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DIN EN 10029
We straighten in accordance with the DIN EN 10029 (normal / fine precisely) or by appointment also better than just fine. Through the years of experience of our employees we achieve evenness in the 1/10 mm range. At our site in Duisburg, we can also also warm straighten by existing soaking pits. This is necessary, for example with particularly thick but also in high-strength steel. On request, we carry out analyzes with a spectrometer.

We are your partner around the straightening.

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Normal Flatness Tolerances (Class N) - DIN EN 10029 Tab 4
Dicke Stahl-Gruppe L Stahl-Gruppe H
Re ≤ 460 MPa  Re >460MPa / <700MPa
  Messlänge in mm
  1000 2000 1000 2000
≥ 3< 5 9 14 12 17
≥ 5< 8 8 12 11 15
≥ 8< 15 7 11 10 14
≥ 15< 25 7 10 10 13
≥ 25< 40 6 9 9 12
≥ 40< 250 5 8 8 12
≥ 250< 400 6 9 9 13
Restricted Flatness Tolerances (Class S) - DIN EN 10029 tab 4
Dicke Stahl-Gruppe L Stahl-Gruppe H
Re ≤ 460 MPa  Re >460MPa / <700MPa
  Messlänge in mm
  1000 2000 1000 2000
≥ 3< 5 5 10 7 14
≥ 5< 8 5 10 7 13
≥ 8< 15 3 6 7 12
≥ 15< 25 3 6 7 11
≥ 25< 40 3 6 7 11
≥ 40< 250 3 6 6 10
≥ 250< 400 4 7 7 11
Flatness Tolerances - Download
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