Standard
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AS/NZS 1214:2016
[Current]Hot-dip galvanized coatings on threaded fasteners (ISO metric coarse thread series) (ISO 10684:2004, MOD)
Adopts ISO 10684:2004 to provide manufacturers, suppliers and users with the material, dimensional requirements and some performance requirements for hot dip spun galvanized coatings applied to coarse threaded steel fasteners and other steel parts, e.g. washers.
Published: 09/05/2016
Pages: 20
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
4.1 Raw material of parts
4.1.1 Chemical composition
4.1.2 Surface condition
4.2 Zinc
5 Hot dip galvanizing procedures and precautions
5.1 Stress relief
5.2 Cleaning and pickling
5.3 Baking
5.4 Fluxing
5.5 Hot dip galvanizing
5.6 Spinning and quenching
5.7 Special requirements for nuts
5.8 Post-treatment
6 Requirements on thread tolerances and additional marking
6.1 General
6.2 Requirements and precautions in assembling hot dip galvanized threaded fasteners
6.2.1 General
6.2.2 Nuts tapped oversize to tolerance class 6AZ or 6AX after coating
6.2.3 Bolts and screws with threads undersized to tolerance class 6az before coating
6.3 Special requirements for marking when supplying fasteners in sealed containers
7 Mechanical properties of nuts tapped oversize and undersize threaded bolts, screws and studs
8 Coating requirements
8.1 Appearance of zinc coating
8.2 Considerations for hot dip galvanized washers
8.3 Zinc coating thickness
8.4 Adhesion of zinc coating
9 Lubrication
10 Ordering requirements
11 Designation
Annex A
A.1 General
A.2 Minimum proof loads for hexagon nuts tapped oversize to tolerance class 6AZ or 6AX after coating
A.3 Minimum ultimate tensile loads and proof loads for bolts and screws with threads undersized to tolerance class 6az before coating
Annex B
B.1 General
B.2 Limits of sizes — Internal screw thread M8
B.3 Limits of sizes — External screw thread M8
Annex C
Annex D
D.1 General
D.2 Bolts and screws
D.3 Nuts
Annex E
Annex F
Technical Corrigendum 1
Appendix ZZ
ZZ1 Scope
ZZ2 Variations
Cited references in this standard
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