NEN EN 10329 : 2006

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 Types of joint coatings depending on factory applied
      tube coating
  5.3 Documents
6 Application of the coating and general requirements
  6.1 Preparation of the surface before coating
  6.2 Conditions before application
  6.3 Appearance of the coating
  6.4 Testing
  6.5 Additional mechanical protection
  6.6 Repair
  6.7 Qualification of the application procedure and the coater
  6.8 Preliminary quality inspection
7 Coatings
  7.1 Bituminous tapes, petrolatum tapes, plastic tapes or heat
      shrinkable materials
  7.2 Liquid epoxy resin or liquid polyurethane
  7.3 Polypropylene
  7.4 Epoxy powder
Annex A (normative) Inspection of thickness
        A.1 General
        A.2 Apparatus
        A.3 Procedure
        A.4 Results
Annex B (normative) 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 application procedure
        and the coater
        I.1 General
        I.2 Qualification of the procedure and the coater
        I.3 Frequency of inspections
        I.4 Retest
Bibliography

Describes 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.