BS 6572:1985

Foreword
Committees responsible
Specification
1 Scope
2 Definition
3 Dimensions and tolerances
4 Compound composition
5 Physical properties
6 Type test requirements
7 Marking
Appendices
A Method for the determination of ovality
B Method for the determination of induction temperature
C Conditioning
D Method for the preparation of test pieces for the
   determination of elongation at break
E Method for the analysis of results from the
   determination of the long term hydrostatic strength
   of pipe at 20 deg C
F Quality control testing
Tables
1 Pipe dimensions
2 Out-of-squareness tolerances for ends
3 Coil diameters
4 Dimensions of punched test piece
5 Failure point distribution
6 Percentage points of Student's t distribution (upper
   2 and 1/2 % points)
Figures
1 Types of failure
2 Example of DSC trace
3 Punched test piece

Specifies the requirements for small sizes of pipe in metric series diameters coloured blue for carrying potable water, especially underground or in ducts with other services. Suitable for water authority use in respect of proposed byelaw requirements for protecting water quality.