The standardisation of inert welding gases is now uniform throughout the world, under the international DIN EN ISO 14175 standard.
Previously, inert welding gases were standardised under the European DIN EN 439 standard. The new standardisation however, sees changes to mix accuracy, permissible moisture content and the main group names.
The new standards are likely to be of particular interest to companies with international operations, who work in areas requiring licenses.
Messer, one of the gas specialists, provides comparison tables on the internet at its site www.messergroup.com. This shows, at a glance, the allocation of products from the Messer range of inert welding gases and provides comprehensive information about the new designations.
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