BS 1639:1964

Co-operating organizations
Foreword
Methods
Section one: General
1 Scope
2 Purpose and value of the test
3 Symbols and definitions
4 Influence of geometrical proportions of test piece
5 Form and preparation of test piece
6 Methods of bending
7 Criterion of performance
8 Severity of test
9 Temperature of test
10 General
Section two: Single bend tests
11 Method 1. Mandrel and supports
12 Method 2. Vee block
13 Method 3. Blocks of soft material
14 Method 4. Bending round mandrel
15 Method 5. Free bend
16 Method 6. Pressure bend
17 Method 7. Free cone bend
Section three: Reverse bend test
18 Method 8. Reverse bend
Figures
1 Simplest method of bend test
2 Modification of method illustrated in Fig. 1 by the
    use of roller supports
3 Bending on a 'vee' block
4 Bending on a block of soft material
5 Bend test machine
6 Bending round a mandrel
7 Free bend test
8 Variants of pressure bend test
9 Cone bend test
10 Method of counting reverse bends
11 Reverse bend