revised: Application technology back shielding in the Welding & Cutting sector

The right gas for Back Shielding

To protect the weld root and pipes

MESSER SOLUTION

As a rule, so-called forming gases, nitrogen/hydrogen mixtures, are used. The hydrogen component provides more security against residual oxygen. High-quality forming, however, requires only very low hydrogen content.

 

Advantages:

  • Protects the root side
  • No reaction of the melt with air components
  • No changes in colour or slag on the root side
  • Better corrosion resistance for CrNi-steels and nickel alloys

revised: Customer process back shielding in the Welding & Cutting sector

Back Shielding

Protect the weld root and pipes

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