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Stainless Steel welding seam cleaning before and after Laser Welding

Post-weld cleaning

Failure to clean and passivate the weld can have a serious impact on the lifecycle of the weld - such as corrosion, pitting, crevice corrosion and fatigue.

When it comes to industrial or architectural applications, stainless steel is the material of choice due to its corrosion resistance. Stainless steel also has high endurance, can be easily fabricated and requires the least effort in maintenance. The industrial environment in which stainless steel is formed or machined is quite hostile and is not very conducive to corrosion resistance. The corrosion usually takes place in the welds. As result of this, pitting and structure failure can take place which could potentially lead to a disaster.

It is thus imperative to treat the surface corrosion of stainless steels after welding.

There are a handful of methods for doing this, one of which is cleaning by Laser.

Parts made of stainless steel benefit from laser treatment in particular:

Laser light suspends the grain boundaries and thus weld-seams are passivated and exhibit increased corrosion resistance.

Laser cleaning advantages

Inline integration with welding.

High accuracy & repeatability.

Fully automated.

Fast contaminant removal.

No chemicals & abrasives.

Very low maintenance.

100% Ecologic

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