PREN 10329 : DRAFT 2002

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Information to be supplied by the purchaser
  4.1 Mandatory
  4.2 Options to be indicated by the purchaser
5 Choice of coatings
  5.1 Types of coating
  5.2 Possible choices depending of factory applied tube
      coatings
  5.3 Documents
6 Application of the coating and common requirements
  6.1 Preparation of the surface before coating
  6.2 Provisions before application
  6.3 Appearance of the coating
  6.4 Testing
  6.5 Additional mechanical protection
  6.6 Repair
  6.7 Qualification of the procedure and the coater
  6.8 Preliminary quality inspection
7 Coatings
  7.1 Coatings from bituminous tapes, petrolatum tapes,
      plastics tapes or shrinkable materials
  7.2 Coating for liquid epoxy resin or liquid
      polyurethane
  7.3 Coating from polypropylene
Annex A (normative) Inspection of thickness
  A.1 General
  A.2 Apparatus
  A.3 Procedure
  A.4 Results
Annex B (informative) Holiday detection test
  B.1 General
  B.2 Apparatus
  B.3 Procedure
  B.4 Results
Annex C (normative) Adhesion test - Resistance to removal
  C.1 General
  C.2 Apparatus
  C.3 Procedure
  C.4 Results
Annex D (normative) Peel strength test
  D.1 Measurement of the peel strength on a coated sample
  D.2 Measurement of the peel strength on large diameter
      joint
  D.3 Measurement of the peel strength with a spring
      balance
Annex E (normative) Test for assessing the degree of cure of
                    the epoxy coating by thermal analysis
  E.1 General
  E.2 Principle
  E.3 Sampling
  E.4 Procedure
  E.5 Results
Annex F (normative) Cathodic disbondment test
  F.1 General
  F.2 Apparatus
  F.3 Sampling
  F.4 Procedure
  F.5 Investigation procedure
  F.6 Results
Annex G (normative) Impact test
  G.1 General
  G.2 Apparatus
  G.3 Procedure
  G.4 Results
Annex H (normative) Indentation test
  H.1 General
  H.2 Apparatus
  H.3 Procedure
  H.4 Results
Annex I (informative) Qualification of the procedure and
                      the coater
  I.1 General
  I.2 Qualification of the procedure and the coater
  I.3 Frequency of inspections
  I.4 Retest

Defines the application and related testing of the corrosion protection coatings applied to steel surfaces left bare after the tubes and fittings (components) are joined by welding.