With SMAW method, the surfaces of A3 and 45 steel were welded by using the series of CHR electrode, and the microstructure and performance of surfacing welding layer metal were analyzed.
借助手工电弧焊方法，使用CHR系列堆焊焊条对A 3、45钢进行堆焊加工，分析了其堆焊层金属的显微组织及性能。
Surfacing process is conducted on the substrate of steel A3 by shielded metal arc welding process using electrode CHR322 under different welding current conditions.
采用堆焊焊条CHR322，在A 3钢基体上以不同的焊接工艺进行手工电弧堆焊试验。
Surfacing process test is made on Q235 steel substrate by shielded metal arc welding process using electrode CHR322 at different welding current condition.
前言：采用焊条电弧焊工艺方法，选用C HR322堆焊焊条在Q235钢基体上以不同的焊接电流进行了堆焊试验。
In this paper, the technology of double electrode single arc welding is introduced and the double surfacing electrode is studied.
介绍了双电极焊条单弧焊工艺，研究了双电极石墨型堆焊焊条。
In this paper, the technology of double electrode single arc welding is introduced and the double surfacing electrode is studied.
介绍了双电极焊条单弧焊工艺，研究了双电极石墨型堆焊焊条。
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