Joining unknown or dissimilar steels?
Cracks in the center of the root pass?
Poor penetration on copper alloys?
Welds peel off when using high strength filler rod?
Problems welding contaminated cast aluminum?
Cracking problems on brazed joints subject to vibration, such as exhaust systems?
Warpage and distortion when welding stainless steel?
Cracking and porosity when welding cast iron?
Problems with inconsistent hardfacing performance?
When changing from stick electrode to MIG wire on the same alloys, cracking problems develop?
Solutions: Use a stronger filler metal, such as Polaris MIG. Skip weld. Slow the welding process down.