What is arc blow in welding? And why does it happen? And how can we prevent it?

ARC BLOW IS A DEFECT DUE TO DISTORTED MAGNETIC FIELD AT THE OF PART BEING WELDED

ARC BLOW IS A DEFECT DUE TO DISTORTED MAGNETIC FIELD AT THE OF PART BEING WELDED, TO PREVENT MUST BE CONSISTENT ON HEIGHT OF THE ARC OF WELDING

the reason of arc blow high current contaminated with sulfur strong wind.cover the area when there is strong wind.check proper amperes .practice is a must.

Flux..use the right personal protective equipment.

the arc blow in welding is the bubbles from moisture, it comes a porosity,  because the electrode some cold, it comes moisture,, so the electrode, make sure oven first before using, to prevent the porosity ,