Arc Welding Sheet Metal

Shielded metal arc welding smaw also known as manual metal arc welding mma or mmaw flux shielded arc welding or informally as stick welding is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld.

Arc welding sheet metal.

Stainless steel or 24 ga. Just grab a piece of sheet metal to get the heat set correctly and go to town. Keep in mind during the welding process it is important to direct the arc right at the center of the weld puddle and don t do movements like whipping or weaving. 3 6 for weldments of sheet metal see ses w06 f19.

3 8 for guidance in the selection of the proper welding process see ses w01 f02 and w03 f02. I would compare it to performing plastic surgery with butcher knives. Every surgeon can operate a scalpel but only a few could work with any tool. A good heat setting for 1 8 6011 rods on thin material is about 80 90 amps.

Yes arc welding sheet metal is difficult tedious and probably a bit insane but it is feasible. An electric current in the form of either alternating current or direct current from a welding power supply is used to form an electric arc. Disclaimer due to factors beyond the. Now you know the secret of arc welding thin metal sheets.

When mig welding sheet metal it is important to set the proper parameters to prevent warping and burn through or else it will create excess heat and easily blowholes on the metal. Only pause at the puddle and then move back to establish a puddle in the crater. 3 7 all welding and tack welding shall be done by welders who have satisfactorily passed welder s qualification tests. The more time the arc is in an area the hotter it becomes.

Gas metal arc welding gmaw is a very effective method in joining together thinner materials. Always travel in a straight line and use the fastest travel speed possible that maintains a good bead profile. For 3 32 7018 s it s about the same. Heat and establish a puddle move along your welding direction far enough to allow the puddle to freeze keep moving.

Everyone is different but those settings will get you in the right ballpark to weld sheet metal. Techniques for welding sheet metal to prevent burn through and warping don t whip or weave the torch. 3 5 for gas tungsten arc welding gtaw see ses w07 f01.