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ASTM A123/A123M-02
Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products


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Scope

1.1 This specification covers the requirements for zinc coating (galvanizing) by the hot-dip process on iron and steel products made from rolled pressed and forged shapes, castings, plates, bars, and strips.

1.2 This specification covers both unfabricated products and fabricated products, for example, assembled steel products, structural steel fabrications, large tubes already bent or welded before galvanizing, and wire work fabricated from uncoated steel wire. This specification also covers steel forgings and iron castings incorporated into pieces fabricated before galvanizing or which are too large to be centrifuged (or otherwise handled to remove excess galvanizing bath metal).

Note 1—This specification covers those products previously addressed in Specifications A 123-78 and A 386-78.

1.3 This specification does not apply to wire, pipe, tube, or steel sheet which is galvanized on specialized or continuous lines, or to steel less than 22 gage (0.0299 in.) [0.76 mm] thick.

1.4 The galvanizing of hardware items that are to be centrifuged or otherwise handled to remove excess zinc (such as bolts and similar threaded fasteners, castings and rolled, pressed and forged items) shall be in accordance with Specification A 153/A 153M.

1.5 Fabricated reinforcing steel bar assemblies are covered by the present specification. The galvanizing of separate reinforcing steel bars shall be in accordance with Specification A 767/A 767M.

1.6 This specification is applicable to orders in either inch-pound units (as A 123) or SI units (as A 123M). Inch-pound units and SI units are not necessarily exact equivalents. Within the text of this specification and where appropriate, SI units are shown in parentheses. Each system shall be used independently of the other without combining values in any way. In the case of orders in SI units, all testing and inspection shall be done using the metric equivalent of the test or inspection method as appropriate. In the case of orders in SI units, such shall be stated to the galvanizer when the order is placed.

Abstract

This specification covers the standard requirements for hot-dip galvanized zinc coatings on iron and steel products made from rolled pressed and forged shapes, castings, plates, bars, and strips. This specification deals with both unfabricated products and fabricated products, for example, assembled steel products, structural steel fabrications, large tubes already bent or welded before galvanizing, and wire work fabricated from uncoated steel wire. Also covered here are steel forgings and iron castings incorporated into pieces fabricated before galvanizing or those too large to be centrifuged (or otherwise handled to remove excess galvanizing bath metal).

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

General Product Information

Document Type Standard
Status Superseded
Publisher:    American Society for Testing and Materials
Committee A 05
Withdrawn Date 01 Sep 2008
Superseded By:
ASTM A123/A123M-08
Supersedes:
ASTM A123/A123M-01a
ASTM A123-ae1



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Abstract

CONTAINED IN VOL. 01.06, 2005

Defines the requirements for zinc coating (galvanizing)
by the hot-dip process on iron and steel products made
from rolled pressed and forged shapes, castings, plates,
bars, and strips. Swathes both unfabricated products and
fabricated products, for example, assembled steel
products, structural steel fabrications, large tubes already
bent or welded before galvanizing, and wire work
fabricated from uncoated steel wire. And also covers steel
forgings and iron castings incorporated into pieces
fabricated before galvanizing or which are too large to be
centrifuged (or otherwise handled to remove excess
galvanizing bath metal).

History

2002 [01/12/2002]
2001A [01/12/2001]
2001 [01/08/2001]
2000 [01/08/2000]
97A(R1999)E1
97AE1 [01/10/1998]
97A [01/12/1997]

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