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着重介绍了厚板材料Q390的材料特性及CO_2气体保护焊单面焊双面成形的全熔透焊接工艺、施焊要点以及必要的试验数据,为今后类似材料的厚板焊接提供了参考依据。
The material characteristics of thick plate material Q390 and the full penetration welding process, the points of welding and the necessary test data for double-sided forming of single-side welding of CO2 gas shielded welding are emphatically introduced, which provide references for the thick plate welding of similar materials in the future.