Welding processes and equipment

Shielding gases

This technical module explains the main principles, practical relationships, limitations and typical applications of the topic in welding production.

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Topic overview

This technical module explains the main principles, practical relationships, limitations and typical applications of the topic in welding production.

What the module covers

  • Colour identification of industrial-gas cylinders
  • Main rules from EN 1089-3
  • Categories and risks of confusion
  • Old versus new marking in the supplied overview
Educational content does not replace current standards, approved WPS/WPQR documentation or decisions by competent welding coordination personnel.