Standard
Track updates
AS/NZS 4791:2006
[Current]Hot-dip galvanized (zinc) coatings on ferrous open sections, applied by an in-line process
Specifies requirements for the mass, quality and testing of galvanized coatings applied to ferrous open sections on all surfaces except cut ends, using an in-line process that utilizes specialized equipment.
Published: 25/07/2006
Pages: 17
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Galvanizing process
4.1 Pretreatment
4.2 Bath composition
4.3 Galvanizing
4.4 Treatment after galvanizing
5 Appearance and freedom from defects
6 Designation
7 Selection of test specimens
7.1 For coating mass or thickness determinations
7.2 For adherence of the coating
8 Coating mass and thickness
8.1 Coating mass
8.2 Coating thickness
9 Adherence of coating
Appendix A
A1 General
A2 Information to be supplied by the purchaser
Appendix B
B1 Scope
B2 Statistical sampling
B3 Product certification
B4 Supplier’s quality system
B5 Other means of assessment
Appendix C
C1 Scope
C2 External atmospheric corrosivity factors
C3 Local environment effects
C4 Seawater immersion
Appendix D
D1 Extent of repairable damaged areas
D2 Repair requirements
Appendix E
Appendix F
F1 General
F2 Gravimetric method
F2.1 Method
F2.2 Calculation of coating mass
F3 Volumetric method
F3.1 Method
F3.2 Calculation of coating mass
F4 Magnetic, magnetic induction and eddy current methods for local thickness
F4.1 General
F4.2 Calculation of coating mass
F5 Test report
Appendix G
G1 Scope
G2 Painting procedures
Cited references in this standard
[Current]
Sampling procedures for inspection by attributes, Part 0: Introduction to the ISO 2859 attribute sampling system
[Current]
Sampling procedures for inspection by attributes, Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
[Current]
Methods of test for metallic and related coatings, Method 1.3: Local thickness tests — Magnetic method
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