UNI EN 10217-6 : 2005

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification and designation
   5.1 Classification
   5.2 Designation
6 Information to be supplied by the purchaser
   6.1 Mandatory information
   6.2 Options
   6.3 Example of an order
7 Manufacturing process
   7.1 Steel making process
   7.2 Deoxidation process
   7.3 Tube manufacture and delivery conditions
8 Requirements
   8.1 General
   8.2 Chemical composition
   8.3 Mechanical properties
   8.4 Appearance and internal soundness
   8.5 Straightness
   8.6 Preparation of ends
   8.7 Dimensions, masses and tolerances
9 Inspection
   9.1 Types of inspection
   9.2 Inspection documents
   9.3 Summary of inspection and testing
10 Sampling
   10.1 Frequency of tests
   10.2 Preparation of samples and test pieces
11 Test methods
   11.1 Chemical analysis
   11.2 Tensile test
   11.3 Transverse tensile test on the weld
   11.4 Weld bend test
   11.5 Impact test
   11.6 Hydrostatic leak tightness test
   11.7 Dimensional inspection
   11.8 Visual examination
   11.9 Non-destructive testing
   11.10 Retests, sorting and reprocessing
12 Marking
   12.1 Marking to be applied
   12.2 Additional marking
13 Protection
Annex A (normative) Qualification of welding procedure
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directives
Bibliography

Defines the technical delivery conditions on two test categories of submerged arc welded tubes of circular cross section, with specified low temperature properties, made of non-alloy steel.