UNI EN ISO 11961 : 2009

Foreword
Introduction
1 Scope
2 Conformance
  2.1 Dual citing of normative references
  2.2 Units of measurement
3 Normative references
4 Terms, definitions, symbols and abbreviated terms
  4.1 Terms and definitions
  4.2 Symbols and abbreviated terms
5 Information to be supplied when placing orders
  for drill-pipe
6 Requirements for drill-pipe
  6.1 General
  6.2 Dimensions, masses and connections
  6.3 Material requirements
  6.4 Process of manufacture for drill-pipe
  6.5 Traceability
  6.6 Inspection and testing - General
  6.7 Testing of welds
  6.8 Tensile test
  6.9 Hardness test
  6.10 Charpy V-notch impact test
  6.11 Transverse side-bend test
  6.12 Imperfections and defects in drill-pipe
  6.13 Visual inspection of the drill-pipe weld zone
  6.14 Non-destructive examination of the weld zone
  6.15 Marking of drill-pipe
  6.16 Minimum facility requirements for drill-pipe
       manufacturers
  6.17 Documentation requirements of drill-pipe
7 Requirements for drill-pipe body
  7.1 Information to be supplied when placing orders
       for drill-pipe bodies
  7.2 Dimensional and mass requirements
  7.3 Material requirements
  7.4 Process of manufacture
  7.5 Traceability
  7.6 Inspection and testing - General
  7.7 Testing of chemical composition
  7.8 Tensile tests
  7.9 Charpy V-notch impact tests
  7.10 Drill-pipe-body wall thickness
  7.11 Drill-pipe-body length
  7.12 Internal upset
  7.13 Internal profile
  7.14 Straightness
  7.15 Upset alignment
  7.16 Mass determination
  7.17 Imperfections and defects of drill-pipe body
  7.18 Visual inspection of drill-pipe body
  7.19 Non-destructive examination
  7.20 Marking
  7.21 Minimum facility requirements for drill-pipe-body
       manufacturer
  7.22 Documentation requirements
8 Requirements for tool joints
  8.1 Information to be supplied when placing orders
       for tool joints
  8.2 Dimensional requirements
  8.3 Material requirements
  8.4 Process of manufacture
  8.5 Traceability
  8.6 Inspection and testing - General
  8.7 Testing of chemical composition
  8.8 Tensile tests
  8.9 Hardness tests
  8.10 Charpy V-notch impact tests
  8.11 Imperfections and defects
  8.12 Non-destructive examination
  8.13 Marking
  8.14 Minimum facility requirements for tool-joint
       manufacturers
  8.15 Documentation requirements for tool joints
Annex A (normative) - Tables in SI units
Annex B (normative) - Figures in SI (USC) units
Annex C (normative) - Tables in USC units
Annex D (normative) - Purchaser inspection
Annex E (informative) - Supplementary requirements
Annex F (informative) - Procedures used to convert
        from USC units to SI units for drill-pipe
Annex G (normative) - Product specification levels
Annex H (informative) - API monogram
Bibliography

Describes the technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld-on tool joints for use in drilling and production operations in petroleum and natural gas industries for three product specification levels (PSL-1, PSL-2 and PSL-3).