mm).
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