NBN EN 10273 : 2008

Foreword
1 Scope
2 Normative references
3 Definitions
4 Dimensions and tolerances on dimensions
5 Calculation of mass
6 Classification and designation
      6.1 Classification
      6.2 Designation
7 Information to be supplied by the purchaser
      7.1 Mandatory information
      7.2 Options
8 Requirements
      8.1 Steelmaking process
      8.2 Delivery condition
      8.3 Chemical composition
      8.4 Mechanical properties
      8.5 Surface condition
      8.6 Internal soundness
      8.7 Weldability
9 Inspection
      9.1 General
      9.2 Types of inspection and inspection documents
      9.3 Tests to be carried out
      9.4 Re-tests
10 Sampling
      10.1 Frequency of testing
      10.2 Selection and preparation of samples and test
             pieces
11 Test methods
      11.1 Chemical analysis
      11.2 Tensile test at room temperature
      11.3 Tensile test at elevated temperature
      11.4 Impact test
      11.5 Other testing
12 Marking
Annex A (informative) Reference data of strength values for
                      1% (plastic) creep strain and creep
                      rupture
Annex B (informative) Guidance for heat treatment
Annex C (informative) Bibliography
Annex D (informative) National A-deviations
Annex ZA (informative) Clauses of this European Standard
                       addressing essential requirements or
                       other provisions of EU Directives

Defines technical delivery conditions for hot rolled weldable steel bars for the construction of pressure equipment for use at elevated temperatures.