ISO 11960:2014
Petroleum and natural gas industries — Steel pipes for use as casing or tubing for wells
ISO 11960:2014 specifies 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). The requirements for PSL-1 are the basis of ISO 11960:2014. The requirements that define different levels of standard technical requirements for PSL-2 and PSL-3, for all Grades except H-40, L-80 9Cr and C110, are contained in Annex H.
By agreement between the purchaser and manufacturer, ISO 11960:2014 can also be applied to other plain-end pipe sizes and wall thicknesses.
ISO 11960:2014 is applicable to the following connections in accordance with API Spec 5B:
short round thread casing (SC);
long round thread casing (LC);
buttress thread casing (BC);
non-upset tubing (NU);
external upset tubing (EU);
integral tubing (IJ).
ISO 11960:2014 can also be applied to tubulars with connections not covered by ISO/API standards.
The four groups of products to which ISO 11960:2014 is applicable include the following grades of pipe:
Group 1: All casing and tubing in Grades H, J, K, N and R;
Group 2: All casing and tubing in Grades C, L, M and T;
Group 3: All casing and tubing in Grade P;
Group 4: All casing in Grade Q.
Casing sizes larger than Label 1: 4-1/2 but smaller than Label 1: 10-3/4 can be specified by the purchaser to be used in tubing service.
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1 Scope
2 Conformance
2.1 Dual referencing 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 by the purchaser
5.1 Grades C90, T95 and C110
5.2 Casing
5.3 Tubing
5.4 Coupling stock, coupling material and accessory material
6 Process of manufacture
6.1 General
6.2 Heat treatment
6.2.1 General
6.2.2 Group 1 (except H40)
6.2.3 Group 2
6.3 Straightening
6.3.1 Groups 1 (except Grade R95) and 3
6.3.2 Grade R95
6.3.3 Grades M65 and L80
6.3.4 Grades C90 and T95
6.3.5 Grade C110
6.3.6 Grade Q125
6.4 Traceability
6.4.1 General
6.4.2 Serialization of Grades C90, T95, C110 and Q125
6.5 Processes requiring validation
7 Material requirements
7.1 Chemical composition
7.2 Tensile properties
7.2.1 General
7.2.2 Elongation — All groups
7.2.3 Yield strength
7.2.4 Statistical tensile testing – Grades C90, T95 and C110
7.3 Charpy V-notch test — General requirements
7.3.1 Evaluation of test results
7.3.2 Critical thickness
7.3.3 Specimen size and orientation
7.3.4 Hierarchy of test specimens
7.3.5 Alternative size impact test specimens
7.3.6 Sub-size test specimens
7.3.7 Test temperature
7.3.8 Statistical impact testing
7.3.9 Reference information
7.4 Charpy V-notch — Absorbed energy requirements for coupling stock, coupling material, coupling blanks and couplings
7.4.1 General
7.4.2 Grade H40
7.4.3 Grades J55 and K55 for API threads
7.4.4 Grade M65 for API threads
7.4.5 Grades N80 Type 1, N80Q and R95, Groups 2 (except Grades M65 and C110), 3 and 4 for API threads
7.4.6 Special end-finish
7.5 Charpy V-notch — Absorbed energy requirements for pipe
7.5.1 Grades H40, J55, K55 and N80 Type 1
7.5.2 Grade M65
7.5.3 Grades N80Q, R95, L80, C90, T95 and P110
7.5.4 Grades C110 and Q125
7.5.5 Test specimen
7.5.6 Testing conditions
7.6 Charpy V-notch — Absorbed energy requirements for accessory material
7.6.1 Accessory material — General
7.6.2 Accessory material for accessories with internal API threads except integral tubing connections
7.6.3 Accessory material for accessories with internal special end-finish tapered interference-type threads
7.6.4 Accessory material for accessories with external threads
7.6.5 Accessory material for accessories with either integral tubing connections or internal special end-finish connections that do not have thread interference
7.6.6 Critical thickness for accessory material and special end-finish material
7.7 Maximum hardness
7.7.1 Group 2 — All product
7.7.2 Grade Q125 — All products
7.8 Hardness variation — Grades C90, T95, C110 and Q125
7.9 Process control — Grades C90, T95, C110 and Q125
7.10 Hardenability — Minimum percentage martensite for quenched and tempered products
7.10.1 Grades C90 and T95
7.10.2 Grade C110
7.10.3 All grades except Grades C90, T95 and C110
7.11 Grain size — Grades C90, T95 and C110
7.12 Surface condition — Grades L80 9Cr and L80 13Cr
7.13 Flattening — Electric-welded pipe
7.14 Sulfide stress cracking test — Grades C90, T95 and C110
7.14.1 General guidance
7.14.2 Test and re-test requirements
7.14.3 Test sample selection and location
7.14.4 Test solution
7.14.5 Minimum SSC requirements
7.14.6 Invalidation of tests
7.14.7 Additional testing provisions for ANSI-NACE TM0177-2005 Method D
8 Dimensions, masses, tolerances, product ends and defects
8.1 Labels and sizes
8.2 Dimensions and masses
8.3 Diameter
8.3.1 Measurement and design
8.3.2 Requirements
8.4 Wall thickness
8.5 Mass
8.6 Length
8.7 Casing jointers
8.8 Height and trim of electric-weld flash
8.8.1 Trimming electric-weld flash
8.8.2 Groups 1 and 2
8.8.3 Groups 3 and 4
8.8.4 Disposition
8.9 Straightness
8.9.1 Pipe
8.9.2 Coupling stock, coupling material and accessory material
8.10 Drift requirements
8.11 Tolerances on dimensions and masses
8.11.1 Outside diameter
8.11.2 Wall thickness
8.11.3 Mass
8.11.4 Inside diameter
8.11.5 Upset dimensions
8.11.6 Extended length upsets
8.12 Product ends
8.12.1 Plain-end pipe
8.12.2 Product with API threads
8.12.3 Rounded nose
8.12.4 Threading
8.12.5 Workmanship of ends
8.13 Defects
8.13.1 Pipe and accessory made from pipe
8.13.2 Accessory material not made from pipe, coupling stock and coupling material
8.13.3 Process control plan
8.14 Coupling make-up and thread protection
8.14.1 Groups 1, 2 and 3
8.14.2 Group 4
9 Couplings
9.1 General requirements
9.2 Alternative grades or heat treatments
9.3 Mechanical properties
9.4 Dimensions and tolerances
9.4.1 Groups 1, 2 and 3
9.4.2 Group 4
9.5 Regular couplings
9.6 Special-clearance couplings — Groups 1, 2 and 3
9.7 Combination couplings
9.8 Reducing couplings — Groups 1, 2 and 3
9.9 Seal-ring couplings
9.10 Special-bevel tubing regular couplings — Groups 1, 2 and 3
9.11 Threading
9.11.1 General requirements
9.11.2 Couplings
9.12 Surface inspection
9.13 Measurement of imperfections
9.14 Repair and removal of imperfections and defects
9.15 Thread surface treatment — Grade Q125
9.16 Couplings and coupling blank protection — Grades C90, T95, C110 and Q125
10 Inspection and testing
10.1 Test equipment
10.2 Lot definition for testing of mechanical properties
10.2.1 Groups 1 , 2 (Grades M65 and L80 Type 1 only) and 3 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
10.2.2 Grades L80 9Cr, L80 13Cr, C90, T95, C110 and Q125 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
10.2.3 Coupling blanks, pup joints or accessory material heat-treated after cutting to blank or individual length
10.3 Testing of chemical composition
10.3.1 Heat analyses
10.3.2 Product analyses
10.3.3 Test method
10.3.4 Re-check of product analyses — All groups
10.4 Tensile tests
10.4.1 Stress-relief temperature — All grades
10.4.2 Heat-control tensile tests — Groups 1, 2 and 3
10.4.3 Frequency of testing and location of test specimen — Casing and tubing
10.4.4 Frequency of testing and test specimen location — Coupling stock, coupling material, coupling blanks, pup joints and accessory material
10.4.5 Test specimens — General
10.4.6 Test specimens — Additional requirements for coupling blanks, coupling stock coupling material and pup joint and accessory materials — Grades C110 and Q125
10.4.7 Test method
10.4.8 Invalidation of tests
10.4.9 Re-tests — All products (except coupling blanks, coupling stock, coupling material, pup joints or accessory material) — Grades C90, T95, C110 and Q125)
10.4.10 Re-tests — Coupling blanks, coupling stock, coupling material, pup joints or accessory material in Grades C90, T95, C110 and Q125
10.5 Flattening test
10.5.1 General requirement for testing
10.5.2 Frequency of testing
10.5.3 Test specimens
10.5.4 Test method for Groups 1 and 2
10.5.5 Test method for Grade P110 pipe and Grade Q125 casing
10.5.6 Invalidation of tests
10.5.7 Re-tests
10.6 Hardness test
10.6.1 PSL requirements
10.6.2 Frequency of testing — General
10.6.3 Frequency of testing — Heat-control tests — Grades M65 and L80
10.6.4 Frequency of testing — Grades M65 and L80
10.6.5 Frequency of testing and test specimen location — Non-upset pipe — Grades C90, T95 and C110
10.6.6 Frequency of testing and test specimen location — Upset pipe — Grades C90 and T95
10.6.7 Frequency of testing and test specimen location — Coupling blanks, coupling stock, coupling material, pup joints and accessory material — Grades C90, T95 and C110
10.6.8 Frequency of testing — Grade Q125
10.6.9 Test specimens
10.6.10 Test method
10.6.11 Invalidation of tests
10.6.12 Periodic checks of hardness-testing machines
10.6.13 Verification of hardness-testing machines and indenters
10.6.14 Re-tests — Grades M65 and L80
10.6.15 Re-tests — Grades C90, T95 and C110 products except for coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
10.6.16 Re-tests — Grades C90, T95 and C110 coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
10.6.17 Re-tests — Grade Q125 — General
10.6.18 Re-tests — Grade Q125 — Casing, coupling stock and coupling material
10.6.19 Re-tests — Grade Q125 — Coupling blanks, pup joints and accessory material
10.6.20 Rejected lots — Groups 2 and 4
10.7 Impact test
10.7.1 Sampling —Grades J55, K55 and N80 Type 1
10.7.2 Sampling — Grade M65
10.7.3 Sampling — Grades N80Q, R95, L80, C90, T95, C110 and P110
10.7.4 Sampling and test specimen location — Grade Q125
10.7.5 Test specimens
10.7.6 Test method
10.7.7 Invalidation of tests
10.7.8 Re-test of a length — All groups
10.7.9 Replacement of a reject length — All groups
10.7.10 Multiple length rejection — Grade Q125
10.8 Grain size determination — Grades C90, T95 and C110
10.8.1 Sampling
10.8.2 Test method
10.9 Hardenability — Grades C90, T95 and C110
10.10 Sulfide stress-cracking test — Grades C90, T95 and C110
10.11 Metallographic evaluation — EW Grades P110 and Q125
10.12 Hydrostatic tests
10.12.1 Hydrostatic test procedures
10.12.2 Hydrostatic test requirements
10.12.3 Test pressure calculation
10.13 Dimensional testing
10.13.1 General
10.13.2 Diameter measurement
10.13.3 Diameter re-tests
10.13.4 Wall thickness measurement
10.13.5 Drift test
10.13.6 Length measurement
10.13.7 Mass (weight) determination
10.13.8 Straightness evaluation
10.13.9 Internal upset inspection
10.14 Visual inspection
10.14.1 General
10.14.2 Pipe body, coupling stock and coupling material (excluding pipe ends)
10.14.3 Pipe ends
10.14.4 Disposition
10.15 Non-destructive examination (NDE)
10.15.1 General
10.15.2 NDE personnel
10.15.3 Reference standards
10.15.4 NDE system capability records
10.15.5 Pipe body or coupling stock inspection — General
10.15.6 Full-body, full-length NDE of casing and tubing — Grades N80Q, M65, L80 and R95
10.15.7 Full-body, full-length NDE of casing and tubing — Grade P110 to A.10 SR16
10.15.8 Full-body, full-length NDE of casing and tubing — Grade P110 and Grade P110 to A.10 SR16 and A.3 SR2
10.15.9 Full-body, full-length NDE of casing and tubing — Grades C90, T95, C110 and Q125
10.15.10 NDE of the weld seam of welded pipe
10.15.11 NDE of coupling stock (except Grade C110) and pup joints
10.15.12 NDE of coupling stock and accessory material – Grade C110
10.15.13 Un-tested pipe ends, coupling stock ends and accessory material ends
10.15.14 Pipe upsets
10.15.15 Pipe, coupling stock and accessory material requiring further evaluation
10.15.16 Evaluation of indications (prove-up)
10.15.17 Disposition of pipe containing defects
10.15.18 Disposition of coupling stock and accessory material containing defects
11 Marking
11.1 General
11.2 Stamp marking requirements
11.2.1 Methods
11.2.2 Size
11.2.3 Location
11.2.4 Group 1 (except Grade R95) and Group 3
11.2.5 Grade R95 and Groups 2 and 4
11.2.6 Make-up triangle marking
11.3 Stencil marking requirements
11.4 Colour identification
11.4.1 Colour coding
11.4.2 Product 1,8 m (6 ft) and longer
11.4.3 Loose couplings
11.4.4 Special-clearance couplings
11.4.5 Pup joints shorter than 1,8 m (6 ft) in length
11.4.6 Grade colour-codes
11.5 Thread and end-finish marking — All groups
11.5.1 API thread marking
11.5.2 Plain-end and special end-finish markings
11.6 Pipe-threader marking requirements — All groups
12 Coating and protection
12.1 Coatings — All groups
12.1.1 Coatings for protection during transit
12.1.2 Coatings for long-term storage
12.2 Thread protectors
12.2.1 General
12.2.2 Grade L80 Types 9Cr and 13Cr
12.2.3 Driftable thread protectors
13 Documents
13.1 Electronic media — All groups
13.2 Certification — Groups 1, 2 (except Grade C110) and 3
13.3 Certification requirements — Grades C110 and Q125
13.4 Retention of records
14 Minimum facility requirements for various categories of manufacturer
14.1 Pipe mill
14.2 Processor
14.3 Pipe threader
14.4 Coupling, pup-joint or accessory manufacturer
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1 Scope
2 Conformance
2.1 Dual referencing 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 by the purchaser
5.1 Grades C90, T95 and C110
5.2 Casing
5.3 Tubing
5.4 Coupling stock, coupling material and accessory material
6 Process of manufacture
6.1 General
6.2 Heat treatment
6.2.1 General
6.2.2 Group 1 (except H40)
6.2.3 Group 2
6.3 Straightening
6.3.1 Groups 1 (except Grade R95) and 3
6.3.2 Grade R95
6.3.3 Grades M65 and L80
6.3.4 Grades C90 and T95
6.3.5 Grade C110
6.3.6 Grade Q125
6.4 Traceability
6.4.1 General
6.4.2 Serialization of Grades C90, T95, C110 and Q125
6.5 Processes requiring validation
7 Material requirements
7.1 Chemical composition
7.2 Tensile properties
7.2.1 General
7.2.2 Elongation — All groups
7.2.3 Yield strength
7.2.4 Statistical tensile testing – Grades C90, T95 and C110
7.3 Charpy V-notch test — General requirements
7.3.1 Evaluation of test results
7.3.2 Critical thickness
7.3.3 Specimen size and orientation
7.3.4 Hierarchy of test specimens
7.3.5 Alternative size impact test specimens
7.3.6 Sub-size test specimens
7.3.7 Test temperature
7.3.8 Statistical impact testing
7.3.9 Reference information
7.4 Charpy V-notch — Absorbed energy requirements for coupling stock, coupling material, coupling blanks and couplings
7.4.1 General
7.4.2 Grade H40
7.4.3 Grades J55 and K55 for API threads
7.4.4 Grade M65 for API threads
7.4.5 Grades N80 Type 1, N80Q and R95, Groups 2 (except Grades M65 and C110), 3 and 4 for API threads
7.4.6 Special end-finish
7.5 Charpy V-notch — Absorbed energy requirements for pipe
7.5.1 Grades H40, J55, K55 and N80 Type 1
7.5.2 Grade M65
7.5.3 Grades N80Q, R95, L80, C90, T95 and P110
7.5.4 Grades C110 and Q125
7.5.5 Test specimen
7.5.6 Testing conditions
7.6 Charpy V-notch — Absorbed energy requirements for accessory material
7.6.1 Accessory material — General
7.6.2 Accessory material for accessories with internal API threads except integral tubing connections
7.6.3 Accessory material for accessories with internal special end-finish tapered interference-type threads
7.6.4 Accessory material for accessories with external threads
7.6.5 Accessory material for accessories with either integral tubing connections or internal special end-finish connections that do not have thread interference
7.6.6 Critical thickness for accessory material and special end-finish material
7.7 Maximum hardness
7.7.1 Group 2 — All product
7.7.2 Grade Q125 — All products
7.8 Hardness variation — Grades C90, T95, C110 and Q125
7.9 Process control — Grades C90, T95, C110 and Q125
7.10 Hardenability — Minimum percentage martensite for quenched and tempered products
7.10.1 Grades C90 and T95
7.10.2 Grade C110
7.10.3 All grades except Grades C90, T95 and C110
7.11 Grain size — Grades C90, T95 and C110
7.12 Surface condition — Grades L80 9Cr and L80 13Cr
7.13 Flattening — Electric-welded pipe
7.14 Sulfide stress cracking test — Grades C90, T95 and C110
7.14.1 General guidance
7.14.2 Test and re-test requirements
7.14.3 Test sample selection and location
7.14.4 Test solution
7.14.5 Minimum SSC requirements
7.14.6 Invalidation of tests
7.14.7 Additional testing provisions for ANSI-NACE TM0177-2005 Method D
8 Dimensions, masses, tolerances, product ends and defects
8.1 Labels and sizes
8.2 Dimensions and masses
8.3 Diameter
8.3.1 Measurement and design
8.3.2 Requirements
8.4 Wall thickness
8.5 Mass
8.6 Length
8.7 Casing jointers
8.8 Height and trim of electric-weld flash
8.8.1 Trimming electric-weld flash
8.8.2 Groups 1 and 2
8.8.3 Groups 3 and 4
8.8.4 Disposition
8.9 Straightness
8.9.1 Pipe
8.9.2 Coupling stock, coupling material and accessory material
8.10 Drift requirements
8.11 Tolerances on dimensions and masses
8.11.1 Outside diameter
8.11.2 Wall thickness
8.11.3 Mass
8.11.4 Inside diameter
8.11.5 Upset dimensions
8.11.6 Extended length upsets
8.12 Product ends
8.12.1 Plain-end pipe
8.12.2 Product with API threads
8.12.3 Rounded nose
8.12.4 Threading
8.12.5 Workmanship of ends
8.13 Defects
8.13.1 Pipe and accessory made from pipe
8.13.2 Accessory material not made from pipe, coupling stock and coupling material
8.13.3 Process control plan
8.14 Coupling make-up and thread protection
8.14.1 Groups 1, 2 and 3
8.14.2 Group 4
9 Couplings
9.1 General requirements
9.2 Alternative grades or heat treatments
9.3 Mechanical properties
9.4 Dimensions and tolerances
9.4.1 Groups 1, 2 and 3
9.4.2 Group 4
9.5 Regular couplings
9.6 Special-clearance couplings — Groups 1, 2 and 3
9.7 Combination couplings
9.8 Reducing couplings — Groups 1, 2 and 3
9.9 Seal-ring couplings
9.10 Special-bevel tubing regular couplings — Groups 1, 2 and 3
9.11 Threading
9.11.1 General requirements
9.11.2 Couplings
9.12 Surface inspection
9.13 Measurement of imperfections
9.14 Repair and removal of imperfections and defects
9.15 Thread surface treatment — Grade Q125
9.16 Couplings and coupling blank protection — Grades C90, T95, C110 and Q125
10 Inspection and testing
10.1 Test equipment
10.2 Lot definition for testing of mechanical properties
10.2.1 Groups 1 , 2 (Grades M65 and L80 Type 1 only) and 3 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
10.2.2 Grades L80 9Cr, L80 13Cr, C90, T95, C110 and Q125 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
10.2.3 Coupling blanks, pup joints or accessory material heat-treated after cutting to blank or individual length
10.3 Testing of chemical composition
10.3.1 Heat analyses
10.3.2 Product analyses
10.3.3 Test method
10.3.4 Re-check of product analyses — All groups
10.4 Tensile tests
10.4.1 Stress-relief temperature — All grades
10.4.2 Heat-control tensile tests — Groups 1, 2 and 3
10.4.3 Frequency of testing and location of test specimen — Casing and tubing
10.4.4 Frequency of testing and test specimen location — Coupling stock, coupling material, coupling blanks, pup joints and accessory material
10.4.5 Test specimens — General
10.4.6 Test specimens — Additional requirements for coupling blanks, coupling stock coupling material and pup joint and accessory materials — Grades C110 and Q125
10.4.7 Test method
10.4.8 Invalidation of tests
10.4.9 Re-tests — All products (except coupling blanks, coupling stock, coupling material, pup joints or accessory material) — Grades C90, T95, C110 and Q125)
10.4.10 Re-tests — Coupling blanks, coupling stock, coupling material, pup joints or accessory material in Grades C90, T95, C110 and Q125
10.5 Flattening test
10.5.1 General requirement for testing
10.5.2 Frequency of testing
10.5.3 Test specimens
10.5.4 Test method for Groups 1 and 2
10.5.5 Test method for Grade P110 pipe and Grade Q125 casing
10.5.6 Invalidation of tests
10.5.7 Re-tests
10.6 Hardness test
10.6.1 PSL requirements
10.6.2 Frequency of testing — General
10.6.3 Frequency of testing — Heat-control tests — Grades M65 and L80
10.6.4 Frequency of testing — Grades M65 and L80
10.6.5 Frequency of testing and test specimen location — Non-upset pipe — Grades C90, T95 and C110
10.6.6 Frequency of testing and test specimen location — Upset pipe — Grades C90 and T95
10.6.7 Frequency of testing and test specimen location — Coupling blanks, coupling stock, coupling material, pup joints and accessory material — Grades C90, T95 and C110
10.6.8 Frequency of testing — Grade Q125
10.6.9 Test specimens
10.6.10 Test method
10.6.11 Invalidation of tests
10.6.12 Periodic checks of hardness-testing machines
10.6.13 Verification of hardness-testing machines and indenters
10.6.14 Re-tests — Grades M65 and L80
10.6.15 Re-tests — Grades C90, T95 and C110 products except for coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
10.6.16 Re-tests — Grades C90, T95 and C110 coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
10.6.17 Re-tests — Grade Q125 — General
10.6.18 Re-tests — Grade Q125 — Casing, coupling stock and coupling material
10.6.19 Re-tests — Grade Q125 — Coupling blanks, pup joints and accessory material
10.6.20 Rejected lots — Groups 2 and 4
10.7 Impact test
10.7.1 Sampling —Grades J55, K55 and N80 Type 1
10.7.2 Sampling — Grade M65
10.7.3 Sampling — Grades N80Q, R95, L80, C90, T95, C110 and P110
10.7.4 Sampling and test specimen location — Grade Q125
10.7.5 Test specimens
10.7.6 Test method
10.7.7 Invalidation of tests
10.7.8 Re-test of a length — All groups
10.7.9 Replacement of a reject length — All groups
10.7.10 Multiple length rejection — Grade Q125
10.8 Grain size determination — Grades C90, T95 and C110
10.8.1 Sampling
10.8.2 Test method
10.9 Hardenability — Grades C90, T95 and C110
10.10 Sulfide stress-cracking test — Grades C90, T95 and C110
10.11 Metallographic evaluation — EW Grades P110 and Q125
10.12 Hydrostatic tests
10.12.1 Hydrostatic test procedures
10.12.2 Hydrostatic test requirements
10.12.3 Test pressure calculation
10.13 Dimensional testing
10.13.1 General
10.13.2 Diameter measurement
10.13.3 Diameter re-tests
10.13.4 Wall thickness measurement
10.13.5 Drift test
10.13.6 Length measurement
10.13.7 Mass (weight) determination
10.13.8 Straightness evaluation
10.13.9 Internal upset inspection
10.14 Visual inspection
10.14.1 General
10.14.2 Pipe body, coupling stock and coupling material (excluding pipe ends)
10.14.3 Pipe ends
10.14.4 Disposition
10.15 Non-destructive examination (NDE)
10.15.1 General
10.15.2 NDE personnel
10.15.3 Reference standards
10.15.4 NDE system capability records
10.15.5 Pipe body or coupling stock inspection — General
10.15.6 Full-body, full-length NDE of casing and tubing — Grades N80Q, M65, L80 and R95
10.15.7 Full-body, full-length NDE of casing and tubing — Grade P110 to A.10 SR16
10.15.8 Full-body, full-length NDE of casing and tubing — Grade P110 and Grade P110 to A.10 SR16 and A.3 SR2
10.15.9 Full-body, full-length NDE of casing and tubing — Grades C90, T95, C110 and Q125
10.15.10 NDE of the weld seam of welded pipe
10.15.11 NDE of coupling stock (except Grade C110) and pup joints
10.15.12 NDE of coupling stock and accessory material – Grade C110
10.15.13 Un-tested pipe ends, coupling stock ends and accessory material ends
10.15.14 Pipe upsets
10.15.15 Pipe, coupling stock and accessory material requiring further evaluation
10.15.16 Evaluation of indications (prove-up)
10.15.17 Disposition of pipe containing defects
10.15.18 Disposition of coupling stock and accessory material containing defects
11 Marking
11.1 General
11.2 Stamp marking requirements
11.2.1 Methods
11.2.2 Size
11.2.3 Location
11.2.4 Group 1 (except Grade R95) and Group 3
11.2.5 Grade R95 and Groups 2 and 4
11.2.6 Make-up triangle marking
11.3 Stencil marking requirements
11.4 Colour identification
11.4.1 Colour coding
11.4.2 Product 1,8 m (6 ft) and longer
11.4.3 Loose couplings
11.4.4 Special-clearance couplings
11.4.5 Pup joints shorter than 1,8 m (6 ft) in length
11.4.6 Grade colour-codes
11.5 Thread and end-finish marking — All groups
11.5.1 API thread marking
11.5.2 Plain-end and special end-finish markings
11.6 Pipe-threader marking requirements — All groups
12 Coating and protection
12.1 Coatings — All groups
12.1.1 Coatings for protection during transit
12.1.2 Coatings for long-term storage
12.2 Thread protectors
12.2.1 General
12.2.2 Grade L80 Types 9Cr and 13Cr
12.2.3 Driftable thread protectors
13 Documents
13.1 Electronic media — All groups
13.2 Certification — Groups 1, 2 (except Grade C110) and 3
13.3 Certification requirements — Grades C110 and Q125
13.4 Retention of records
14 Minimum facility requirements for various categories of manufacturer
14.1 Pipe mill
14.2 Processor
14.3 Pipe threader
14.4 Coupling, pup-joint or accessory manufacturer