Technical Specifications and the Engineering of Stud Welding

As one of the most versatile and widely used fastening systems, stud welding is an invaluable operation for a broad range of manufacturing industries. Because of its wide range of uses, stud welding has to meet a large number of engineering specifications, such as sizing, strength, materials, format, and process specifications. For any stud-welding project specifications, Northland Fastening Systems provides services and offers equipment, studs, accessories, and everything you need to get the job done.

 

Stud welding can be performed with drawn arc welding or CD welding units that vary in sizes, portability, and capability. Though both drawn arc and CD welding are rapid operations that provide a weld connection stronger than the stud and surface material combined, they differ in several ways when it comes to the engineering specifications.

 

Drawn Arc Stud Welding

  1. Materials used:
    1. Low-carbon steel with tensile strength of 60,000 psi minimum, a yield strength of 50,000 psi minimum, and a 20% minimum elongation in 2 inches. When annealed, the tensile strength becomes 50,000 psi, yield becomes 35,000 psi, and elongation becomes 25%.
    2. Stainless steel with tensile strength of 85,000 psi minimum, a yield strength of 40,000 psi minimum, and a 45% minimum elongation in 2 inches.
  2. Stud fastening torques:
    1. For low-carbon steel with studs ranging from 8-32 to 1”-8: between 17.8 and 2831 lbs per inch.
    2. For stainless steel with studs ranging from 8-32 to 1”-8: between 19.8 and 3440 lbs per inch.

 

CD Stud Welding

CD welding studs use a variety of materials from steel to brass. Each stud material provides a successful weld that is dependent on the base material. Some are more suited to a base material than others. For example:

  1. Mild steel:
    1. Excellent when welded to other mild steels, galvanized sheet materials, structural steel, stainless steel, and lead-free brass, rolled copper, and electrolytic copper
    2. Good when welded to medium-carbon steels and die-cast zinc alloys
    3. Cannot be welded to common aluminum alloys
  2. Stainless steel:
    1. Excellent when welded to mild steels, galvanized sheet materials, structural steel, stainless steel, and lead-free brass, rolled copper, and electrolytic copper
    2. Good when welded to medium-carbon steel and die-cast zinc alloys
    3. Cannot be welded to common aluminum alloys
  3. Aluminum:
    1. Excellent when welded to die-cast zinc alloys and common aluminum alloys
    2. Cannot be welded to mild steels, galvanized sheet materials, structural steel, stainless steel, and lead-free brass, rolled copper, or electrolytic copper
  4. Brass:
    1. Excellent when welded to mild steels, structural steel, stainless steel, and lead-free brass, rolled copper, and electrolytic copper
    2. Good when welded to medium-carbon steel and die-cast zinc alloys
    3. Cannot be welded to galvanized sheet materials and common aluminum alloys

 

Learn more about engineering specifications in the stud welding industry with Northland Fastening Systems. To get started with us today, call (651) 730-7770 or request a quote online.