VARIGON He70 | Linde Gas Czech Republic
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  • VARIGON He70

VARIGON He70

Increasing productivity and efficiency, whilst reducing overall production costs

VARIGON He70 is a two-component mixture containing 30% argon and 70% helium. The mixture of helium and argon increases the supply of energy to the weld pool, making it more fluid. This, in turn, increases the penetration profile and weld fusion characteristics. Both of these features help reduce the likelihood of defects and the need to rework.

The addition of helium to argon also increases welding speeds relative to pure argon. Benefits include lower production costs and improved productivity.

Increasing the helium share to 70% produces a very fluid weld pool with excellent fusion and penetration characteristics, making VARIGON He70 ideal for MIG and TIG welding of thicker components made of non-ferrous materials such as aluminium alloys, copper alloys and titanium. The ideal operating range for MIG and TIG welding of non-ferrous materials is 6 to 12mm and upwards, although it can be used successfully outside this band.

Benefits at a Glance

  • Improved fusion with deep, wide weld beads thanks to high energy transfer from helium

  • Reduced risk of sidewall fusion defects

  • Up to 30% speed gain compared with argon (10mm material)

  • Reduced preheating effort and distortion with copper and thick aluminium

  • Reduced weld prep effort even relative to VARIGON He50, resulting in increased productivity and lower production costs

  • Lower gaseous fumes for enhanced workshop environment.

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