NS EN 14398-2 : 2003 + A2 2008

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
  3.1 Terms and definitions
  3.2 Symbols
4 Design
  4.1 Design options
      4.1.1 General
      4.1.2 Design by calculation
      4.1.3 Design by calculation and pressure
             strengthening
      4.1.4 Design by calculation supplemented
             with experimental methods
  4.2 Common design requirements
      4.2.1 General
      4.2.2 Design specification
      4.2.3 Design loads
      4.2.4 Fatigue
      4.2.5 Corrosion allowance
      4.2.6 Inspection openings
      4.2.7 Pressure relief
      4.2.8 Valves
      4.2.9 Insulation
      4.2.10 Degree of filling
      4.2.11 Electrical continuity
  4.3 Design by calculation
      4.3.1 General
      4.3.2 Vessel
      4.3.3 Attachments
      4.3.4 Piping and accessories
      4.3.5 Calculation formulae
      4.3.6 Calculations for operating loads
5 Fabrication
  5.1 General
  5.2 Cutting
  5.3 Cold forming
      5.3.1 Austenitic stainless steel
      5.3.2 Ferritic steel
  5.4 Hot forming
      5.4.1 General
      5.4.2 Austenitic stainless steel
      5.4.3 Ferritic steel
  5.5 Manufacturing tolerances
      5.5.1 Plate alignment
      5.5.2 Thickness
      5.5.3 Dished ends
      5.5.4 Cylinders
  5.6 Welding
      5.6.1 General
      5.6.2 Qualification
      5.6.3 Temporary attachments
      5.6.4 Welded joints
  5.7 Non-welded joints
6 Inspection and testing
  6.1 Quality plan
      6.1.1 Inspection stages during manufacture of
             a vessel
      6.1.2 Additional inspection stages during
             manufacture of a large transportable
             cryogenic vessel
  6.2 Production control test plates
      6.2.1 Requirements
      6.2.2 Extent of testing
  6.3 Non-destructive testing
      6.3.1 General
      6.3.2 Extent of examination for surface
             imperfections
      6.3.3 Extent of examination for volumetric
             imperfections
  6.4 Rectification
  6.5 Pressure testing
Annex A (informative) Elastic stress analysis
  A.1 General
  A.2 Terminology
      A.2.1 Stress intensity
      A.2.2 Gross structural discontinuity
      A.2.3 Local structural discontinuity
      A.2.4 Normal stress
      A.2.5 Shear stress
      A.2.6 Membrane stress
      A.2.7 Primary stress
      A.2.8 Primary local membrane stress
      A.2.9 Secondary stress
      A.2.10 Peak stress
  A.3 Limit for longitudinal compressive general
      membrane stress
  A.4 Stress categories and stress limits for general
      application
      A.4.1 General
      A.4.2 General primary membrane stress category
      A.4.3 Local primary membrane stress category
      A.4.4 General or local primary membrane plus
             primary bending stress category
      A.4.5 Primary plus secondary stress category
      A.4.6 Thermal stress
  A.5 Specific criteria, stress categories and stress
      limits for limited application
      A.5.1 General
      A.5.2 Attachments and supports
      A.5.3 Nozzles and openings
      A.5.4 Additional stress limits
Annex B (normative) Additional requirements for 9 %
        Ni steel
  B.1 Introduction
  B.2 Specific requirements
Annex C (normative) Pressure strengthening of vessels
        from austenitic stainless steels
  C.1 Introduction
  C.2 Scope
  C.3 Definitions and units of measurement
  C.4 Materials
  C.5 Design
      C.5.1 General
      C.5.2 Design for internal pressure
  C.6 Manufacturing and inspection
      C.6.1 Strengthening procedure
      C.6.2 Procedure record
      C.6.3 Welding
      C.6.4 Pressure vessel drawing
      C.6.5 Data plate
  C.7 Comments
      C.7.1 Strengthening theory
      C.7.2 Work-hardened material
      C.7.3 Derivation of formulae
      C.7.4 Deformations at strengthening
Annex D (informative) Specific weld details
  D.1 Field of application
  D.2 Weld detail
      D.2.1 Joggle joint
      D.2.2 Intermediate ends
      D.2.3 Backing strip
      D.2.4 End plate closure
      D.2.5 Non full penetration nozzle weld
      D.2.6 Non continuous fillet weld on attachments
  D.3 Oxygen service requirements
Annex E (normative) Increased material property for
        austenitic stainless steel
Bibliography

Gives requirements for the design, fabrication, inspection and testing of large transportable non vacuum insulated cryogenic vessels of more than 1000 l volume, which are permanently (fixed tanks) or not permanently (demountable tanks) attached to a vehicle, for carriage by road.