NEN EN ISO 11960 : 2014

Foreword
Introduction
1 Scope
2 Conformance
   2.1 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 by the purchaser
   5.1 Casing
   5.2 Tubing
   5.3 Coupling stock and accessories
6 Process of manufacture
   6.1 General
   6.2 Heat treatment
   6.3 Straightening
   6.4 Traceability
   6.5 Processes requiring validation
7 Material requirements
   7.1 Chemical composition
   7.2 Tensile properties
   7.3 Charpy V-notch test properties - General
         requirements
   7.4 Charpy V-notch (CVN) - Absorbed energy requirements
         for coupling stock, coupling blanks and couplings
   7.5 Charpy V-notch - Absorbed energy requirements for
         pipe
   7.6 Charpy V-notch test - Absorbed energy requirements
         for casing and tubing accessories
   7.7 Maximum hardness
   7.8 Hardness variation - Grades C90, T95 and Q125
   7.9 Process control - Grades C90, T95 and Q125
   7.10 Hardenability - Minimum percentage martensite for
         quenched and tempered products
   7.11 Grain size - Grades C90 and T95
   7.12 Surface condition - Grades L80 9Cr and L80 13Cr
   7.13 Flattening - Electric-welded pipe
   7.14 Sulfide stress corrosion cracking (SSCC) test
         - Grades C90 and T95
8 Dimensions, masses, tolerances, pipe ends and defects
   8.1 Labels and sizes
   8.2 Dimensions and masses
   8.3 Diameter
   8.4 Wall thickness
   8.5 Mass
   8.6 Length
   8.7 Casing jointers
   8.8 Height and trim of electric-weld flash
   8.9 Straightness
   8.10 Drift requirements
   8.11 Tolerances on dimensions and masses
   8.12 Pipe ends
   8.13 Defects
   8.14 Coupling make-up and thread protection
9 Couplings
   9.1 General requirements
   9.2 Alternative grades or heat treatments
   9.3 Process of manufacture - Groups 1, 2 and 3
   9.4 Process of manufacture - Grade Q125
   9.5 Mechanical properties
   9.6 Dimensions and tolerances
   9.7 Regular couplings
   9.8 Special-clearance couplings - Groups 1, 2 and 3
   9.9 Combination couplings
   9.10 Reducing couplings - Groups 1, 2 and 3
   9.11 Seal-ring couplings
   9.12 Special bevel couplings - Groups 1, 2 and 3
   9.13 Threading
   9.14 Surface inspection
   9.15 Measurement of imperfections
   9.16 Repair and removal of imperfections and defects
   9.17 Thread surface treatment - Grade Q125
   9.18 Couplings and coupling blank protection - Grades
         C90, T95 and Q125
10 Inspection and testing
   10.1 Test equipment
   10.2 Lot definition for testing of mechanical properties
   10.3 Testing of chemical composition
   10.4 Tensile tests
   10.5 Flattening test
   10.6 Hardness test
   10.7 Impact test
   10.8 Grain size determination - Grades C90 and T95
   10.9 Hardenability - Grades C90 and T95
   10.10 Sulfide stress cracking test - Grades C90 and T95
   10.11 Metallographic evaluation - EW Grades P110 and
         Q125
   10.12 Hydrostatic test
   10.13 Dimensional testing
   10.14 Visual inspection
   10.15 Non-destructive examination (NDE)
11 Marking
   11.1 General
   11.2 Stamp marking requirements
   11.3 Stencil marking requirements
   11.4 Colour identification
   11.5 Thread and end-finish marking - All groups
   11.6 Pipe-threader marking requirements - All groups
12 Coating and protection
   12.1 Coatings - All groups
   12.2 Thread protectors
13 Documents
   13.1 Electronic media - All groups
   13.2 Certification - Groups 1, 2 and 3
   13.3 Certification requirements - Grade Q125
   13.4 Retention of records
14 Minimum facility requirements for various categories
   of manufacturer
   14.1 Pipe mill
   14.2 Processor
   14.3 Threader
   14.4 Coupling, pup-joint, and accessory manufacturer
Annex A (normative) Supplementary requirements
Annex B (normative) Purchaser inspection
Annex C (normative) Tables in SI units
Annex D (normative) Figures in SI (USC) units
Annex E (normative) Tables in USC units
Annex F (informative) Marking instructions for API
                      licensees
Annex G (informative) Procedures used to convert from USC
                      units to SI units
Annex H (normative) Product Specifications levels
Annex I (normative) Requirements for thread protector design
                      validation
Annex J (informative) Summary of Product Specification level
                      (PSL) requirements
Bibliography

Defines the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3).