BS EN 755-9:2016
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Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles – Profiles, tolerances on dimensions and form
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 24 |
This European Standard specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded profile with a cross section contained within a circumscribing circle not greater than 800 mm (see Figure 1).
The temper designations used in this part are according to EN 515 .
This European Standard applies to extruded profiles for general engineering applications only.
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PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 5 | European foreword |
| 7 | 1 Scope Figure 1 — Circumscribing circle 2 Alloy groups Table 1 — Alloy groups |
| 8 | 3 Tolerances on dimensions 3.1 Cross-sectional dimensions 3.1.1 General Figure 2 — Definition of dimensions A, B, C, E, H 3.1.2 Tolerances on dimensions other than wall thickness |
| 9 | Table 2 — Tolerances on cross-sectional dimensions of solid and hollow profiles – Alloy group I Table 3 — Tolerances on cross-sectional dimensions of solid and hollow profiles – Alloy group II |
| 10 | Table 4 — Additions to the tolerances on cross-sectional dimensions H of solid and hollow profiles with open ends – Alloy groups I and II Figure 3 — Hollow profile with open end |
| 11 | Figure 4 — Solid profile with open end 3.1.3 Tolerances on wall thickness of solid and hollow profiles Table 5 — Tolerances on wall thickness for profiles with a circumscribing circle up to and including 300 mm – Alloy group I |
| 12 | Table 6 — Tolerances on wall thickness for profiles with a circumscribing circle over 300 mm –Alloy group I Table 7 — Tolerances on wall thickness for profiles with a circumscribing circle up to and including 300 mm – Alloy group II |
| 13 | Table 8 — Tolerances on wall thickness for profiles with a circumscribing circle over 300 mm – Alloy group II 3.2 Length Table 9 — Tolerances on fixed length |
| 14 | 3.3 Squareness of cut ends 4 Tolerances on form 4.1 General 4.2 Straightness Figure 5 — Measurement of deviation from straightness 4.3 Convexity-Concavity |
| 15 | Figure 6 — Measurement of convexity – concavity for hollow sections Figure 7 — Measurement of convexity – concavity for open section |
| 16 | Table 10 — Convexity – concavity tolerances 4.4 Contour |
| 17 | Figure 8 — Definition of contour tolerances Table 11 — Contour tolerances for alloys in Alloy Group I 4.5 Twist |
| 18 | Figure 9 — Measurement of twist |
| 19 | Table 12 — Twist tolerances 4.6 Angularity Table 13 — Angularity tolerances for right angles |
| 20 | Figure 10 — Measurement of angularity in a right angle Figure 11 — Measurement of angularity in an angle other than a right angle 4.7 Corner and fillet radii |
| 21 | Table 14 — Maximum allowable corner and fillet radii Table 15 — Maximum allowable deviation from specified corner and fillet radii |
| 22 | Bibliography |
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