AS/NZS 4680:2006 pdf free

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AS/NZS 4680:2006 pdf free.Hot-Dip Galvanized (Zinc) Coatings On Fabricated Ferrous Articles.
This Standard specifies requirements and tests for hot-dip zinc coatings on fabricated ferrous articles including structural steel, steel reinforcements, steel sheet fabrications, assembled steel products, tubular fabrications, fabricated wire work, steel forgings, steel stampings, ferrous castings, nails and other small components.
This Standard applies to both centrifuged and non-centrifuged articles
This Standard does not apply to products such as wire and welded wire fabric(see AS/NZ 4534), sheet(see AS 1397)or open sections(see AS/NZS4791)and tube hot-dip galvanized in continuous, semi-continuous or specialized plants(see AS/NZS 4792)
I Advice and recommend/ations on information to be supplied by the purchaser to the hot-dip galvanizer at the time of enquiry or order are contained in the purchasing guidelines set out in Appendix A.
2 Means for demonstrating compliance with this Standard are given in Appendix B.
3 After-treatment of hot-dip galvanized articles is not covered by this Standard. Such treatment (if any) should be specified separately by the purchaser “.
For the purpose of this Standard, the definitions below apply.
3.1 Coating mass
total mass of hot-dip galvanized coating per unit surface area of steel base, on a single surface, expressed in grams per square metre
3.2 Coating mass, average
The mean value of local coating masses measured using test pieces representing either one large article or all items of an inspection batch
3.3 Coating mass, local
The coating mass at a reference area, expressed in grams per square metre.
3.4 Coating thickness
The total thickness of hot-dip galvanized coating, on a single surface, expressed in micrometres
3.5 Coating thickness, average
The mean value of local thicknesses measured either on one large article or on all items of an inspection batch, expressed in micrometres.
3.6 Coating thickness. local
The coating thickness at a reference area, expressed in micro metres
3.7 Galvanizer
A person, persons or organization responsible for the coating of the article with molten zinc.
3.8 Hot-dip galvanized coating.
A coating consisting of zinc-iron alloys covered by zinc. obtained by the hot-dip galvanizing process.
NOTE: The term hot-dip galvanized coating ‘is subsequently referred to as thecoating
3.9 Hot-dip galvanizing
A process comprising pretreatment, and molten zinc baths in which steel products are dipped so as to form adherent zinc and zinc-iron alloy coatings.
3.10 Reference area
The area within which a specific number of single measurements is required to be made 3.11 Significant surface.
The surface of the article to be covered by the coating and which is essential for serviceability and/or appearance.

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