NST SF-3A
SF-3A is a fully drawn wire electrode designed for welding steel with impact requirements down to -40°C, suitable for shipbuilding grade E (NVE) steel. It works best with Ar/CO2 shielding gas.
- The description claims the electrode provides minimal spatter and good weld penetration in all positions.
- The description claims the electrode has a very low hydrogen content, reducing the risk of hydrogen cracks.
- The description claims the electrode requires less voltage than conventional wire electrodes.
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