MMA (Manual Metal Arc) Welding
An arc-welding process wherein coalescence is produced by heating with an arc between a covered metal (stick) electrode and the work. Shielding is obtained from decomposition of the electrode covering. Pressure is not used and filler metal is obtained from the electrode.
Related Links
The Manual Metal Arc Process (MMA Welding) – TWI
What is MMA welding? | Welding Methods | Service | Welding Equipment | Kjellberg Finsterwalde
Manual Metal Arc (MMA) Welding | Linde Gas
Manual metal arc welding (MMA) – OpenLearn – Open University
MMA Welding Process | Oerlikon
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