Standard Specification for
Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products
AASHTO Designation: M 111 M/M 111-04
ASTM Designation: A 123/A 123M-02
SCOPE
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.
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).
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