Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles - Square bars, tolerances on dimensions and form

Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles - Square bars, tolerances on dimensions and form

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BS EN 755-4:2008 Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Square bars, tolerances on dimensions and form

BS EN 755-4 is the European Standard document and part of the BS EN 755 series, that specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded square bars having widths across flats from 10 mm up to 220 mm.

The temper designations used in this part are according to BS EN 515.

Contents of BS EN 755-4 include:

  • Foreword
  • Scope
  • Alloy groups
  • Tolerances on dimensions
  • Width across flats
  • Corner radii
  • Length
  • Squareness of cut ends
  • Tolerances on forms
  • Straightness
  • Convexity - Concavity
  • Twist
  • Squareness
  • Bibliography

BS EN 755-4:2008 supersedes BS EN 755-4:1996, which has been withdrawn.