04/19991491 DC : DRAFT DEC 2004

Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Symbols and abbreviated terms
6 Triaxial Yield of Pipe Body
   6.1 Introduction
   6.2 Assumptions and Limitations
   6.3 Data Requirements
   6.4 Design Formula for Triaxial Yield of Pipe Body
   6.5 Example Calculations
7 Ductile Rupture of the Pipe Body
   7.1 Introduction
   7.2 Assumptions and Limitations
   7.3 Data Requirements
   7.4 Design Formula for Ductile Rupture
   7.5 Adjustment for the Effect of Axial Tension and
         External Pressure
   7.6 Example Calculations
8 External Pressure Resistance
   8.1 Introduction
   8.2 Assumptions and Limitations
   8.3 Data Requirements
   8.4 Design Formula for Collapse of Pipe Body
   8.5 Formulas for Empirical Constants
   8.6 Example Calculations
9 Joint Strength
   9.1 Introduction
   9.2 Design Formulas for API Casing Connections
         Tensile Joint Strength
10 Pressure Performance for Connections
   10.1 Design Formulas for Internal Yield Pressure
         of Couplings
   10.2 Design Formulas for Internal Pressure Leak
         Resistance at E[1] or E[7] Plane
11 Calculated Masses
   11.1 Nominal Masses
   11.2 Calculated Plain-End Mass
   11.3 Calculated Threaded and Coupled Mass
   11.4 Calculated Upset and Threaded Mass for Integral
         Joint Tubing and Extreme-Line Casing
   11.5 Calculated Upset Mass
   11.6 Mass Gain Due to End Finishing
   11.7 Calculated Coupling Mass
   11.8 Calculated Mass Removed during Threading
   11.9 Calculated Mass of External Upsets
   11.10 Calculated Mass of Internal Upsets
   11.11 Calculated Mass of External-Internal Upsets
   11.12 Calculated Mass of External-Line Upsets
12 Elongation
   12.1 Background
13 Flattening Tests
   13.2 Flattening Tests for Line Pipe
14 Hydrostatic Test Pressures
   14.1 Hydrostatic Test Pressures for plain-End Pipe,
         Extreme-Line Casing and Integral Joint Tubing
   14.2 Hydrostatic Test Pressure for Threaded and
         Coupled Pipe
15 Make-up Torque for Round Thread Casing and Tubing
   15.1 Background
16 Guided Bend Tests for Submerged Arc Welded Line Pipe
   16.1 Background
17 Determination of Minimum Impact Specimen Size for
   API Couplings and Pipe
   17.1 Critical Thickness
   17.2 Calculated Coupling Blank Thickness
   17.3 Calculated Wall Thickness for Transverse
         Specimens
   17.4 Calculated Wall Thickness for Longitudinal
         Specimens
   17.5 Minimum Specimen Size for API Couplings
   17.6 Impact Specimen Size for Pipe
   17.7 Larger Size Specimens
   17.8 Reference Information
Annex A (informative) Discussion of Formulas for
        Triaxial Yield of Pipe Body
        A.1 Triaxial Yield of Pipe Body
        A.2 Initial Yield of Pipe Body, Lame Formulation
            for Pipe when External Pressure, Bending and
            Torsion are Zero
        A.3 Initial Yield of Pipe Body, Historical API
            Formulation
Annex B (informative) Discussion of Formulas for Ductile
        Rupture
        B.1 Introduction
        B.2 Ductile Rupture of Pipe Body
        B.3 Selection of a Ductile Rupture Model
        B.4 Pipe Rupture Data Base Used to Validate the
            Rupture Models
        B.5 Comparison Between the Different Rupture
            Models and Pipe Rupture Data Under Capped-End
            Conditions
        B.6 Comparison Between the Recommended Rupture
            Model and Pipe Rupture Data Under Capped-End
            Conditions
        B.7 The Role of Imperfections in the Ductile
            Rupture Formula
        B.8 Template for Probabillistic Calculation of
            Ductile Rupture Strength
Annex C (normative) Rupture Test Procedure
        C.1 Specimen Ends
        C.2 Specimen Length
        C.3 Application of Pressure
Annex D (informative) Discussion of Formulas For Fracture
        D.1 Material Induced Fracture of the Pipe Body
        D.2 Fracture due to Environmental Crack Initiation
Annex E (informative) Discussion of Historical, API Collapse
        Formulas
        E.1 Introduction
        E.2 Collapse Pressure Formulas
        E.3 Derivation of Collapse Pressure
Annex F (informative) Proposed Formulas for Collapse
        F.1 Draft Collapse Section of Main Text
Annex G (informative) Discussion of Proposed Formulas for
        Collapse
        G.1 Collapse Failure of the Pipe Body
        G.2 KT Collapse Formula
        G.3 KT Collapse Formula, External pressure only
        G.4 Limitations
        G.5 Using the KT Collapse Formula as Design Formula
Annex H (informative) Development of Proposed Formulas for
        Collapse of Q&T Pipe
        H.1 Introduction
        H.2 Selection of Ultimate Limit State Formula
        H.3 Ultimate Limit State Formula
        H.4 Input Variable PDF Types and Parameters
        H.5 Target Reliability Level
        H.6 Design Formula
        H.7 Risk-Calibrated Design Strength
Annex I (informative) Development of Proposed Formulas
        for Collapse of non-Q&T Pipe
        I.1 Introduction
        I.2 Ultimate Limit State Formula
        I.3 Design Formulas
        I.4 Results
Annex J (normative) Calculation Procedure for Case-Specific
        Q&T Collapse Strengths
        J.1 Introduction
        J.2 Production Quality Statistics
        J.3 Probabillistic Analysis
        J.4 Substantiation of case-Specific Strengths
Annex K (normative) Collapse Test Procedure
        K.1 Test Specimen
        K.2 Test Apparatus
        K.3 Measurements Prior to Collapse Testing
        K.4 Test Procedure
        K.5 Data Reporting
Annex L (informative) Discussion of Formulas for Joint
        Strength
        L.1 Introduction
        L.2 Design Formulas for API Casing Connections
            Tensile Joint Strength
Annex M (informative) Table of Calculated Performance
        Properties
Bibliography
Annex N
N.1 Burst
N.2 Collapse