q355c合金钢管厂在开展电焊焊接工作中的全过程中，尽量要留意焊接的品质。一切正常状况下，q355c合金钢管的焊接从外型上看来得话，其的单双面焊接外型成型优良，并且光滑齐整，熔宽及提升高等学校均合乎相对的规定。除此之外，所造成的铸造缺陷显著要比手工电弧焊单双面焊两面成型加工工艺出現缺点的几率要低。

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