Zhejiang JUBA Welding Manufacturing Equipment CO., LTD.
MMA Welder,SMAW-Shielded Metal Arc Welding

Manual metal arc (MMA) welding is a process that does not require shielding gas. It features an electrode cover that protects the weld pool with a protective layer of slag. When the MMA welding process is completed, this layer of slag is removed, leaving behind a smooth finished weld underneath.

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