Focus on Steel 2017 | Page 17

17 Bars capabilities • Dimensions: Ø 6 - 160 mm • Tolerance: ISO f7 • Ovality: max. 1/2 of the value of the tolerance range of the diameter • Standard length: 3000 - 7500 mm • Roughness of the surface: Ra: max. 0,20 μ m • Chromium layer thickness: Ø < 20 mm: min. 15 μ m Ø ≥ 20 mm: min. 20 μ m • Microhardness of the chromium layer: min. 900 HV0.1 • Straightness: Ø ≤ 20 mm: max. 0,3 mm / 1000 mm Ø > 20 mm: max. 0,2 mm / 1000 mm Tubes capabilities • External diameter - DE: Ø 12 - 140 mm • Internal diameter - DI: See Dimensional standardisation • External tolerance - DE: ISO f7 / ISO f8 • Ovality - DE: max. 1/2 of the value of the tolerance range of the diameter • Standard length: 3000 - 7500 mm • Roughness of the surface - DE: Ra: max. 0,20 μ m • Chromium layer thickness: DE < 20 mm: min. 15 μ m DE ≥ 20 mm: min. 20 μ m • Microhardness of the chromium layer: min. 900 HV0.1 • Straightness: max. 0,25 mm/1000 mm Customized services • Cutting and deburring • Drilling and radial threading • Drilling and threading on a circular surface • Circular sawing • Flat milling • Adjusting thread diameters • Drilling and axial threading • Grooving • Joining shafts