What is the HDG Process? | American Galvanizers Association
The hot-dip galvanizing (HDG) process consists of three basic steps: Surface Preparation Galvanizing Inspection Surface Preparation Surface preparation is a critical step in the application of any coating.
What is Galvanizing? Galvanize - American Galvanizers Association
Hot-dip galvanizing has a proven and growing history of success in myriad applications worldwide. Galvanizing means applying a protective zinc layer to iron or steel by dipping it into a molten zinc bath to prevent corrosion and rust.
Hot-dip Galvanized Steel Education… | American Galvanizers …
2024年7月17日 · Hot-dip galvanizing (HDG) is often used to protect steel from corrosion in some of the harshest environments imaginable, yet it provides maintenance-free longevity for decades. Find out how long galvanized steel will last in your application.
Galvanizing Plant Locations - American Galvanizers Association
Find a hot-dip galvanizing plant near you. Listing of over 160 galvanizers by location with kettle dimensions and contact information.
What is the Cost of Galvanized Steel? - American Galvanizers …
The LCCC automates the calculation found in the specification ASTM A1068 and allows you to compare the initial and life-cycle cost of hot-dip galvanizing to 30+ other corrosion protection systems.
The HDG Coating - American Galvanizers Association
The galvanized coating is adherent to the underlying steel on the order of several thousand pounds per square inch (psi). Other coatings typically offer adhesion rated at several hundred psi at best. Hardness, ductility, and adherence combine to provide the galvanized coating with unmatched protection against damage caused by rough handling ...
Distortion & Warping - American Galvanizers Association
The guidelines for safeguarding against warping and distortion during hot-dip galvanizing of steel assemblies are outlined in ASTM A384. With proper consideration and understanding of how the hot-dip galvanizing process affects steel, asymmetrical designs or …
Stripping and Regalvanizing - American Galvanizers Association
2014年8月25日 · Hot-dip galvanized steel can be stripped and re-galvanized for several reasons such as: The galvanized steel came out of the kettle with bare areas exceeding the limits outlined in Section 6.2 of ASTM A123/A123M or in Section 4.5 of ASTM A153/A153M.
Steel Selection - American Galvanizers Association
When possible, your galvanizer should be advised of the grade of steel selected in order to determine whether specialized galvanizing techniques are suggested. Hydrogen embrittlement is of concern for steels of ultimate tensile strength of 150 ksi (1100 MPa).
Overview of ASTM A123/A123M - American Galvanizers Association
2021年6月3日 · The specification ASTM A123/A123M Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products, covers individual steel pieces as well as assemblies of various classes of material. The requirements listed in ASTM A123/A123M include coating thickness, finish, appearance, and…