BS 6404-8.1:2001

FOREWORD
1 Scope
2 Normative references
3 Types of materials and their applications
4 Classification
   4.1 Principal magnetic properties
   4.2 Additional magnetic properties
5 Chemical composition
6 Densities
7 Designation
8 Mode of shipment and dimensions
9 Testing
   9.1 Extent of testing
   9.2 Testing methods
10 Grounds for rejection
11 Description of tables of standard properties
   11.1 Magnetically hard alloys
        11.1.1 Aluminium-nickel-cobalt-iron-titanium
               alloys (AlNiCo)
        11.1.2 Chromium-iron-cobalt alloys (CrFeCo)
        11.1.3 Iron-cobalt-vanadium-chromium alloys
               (FeCoVCr)
        11.1.4 Rare earth-cobalt alloys (RECo)
        11.1.5 Neodymium-iron-boron alloys (REFeB)
   11.2 Magnetically hard ceramics (magnetically hard
        ferrites)
        11.2.1 Chemical composition
        11.2.2 Manufacturing method
        11.2.3 Sub-classification
        11.2.4 Magnetic properties and densities
        11.2.5 Dimensional tolerances
   11.3 Bonded magnets
        11.3.1 Chemical composition
        11.3.2 Manufacturing
        11.3.3 Sub-classification
        11.3.4 Magnetic properties and densities
        11.3.5 Dimensional tolerances
12 Irreversible demagnetization behaviour
13 Tables 8 to 21
Annex A (informative) Physical data and mechanical
        reference values of AlNiCo, CrFeCo, FeCoVCr,
        SmCo, NdFeB and hard ferrite magnets

Gives minimum values for the principal magnetic properties of, and dimensional tolerances for technically important magnetically hard materials (permanent magnets).