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Cold Rolled & Galvanised
Exterstahl RELAX
Exterstahl RELAX
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Exterstahl Relax steel sheets have been specially developed for processing on the most modern laser cutting machines and are excellently suitable for unmanned shifts.
• Optimized for high performance in automated production
• Shortened production times
• Outstanding laser cutting properties
• Lower post-processing need of the cut parts
• Consistent surface and high homogeneity
• Strongly limited flatness tolerances

Exterstahl Laser Quality
Flatness deviations are limited to less than ⅓ of the normal deviations according to EN 10051.
Width tolerances for cut edges are limited to a maximum ⅓ of the permissible deviations according to EN 10051.
Length tolerances are reduced to maximum ½ values according to EN 10051.
Significantly improved squareness of the sheets – ½ values according to EN 10051.

Selected and inspected premium quality
For a smooth cutting operation and the best results:
Our quality controls during the entire production process from the receipt of the coil to the delivery of the sheet ensure that our Exterstahl RELAX steel sheets meet the high demands of laser processing.
Already during the selection of the steel coils only proven manufacturers get the call after grade- and dimension-specific approval procedures.
Exclusively coils with a 3.1 Inspection Certificate and the corresponding test reports are processed.
The sheets are levelled by a specially developed tension free procedure so that preferably no deformations occur when cutting.
Reduced speed during this manufacturing process enables sheets of the highest quality to be produced.

Surfaces
Our Exterstahl RELAX steel sheets are generally suitabe for galvanizing.
Choose the optimal surface to keep the laser plant in a clean and technically flawless condition.
• Relax standard surface, lightly scaled
• Relax brushed – free of non-adhesive scales
The non-adhesive scales are mechanically removed by carbide brushes and subsequently suctioned away. As a result, the protective micro-scale layer is completely retained.
• Relax brushed & oiled – After the loose scales are removed,
an oil coating is applied to the surface.
• Relax pickled – completely scale-free
Exterstahl RELAX Brochure
Here you can download the “Exterstahl RELAX Brochure”

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