D40M埋弧焊丝改进研究

1.洛阳船舶材料研究所,河南,洛阳,471039

2.九江市锅炉压力容器检验研究所,江西,九江,332000

3.洛阳船舶材料研究所,河南,洛阳,471039

4.洛阳船舶材料研究所,河南,洛阳,471039

Improvement of D40M Wire for Submerged Arc Welding

适当增加D40M埋弧焊丝中C、Cu的含量,解决了该埋弧焊丝与705-ch焊剂配用时出现的熔敷金属低温韧性偏低和焊丝镀铜的问题,保证了D40M埋弧焊丝生产供货的合格率.

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