Foreword
Committees responsible
Specification
1. Scope
2. Designations
3. Information and requirements to be agreed and to
be documented
4. General requirements
5. Steelmaking process
6. Chemical composition
7. Mechanical properties
8. Dimensional tolerances
9. Freedom from defects
10. Intercrystalline corrosion test on austenitic
stainless steels
11. Selection of test samples and preparation of test
pieces for verification of mechanical properties
12. Tensile, impact and hardness testing
13. Retests
14. Marking
15. Manufacturer's certificate
Appendices
A. Comparisons between the designations for steel
grades in the 1958 edition of BS 1506 and their
nearest equivalents in this edition
B. Examples of commercial or contractual clauses
which the purchaser may wish to include in his order
or contract
C. Conditions of supply for bars and billets
Tables
1. Chemical composition, heat treatment and mechanical
properties at room temperature and Charpy impact
values at sub-zero temperatures for bars of carbon
low alloy and martensitic stainless steels
2. Chemical composition, heat treatment, mechanical
properties at room temperature and Charpy impact
values at sub-zero temperatures and sensitization
times for bars of austenitic stainless steels and
a precipitation hardenable stainless steel
3. Permitted variations of product analysis from the
specified cast analysis for carbon steels and
alloy (excluding stainless) steels
4. Permitted variations of product analysis from the
specified cast analysis for martensitic and
austenitic stainless steels and a precipitation
hardenable stainless steel
5. Mechanical properties at room temperature for
austenitic stainless steel bars in the solution
treated and cold-drawn condition (applicable to
steel types (303S22, 304S11, 304S31, 316S11,
316S13, 316S31, 316S33, 321S31 and 347S31)
6. Tolerances for hot rolled round and square bars
and peeled or rough turned rounds
7. Tolerances for hot rolled hexagonal bars (re-
rolled material)
8. Tolerances for cold drawn bars
9. Tolerances for turned bars and ground bars
10. Tolerances for precision ground round bars
11. Positions of tensile and impact test pieces to be
taken longitudinally from bars supplied in all
steels and material conditions except austenitic
stainless steels in the solution treated and cold
drawn condition.
12. Positions of tensile and impact test pieces to be
taken longitudinally from bars supplied in
austenitic stainless steels in the solution treated
and cold drawn condition
13. Comparison between the designations for steel
published in the 1958 edition of BS 1506 and those
in the current edition.
14. Conditions of supply for carbon steels, low alloy
steels and martensitic stainless steels
15. Conditions of supply for austenitic stainless
steels
16. Conditions of supply for a precipitation hardenable
stainless steel