BS 4L 100:1993

Foreword
Committees responsible
Section 1. General requirements
1.1 Scope
1.2 General
1.3 References
1.4 Definitions
1.5 Information and requirements to be agreed and to
      be documented
1.6 Manufacture and freedom from defects
1.7 Cast aggregation
1.8 Heat treatment
1.9 Chemical composition
1.10 Testing
1.11 Marking
1.12 Protection and packaging
1.13 Certification
Section 2. Ingot for hot working
2.1 General
2.2 Dimensions and tolerances
2.3 Tensile test
2.4 Electrical conductivity measurement
2.5 Internal defects
2.6 External defects
2.7 Marking
2.8 Summary
Section 3. Extruded bar and section for forging
3.1 General
3.2 Manufacture
3.3 Dimensions
3.4 Tensile test
3.5 Internal defects
3.6 External defects
3.7 Etch inspection
3.8 Marking
3.9 Summary
Section 4. Bar for machining and extruded section not
subject to solution treatment
4.1 General
4.2 Manufacture
4.3 Dimensions and tolerances
4.4 Batch size
4.5 Tensile test
4.6 External defects
4.7 Marking
4.8 Summary
Section 5. Bar for machining and extruded section subject
to solution treatment
5.1 General
5.2 Manufacture
5.3 Dimensions and tolerances
5.4 Batch size
5.5 Batch uniformity
5.6 Tensile test
5.7 Internal defects
5.8 External defects
5.9 Etch inspection
5.10 Surface finish
5.11 Resistance to stress corrosion cracking
5.12 Marking
5.13 Summary
Section 6. Bar for machining and extruded section for
highly stressed structures
6.1 General
6.2 Manufacture
6.3 Tensile test
6.4 Internal defects
6.5 Summary
Section 7. Forgings
7.1 General
7.2 Manufacture
7.3 Pre-production forgings
7.4 Production forgings
7.5 Procedure X for process control testing
7.6 Forgings subject to heat treatment after delivery
7.7 Batch acceptance tensile tests
7.8 External defects
7.9 Internal defects
7.10 Batch uniformity
7.11 Grain flow and grain size
7.12 Resistance to stress corrosion cracking
7.13 Fracture toughness
7.14 Special tests
7.15 Marking
7.16 Summary
Section 8. Sheet and strip not subject to solution
treatment
8.1 General
8.2 Dimensions and tolerances
8.3 Batch size
8.4 Tensile test
8.5 External defects
8.6 Marking
8.7 Summary
Section 9. Sheet and strip subject to solution treatment
9.1 General
9.2 Dimensions and tolerances
9.3 Batch sizes
9.4 Tensile test
9.5 Batch uniformity
9.6 External defects
9.7 Cladding thickness
9.8 Copper diffusion of 2024 and 2014 A alloys clad
      with commercially pure aluminium alloy 1050 A
9.9 Marking
9.10 Summary
Section 10. Seamless tube not subject to solution
treatment
10.1 General
10.2 Manufacture
10.3 Dimensions and tolerances
10.4 Batch size
10.5 Tensile test
10.6 Examination for defects
10.7 Surface finish of hydraulic tube
10.8 Hydraulic distension test
10.9 Drift test for hydraulic tube
10.10 Flattening test
10.11 Bore test
10.12 Marking
10.13 Summary
Section 11. Seamless tube subject to solution treatment
11.1 General
11.2 Manufacture
11.3 Batch uniformity
11.4 Drift test for hydraulic tube
11.5 Summary
Section 12. Wire for rivets
12.1 General
12.2 Dimensions and tolerances
12.3 Batch size
12.4 Tensile test
12.5 External defects
12.6 Grain size
12.7 Torsion test
12.8 Marking
12.9 Summary
Section 13. Hot rolled plate for forgings
13.1 General
13.2 Dimensions and tolerances
13.3 Tensile test
13.4 Electrical conductivity measurement
13.5 Internal defects
13.6 External defects
13.7 Marking
13.8 Summary
Section 14. Plate subject to solution treatment
14.1 General
14.2 Dimensions and tolerances
14.3 Batch sizes
14.4 Tensile test
14.5 Batch uniformity
14.6 Internal defects
14.7 External defects
14.8 Resistance to stress corrosion cracking
14.9 Fracture toughness
14.10 Marking
14.11 Summary
Annexes
A. (normative) Rules for application of values for
      chemical composition and mechanical properties
      given in material specifications
B. (normative) Location of tensile test pieces for
      bar and section
C. (normative) Tolerances for bar and extruded section
D. (informative) Application of dimensional tolerances
      for forgings given in annex E
E. (normative) Dimensional tolerances for forgings
F. (normative) Tolerances on sheet, strip and plate
G. (normative) Tolerances for drawn tube
H. (normative) Tolerances on wire diameter
Numerous tables
Numerous annex tables
Figure
1. Tube flattening test
Annex figures
B.1 Location of longitudinal tensile test pieces for
      round, square and regular polygonal bar
B.2 Location of longitudinal tensile test pieces for
      rectangular bar
B.3 Location of transverse tensile test pieces for
      round, square, regular polygonal and rectangular
      bar
B.4 Location of longitudinal test pieces for section
C.1 Illustration of principle of equivalent rectangles
      for determination of tolerances
D.1 Illustration of the application of fillet radius
      dimensions
D.2 Illustration of the application of male edge radius
      dimensions
List of references

Specifies the general requirements for aerospace use.