ММА – manual arc welding with coated stick electrodes. Used for welding carbon and stainless steel. Carbon steels can be welded with alternate (AC) and direct (DC) current, stainless steels – with direct current only.
Pros and cons of the MMA method
+ Welding in any plane
+ No need for gas cylinders
– Low productivity
– The need to clean items of slag
We guarantee successful passage of all tests in accordance with the requirements of national and international standards during and after completion of work.