Committees responsible
Foreword
Specification
1. Scope
2. Information to be supplied by the purchaser and
options to be documented
3. Designation
4. Manufacture of the steel
5. Manufacture of the product
6. Chemical analysis
7. Final supply condition
8. Mechanical properties
9. Visual inspection and appearance
10. Tolerances
11. Tests
12. Number, selection and preparation of samples and
test pieces
13. Test methods
14. Retests
15. Test certificate
16. Protective coating
17. Marking
Appendices
A. Designations of steel tubes in BS 3605: Part 1: 1991
and the nearest equivalent designations in ISO 2604:
Part II
B. Estimated average stress rupture values
C. Dimensional limits of tubes in relation to the method
of manufacture
D. Procedure for the verification of elevated
temperature values
E. Eddy current testing of tubes for verification of
leak tightness
F. Ultrasonic testing of tubes for the detection of
longitudinal imperfections
G. Minimum 0.2% proof stress values at elevated
temperatures
Tables
1. Method of manufacture of tubes and reference
2. Chemical composition, mechanical properties at
room temperature, and heat treatment
3. Permitted deviations of the product analysis from
the specified chemical composition
4. Minimum 1.0% proof stress Rp1.0 values at elevated
temperatures
5. Tests for test category 1 and test category 2
6. Designations of steel tubes in BS 3605: Part 1: 1991
and the nearest equivalent designations in BS 3605:
1973 and the nearest equivalent designations in
accordance with ISO 2604: Part II
7. Estimated average stress rupture values
8. Dimensional limits of tubes in relation to the
method of manufacture
9. Parameters for lower confidence lines: steel types
304S11, 304S31 and 304S51
10. Parameters for lower confidence lines: steel types
321S31, 321S51 (1010) and 321S51 (1105)
11. Parameters for lower confidence lines: steel types
316S11, 316S13, 316S31, 316S33, 316S51 and 316S52
12. Parameters for lower confidence lines: steel types
347S31 and 347S51
13. Parameters for lower confidence lines: steel type
215S15
14. Dimensions of references holes for method A
15. Notch dimensions for method B
16. Reference notch dimensions and tolerances
17. Minimum 0.2% proof stress values at elevated
temperatures
Figures
1. Example of lower confidence lines (for steel type
215S15)