Name: BS 3L 500:2011+A1:2017 PDF - PDF Standards Store
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This British Standard specifies procedures for inspection, testing and acceptance of wrought magnesium‑base alloys for aerospace purposes.

The standard is applicable to material specifications in the British Standard Aerospace L series and also to other British Standard material specifications for wrought magnesium‑base alloys which are suitable for aerospace use.

PDF Catalog

PDF Pages	PDF Title
6	Foreword
9	Section 1: General requirements 1 Scope 2 Normative references 3 Definitions
11	4 General
12	5 Information and requirements to be agreed and to be documented
14	6 Manufacture and freedom from defects 7 Heat treatment 8 Chemical composition
15	9 Testing
16	10 Marking 11 Protection and packaging 12 Certification
18	Section 2: Cast billets and slabs for hot working 13 General 14 Condition 15 Dimensions and tolerances 16 Internal and external defects 17 Retesting procedure 18 Marking
20	Section 3: Extruded bar and section for forging 19 General 20 Condition 21 Dimensions and tolerances 22 Selection and preparation of mechanical test samples Table 1 — Batch sizes for extruded bar and section for forging
21	23 Tensile testing 24 Etch inspection 25 Fracture test
22	26 Internal defects 27 External defects 28 Retesting procedures for etch inspection, fracture test and external defects 29 Marking
23	Section 4: Bars for machining and extruded sections 30 General 31 Condition 32 Dimensional tolerances
24	Table 2 — Tolerances for bars for machining and extruded sections 33 Selection and preparation of mechanical test samples Table 3 — Batch sizes for bars for machining and extruded sections
25	34 Tensile testing 35 Etch inspection 36 Internal defects 37 Retesting procedures for etch inspection, fracture test and external defects 38 Marking
27	Section 5: Forgings 39 General 40 Manufacture 41 Pre‑production forgings
28	42 Production forgings 43 Procedure X for process control testing
29	Table 4 — Maximum number of forgings to be manufactured between the collection of test samples 45 Batch acceptance tensile tests
31	Table 5 — Tensile property requirements for forgings 46 External defects 47 Internal defects 48 Grain flow and grain size
32	49 Special tests 50 Marking
33	Section 6: Sheet and strip 51 General 52 Condition 53 Dimensional tolerances Table 6 — Tolerances for sheet and strip 54 Selection and preparation of mechanical test samples
34	55 Tensile testing 56 Marking
35	Section 7: Plate 57 General 58 Condition 59 Dimensional tolerances Table 7 — Tolerances for plate 60 Selection and preparation of mechanical test samples
36	Table 8 — Direction of tensile test samples and position of tensile test pieces 61 Tensile testing 62 Internal defects 63 Marking
37	Section 8: Tube 64 General 65 Manufacture 66 Condition 67 Dimensional tolerances Table 9 — Tolerances for tube 68 Selection and preparation of mechanical test samples Table 10 — Batch sizes for tubes
38	69 Tensile testing 70 Marking
39	Annex A (normative) Rules for application of values for chemical composition and mechanical properties given in material specifications Annex B (normative) Protection against corrosion
42	Table B.1 — Standard routes for protection against corrosion
43	Annex C (normative) Tolerances for bars and extruded sections
45	Table C.1 — Tolerances on straightness of bars and regular sections Table C.2 — Tolerances on twist of extruded sections Table C.3 — Tolerances on angles of regular sections Table C.4 — Tolerances on lengths of bars and extruded sections
46	Table C.5 — Tolerances on thickness of bars and regular sections Table C.6 — Tolerances on thickness of hollow sections
47	Table C.7 — Tolerances on diameters, overall widths and widths across flats of bars, regular sections and hollow sections
48	Table C.8 — Tolerances on open ends of channels and I beams
50	Table C.9 — Normal radii for corners on square and rectangular sections (informative) Table C.10 — Normal radii for corners on rectangular sections: angle, channel, I and T sections (informative) Annex D (normative) Tolerances for sheet, strip and plate
51	Table D.1 — Tolerances on thickness of sheet and strip
52	Table D.2 — Tolerances on thickness of plate Table D.3 — Cutting tolerances for sheet and plate
53	Table D.4 — Shearing tolerances for strip Table D.5 — Tolerances on flatness of plate Annex E (normative) Tolerances for tube Table E.1 — Tolerances on straightness of tube
54	Table E.2 — Tolerances on lengths of tube Table E.3 — Tolerances on outside and inside diameters of extruded round tube
55	Table E.4 — Tolerances on wall thickness of extruded round tube

Status	Confirmed
Pages	56
Publication Date	2017-09-28
ISBN	978 0 580 97048 1
Standard Number	BS 3L 500:2011+A1:2017
Title	Procedure for inspection, testing and acceptance of wrought magnesium base alloys
Replaces	BS 2L 500:1973
Descriptors	Strips, Protective coatings, Anodizing, Test specimens, Bars (materials), Thickness, Mechanical testing, Tensile testing, Marking, Sheet materials, Testing, Width, Metal sections, Length, Quality assurance, Angular tolerances, Acceptance (approval), Diameter, Forgings, Inspection, Corrosion protection, Slabs, Dimensional tolerances, Sampling methods, Billets, Pipes, Magnesium alloys
Publisher	BSI
Committee	ACE/61
Amends	BS 3L 500:2011
ICS Codes	49.025.99 - Other materials