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BS EN 60404-8-6:2017 Magnetic materials - Specifications for individual materials. Soft magnetic metallic materials, 2017
- National foreword
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviations [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviations for test specimens
- 4 Classification [Go to Page]
- 4.1 General
- 4.2 Alloy class A (irons)
- 4.3 Alloy class C (silicon steels)
- 4.4 Alloy class E (nickel-iron alloys)
- 4.5 Alloy class F (cobalt-iron alloys)
- 5 Designation
- 6 General requirements [Go to Page]
- 6.1 Chemical composition and production process
- 6.2 Delivery condition [Go to Page]
- 6.2.1 General
- 6.2.2 Form of supply
- 6.2.3 Surface condition
- 7 Technical requirements [Go to Page]
- 7.1 Magnetic properties
- 7.2 Geometric characteristics and tolerances [Go to Page]
- 7.2.1 Flat products: sheet, plate and strip
- 7.2.2 Cold-worked bar, rod and wire
- 7.2.3 Hot-finished bar
- 8 Inspection and testing [Go to Page]
- 8.1 General
- 8.2 Selection of samples [Go to Page]
- 8.2.1 General
- 8.2.2 Flat products
- 8.2.3 Long products
- 8.2.4 Wire
- 8.3 Magnetic properties [Go to Page]
- 8.3.1 Magnetic testing, DC measurements
- 8.3.2 Magnetic testing, AC measurements
- 8.3.3 Test specimens
- 8.4 Geometric characteristics and tolerances [Go to Page]
- 8.4.1 Thickness of flat products
- 8.4.2 Width of flat products
- 8.4.3 Flatness
- 8.4.4 Edge camber
- 8.4.5 Dimensions of long products
- 8.4.6 Straightness of long products
- 8.5 Retests
- 9 Complaints
- 10 Ordering information
- 11 Certification
- Tables [Go to Page]
- Table 1 – Chemical composition of the alloy classes in accordance with IEC 60404-1
- Table 2 – Minimum amplitude permeability requirements for sheet and strip –AC measurement (50 Hz or 60 Hz), sine flux conditions, thickness 0,05 mm to 0,38 mm
- Table 3 – DC magnetic property requirements for bar, billet, rod, sheet, strip and wire, thickness or diameter greater than 0,05 mma – S.R., L.R. or E.S. specimen
- Table 4 – Maximum permeability rise factor for sheet and strip – L.R. test specimen, AC measurement (50 Hz or 60 Hz)
- Table 5 – Dimensional requirements for toroidal strip-wound cores
- Table 6 – Tolerances on thickness of cold-rolled sheet and strip
- Table 7 – Tolerances on width of sheet and strip
- Table 8 – Tolerances on dimensions of cold-worked bar, rod and wire
- Bibliography [Go to Page]