API Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 Design and performance - General requirements
5 Materials - General requirements
6 Welding - General requirements
7 Quality control
8 Equipment marking
9 Storing and shipping
10 Equipment-specific requirements
11 Repair and remanufacture
Annex A (informative) - Purchasing guidelines
Annex B (informative) - USC unit tables and data
        for this International Standard
Annex C (informative) - Method of calculating
        stud bolt lengths for type 6B and 6BX
        flanges
Annex D (informative) - Recommended flange bolt
        torque
Annex E (informative) - Recommended weld preparation
        design dimensions
Annex F (informative) - Design validation procedures
Annex G (informative) - Design and rating of equipment
        for use at elevated temperatures
Annex H (normative) - Design and manufacture of surface
        wellhead running, retrieving and tools, clean-out
        tools and wear bushings
Annex I (normative) - Design validation procedures for
        surface safety valves and underwater valves
Annex J (normative) - Repair and remanufacture requirements
Annex K (informative) - Recommended specifications for
        top connectors for christmas trees
Annex L (normative) - Specifications for valve-removal
        preparations, valve-removal plugs and handling
        tools
Annex M (informative) - Qualification of heat-treating
        equipment
Annex N (informative) - List of tables and list of
        figures
Annex O (informative) - API Regional Annex
Annex P (informative) - Use of the API Monogram by
        Licensees and Test Agency Licensing
Bibliography