Table of Contents

Section 1 Scope And General

1.1 Scope

1.2 Referenced Documents

1.3 Definitions

1.4 Designation

1.5 Classification Of Hollow Extruded Shapes

1.6 Rounding Of Test Result Values

1.7 Marking

1.8 Traceability

Section 2 Manufacturing Requirements

2.1 Scope

2.2 Chemical Composition

2.3 Surface Finish

2.4 Freedom from Defects

2.5 Mechanical Properties

2.6 Manufacturing Tolerances

Section 3 Mechanical Testing Requirements

3.1 Scope

3.2 Sampling For Mechanical Testing

3.3 Location And Preparation Of Tensile Test Pieces

3.4 Tensile Test

3.5 Retesting.

Section 4 Manufacturing Tolerances

4.1 Scope

4.2 Diameter Tolerances For Extruded Machining Rod (Alloys 2011 And 6262 Only)

4.3 Distance-Across-Flats Tolerances For Extruded Machining Hexagonal Bar (Alloys 2011 And 6262 Only)

4.4 Diameter, Width And Depth Tolerances For Class A Hollow shapes

4.5 Wall Thickness Tolerances For Class A Hollow Shapes

4.6 Cross-Sectional Tolerances For Rod, Bar, Solid Shapes And Class B, C And D Hollow Shapes

4.7 Length Tolerances

4.8 Twist Tolerances

4.9 Straightness tolerances

4.10 Flatness (Flat Surface) Tolerances

4.11 Total Transverse Flatness Tolerances 4.12 Angularity Tolerances

4.13 Contour tolerances

4.14 Corner And Fillet Radii Tolerances

4.15 Squareness-Of-Cut-Ends tolerance

Section 5 Yacht Masts

5.1 Scope 5.2 Cross-Sectional Dimension Tolerances

5.3 Twist Tolerances

Appendices

A Purchasing Guidelines

B Typical Fabrication Characteristics And Application Data