Marking requirements for energy storage welding studs

What are the requirements for welding studs?

The areas to which the studs are to be welded shall be free of scale, rust, mois-ture, paint, or other injurious material to the extent necessary to obtain satisfactory welds and prevent objec-tionable fumes. These areas may be cleaned by wire brushing, scaling, prick-punching, or grinding.

What are the ISO standards for stud welding?

One current standard for the stud welding industry is ISO 13918:2017. In addition to stud welding, this ISO can be generally applied in most metal working fields, but those working with the stud welding process will find the specifics most useful to their production floor.

What settings should a stud weld gun be set at?

Welding voltage, current, time, and gun settings for lift and plunge should be set at optimum settings, based on past practice, recommenda-tions of stud and equipment manufacturer, or both. AWS C5.4, Recommended Practices for Stud Welding, should also be used for technique guidance. 7.5.2 Multiple Welding Guns.

How long should a stud Weld be?

The repair weld shall extend at least 3/8 in. [10 mm] be-yond each end of the discontinuity being repaired. 7.7.4 Operator Qualification. The pre-production test required by 7.7.1, if successful, shall also serve to qualify the stud welding operator.

Can studs be welded through decking?

When welding directly to base metal, the base metal shall be no thinner than 1/3 the stud diameter. When welding through deck, the stud diameter shall be no greater than 2.5 times the base mate-rial thickness. In no case shall studs be welded through more than two plies of metal decking. 7.3.1 Standard Mechanical Requirements.

What are the ISO 13918 standards for stud welding?

When it comes to stud welding, ISO 13918 standards cover the majority of common arc procedures including drawn arc, CD, and short cycle stud welding. For all these types of the stud welding process, Northland Fastening Systems provides a comprehensive range of supplies meeting ISO 13918 standards.