Sorpas Nut in 3D
Sorpas Nut in 3D
Sorpas 3D
Sorpas 3D

SORPAS® FEA Weld Simulation, developed by SWANTEC, is the most widely used software for the modeling, simulation, and optimization of resistance welding parameters. It has been used in many industries for spot welding, projection welding, butt-welding, and micro-resistance welding. Unlike traditional methods, SORPAS® FEA software provides advanced computer simulations and results quickly and efficiently BEFORE implementation to minimize testing.

SORPAS® will:

  • Optimize welds and process parameters
  • Evaluate weldability of new materials and joints
  • Evaluate designs of weld combinations and electrodes
  • Troubleshoot welding problems and new applications
  • Reduce costs through reducing trial and error testing and, at the same time, provide a documentary trail

Huys Welding Strategies’ FirstWeld™ consultation program utilizes SORPAS® to not only improve and optimize their customers’ welds, but also to save time and money in both the analysis of welding parameters and the purchase of the simulation software.


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This is the original and standard version of SORPAS®. The 2½D models are ideal for quick simulations of flat sheet to sheet resistance spot welding and for any axis-symmetric models. Results are able to be produced in under 10 minutes and include predictions for post weld hardness, failure strengths, and nugget size.


With the power of 3D models, this version of SORPAS® allows for much more complex joint geometries and situations to be accurately modelled and simulated. SORPAS 3D® is ideal for non-axis symmetric models such as projection welding or parallel gap welding, as well as wire or clinch welding.


SORPAS® was created by engineers for engineers. It is easy to use and a quick training program is all you need. We added the playlist below to provide additional information.

Please see our articles page for more information on how to optimize your welding using SORPAS®.