BS 1977:1976

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Information to be supplied by the purchaser
4 Freedom from defects
5 Manufacture
6 Chemical composition
7 Condition and mechanical properties
8 Dimensions and tolerances
9 Selection of test samples
10 Mechanical tests
11 Electrical resistivity test
12 Gassing or hydrogen embrittlement test
13 Retests
14 Supplier's certificate
15 Inspection
16 Facilities for testing
17 Rounding of numbers rule
Tables
1 Mechanical properties
2 Preferred sizes of round tubes
3 Tolerances on outside diameter
4 Tolerances on length of round tubes
5 Volume resistivity values
6 Factors for correcting resistance, as-drawn high
    conductivity copper, 97 % IACS
7 Factors for correcting resistance, annealed high
    conductivity copper, 100 % IACS
8 Rounding rule
Figures
1 Flattening test piece
2 Double-bend test piece
3 Gassing or hydrogen embrittlement test piece

Requirements for round, square and rectangular solid drawn copper tubes of high conductivity for electrical purposes.