Fracture toughness of both shielded metal arc welding and gas metal arc welding is almost the same.
焊条电弧焊焊缝的断裂韧性与气体保护焊焊缝的断裂韧性相当。
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。
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。
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