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ASTM A153 for Hardware | American Galvanizers Association
The specification ASTM A153/A153M applies to hardware products such as castings, fasteners, rolled, pressed, and forged products, and miscellaneous threaded objects that will be centrifuged, spun, or otherwise handled to remove excess zinc ( Figure 12 ). The requirements for ASTM A153/A153M are very similar to those stated earlier for ASTM …
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Are MIL specifications and ASTM… | American Galvanizers Association
For example, the AGA has received technical queries regarding the specification of MIL-P-26915, MIL-T-26433, MIL-P-21035A, or MIL-P-46105 instead of or in addition to ASTM A780. But these government specifications are not directly comparable to ASTM A780 for the purpose of repairing uncoated areas of galvanized steel.
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Evaluating Steel Chemistry Prior… | American Galvanizers Association
The elements listed in ASTM A385 should be compared according to the recommendations in order to achieve a coating which is of typical appearance and thickness. TABLE 1: RECOMMENDED ELEMENTAL COMPOSITIONS FOR HOT-DIP GALVANIZING (REF. ASTM A385 SECTION 3.2)
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ASTM A780-Zinc Dust in Paint
This is a common question and the topic of zinc dust concentration in zinc-rich paint is commonly misunderstood, so lets start with the exact wording from Section 4.2.2 of ASTM A780:. Paints containing zinc dust, with concentrations of zinc dust in the range of 65 to 69% or above 92% in the dried film, are considered equally effective for the repair of …
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Design and Specification | American Galvanizers Association
A123 is the main specification and covers all types of galvanized products except fasteners and small parts which are covered by A153, and reinforcing steel bars, covered by A767. There is a handful of supporting specifications referenced in these specifications that cover design practices, repair and touch-up, and painting over galvanizing.
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A 490 Bolts | American Galvanizers Association
A490 covers heavy hex structural bolts (tensile strength of 150 to 173 ksi) and currently, ASTM Standards do not allow hot-dip galvanizing of A490 bolts for corrosion protection. A recent study conducted by AGA Technical Director, Thomas Langill, Ph.D., and published in the April 2013 issue of…
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SSPC Surface Preparation Standards
The preparation of a hot-dip galvanized coating for paint or powder coating connects this standard to the galvanizing industry. ASTM D6386 and D7803 both call out this standard during their surface preparation steps. Solvent cleaning is used to remove oil and grease from the galvanized coating before it is profiled and cleaned with other methods.
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Supporting Specifications | American Galvanizers Association
Supporting Specifications. Though all of the main galvanizing standards (A123, A153, and A767) reference these supporting specifications, when you are designing a project to be hot-dip galvanized, its important to be aware of these as well. There are a number of specifications the designer/fabricator/specifier should consider before galvanizing ...
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Fastener Quality Act and ASTM A153
The FQA only applies to items such as metallic bolts, nuts, screws, studs (0.25 in / 6 mm or greater), or through-hardened direct tension-indicating (DTI) washers. When a fastener subject to the FQA is to be hot-dip galvanized, ASTM A153 Paragraph 6.4 states: 6.4 The method of sampling for fasteners that are required to meet the standards of ...
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About AGA | American Galvanizers Association
The American Galvanizers Association (AGA), headquartered in Centennial, Colo., is a not-for-profit trade association dedicated to serving the needs of specifiers, architects, engineers, contractors, fabricators, and after-fabrication hot-dip galvanizers throughout North America.Since 1933, the AGA has provided information on the most innovative …
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ASTM Specifications | American Galvanizers Association
Specification for Carbon and Alloy Steel Nuts. This specification covers the chemical, mechanical, and dimensional requirements for eight grades (Grades O, A, B, C, D, DH, C3, and DH3) of carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other …
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ASTM A123 and G90 Specifications
Are ASTM A123 and G90 equivalent galvanizing specifications? G90. First of all, G90 is not a galvanizing specification; it is a coating thickness designation in the …
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Painting over Galvanizing | American Galvanizers Association
By studying past adhesion failures and successes, galvanizers, paint companies, researchers, paint contractors, and other sources have created an ASTM …
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Overview of ASTM A123/A123M
June 3, 2021. The specification ASTM A123/A123M Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products,covers individual steel pieces as well …
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Specifying Hot-Dip Galvanizing
There are also three specifications specifiers may need for post-galvanizing considerations including: ASTM A780 Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings. Accepted forms of touch-up and proper repair for both in-plant and in-field. ASTM D6386 Practice for Preparation of Zinc (Hot-Dip Galvanized) …
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Ensuring Conformance to ASTM A780
Zinc Paint Repair In order to ensure strict adherence to the specification ASTM A780 when performing repairs at the galvanizing plant, the galvanizer should be well versed in the equipment, materials and surface preparation standards required of each repair method. ... American Galvanizers Association 6881 South Holly Circle, Suite …
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Painting Galvanized Steel -… | American Galvanizers Association
The specification ASTM D6386 provides all of the detail to properly prepare the hot-dip galvanized surface for paint. The AGA offers Preparing HDG Steel for Paint, a package that includes an instructional guide booklet and step-by-step DVD video on how to prepare the hot-dip galvanized steel surface for paint. The Thurston Avenue Bridge is ...
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What HDG Specification Changes… | American Galvanizers Association
ASTM A153/A153M-23, Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware. ... American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, Colorado 80112 Phone: 720.554.0900 Fax: 720.554.0909 General Information [email protected] Facebook;
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Publications | American Galvanizers Association
Publications. Express Checkout. As the non-profit trade association for the batch hot-dip galvanizing industry, the American Galvanizers Association produces and maintains a wide variety of detailed technical publications about hot-dip galvanizing. With over 65 years of experience, expertise in chemical, environmental, and corrosion engineering ...
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ASTM A123 for Structural Steel Products
The ASTM specifications A143/A143M, ASTM A384/A384M, and ASTM A385 provide guidelines for preparing products for hot-dip galvanizing. The requirements listed in ASTM A123/A123M include coating thickness, finish, appearance, and adherence. These are each defined below and discussed in more detail later in this course.
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ISO 1461 vs. ASTM A123 | American Galvanizers Association
A comparison of the standards finds they are very similar, with the ASTM Specs typically requiring more coating thickness on most types and thickness of steel. ... American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, Colorado 80112 Phone: 720.554.0900 Fax: 720.554.0909 General Information [email …
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Ensuring Conformance to ASTM A780
The six-part video series will provide highly beneficial visual aids to those needing assistance with meeting the requirements of ASTM A780. Topics will include …
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Other Galvanizing Standards | American Galvanizers Association
The differences in these specifications and the ASTM specifications are minimal or may direct back to the ASTM specifications. ... American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, Colorado 80112 Phone: 720.554.0900 Fax: 720.554.0909 General Information [email protected]
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Finish | American Galvanizers Association
For more on minimizing distortion, see the American Galvanizers Association's ... Galvanizers are required to have a bath of 98% pure zinc, according to the product specifications ASTM A123, A153, and A767, while the remaining 2% is comprised of additives at the galvanizer's discretion. One common additive is aluminum, which helps …
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Multi-Specimen Test Articles &… | American Galvanizers Association
The inspection quantities are determined by the lot sizes and are detailed in the ASTM specifications A123, A153 and A767. ... American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, Colorado 80112 Phone: 720.554.0900 Fax: 720.554.0909 General Information [email protected]
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ASTM Specification Changes | American Galvanizers Association
The specifications for hot-dip galvanizing are required to be reviewed every 5 to 7 years by the standards organization, American Society of Testing and Materials (ASTM). In most cases, the changes to the specifications are minor and the specifications do not change much with each new release. In the latest review cycle, …
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Publications | American Galvanizers Association
As the non-profit trade association for the batch hot-dip galvanizing industry, the American Galvanizers Association produces and maintains a wide variety of detailed …
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ASTM A767 for Rebar | American Galvanizers Association
January 25, 2011. Authored by Dr. Tom Langill. The specification ASTM A767/A767M, Standard Specification for Zinc-Coating (Galvanized) Steel Bars for Concrete Reinforcement, is applicable exclusively to the hot-dip galvanizing of reinforcing steel, otherwise known as rebar, and is applicable to all types of rebar, both smooth and …
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Specifying Duplex Systems | American Galvanizers Association
The following ASTM specifications have been developed based on experience and historical data to aid in the preparation of galvanized steel for paint and the preparation of hot-dip galvanized ... American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, Colorado 80112 Phone: 720.554.0900 Fax: 720.554.0909 General …
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Venting & Drainage | American Galvanizers Association
Venting & Drainage. In the hot-dip galvanizing process, steel is completely coated with corrosion-inhibiting zinc, which forms a highly abrasion-resistant metallurgical bond with the base steel. In order to ensure that all interior and exterior surfaces are protected from corrosion, entire steel fabrications are lowered into and raised out of ...
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Introduction | American Galvanizers Association
The course provides an overview of the hot-dip galvanizing process, ASTM specifications, design best practice, inspection, and preparing the galvanized surface for painting/powder coating. The AGA is a non-profit trade association dedicated to serving the needs of after-fabrication hot-dip galvanizers, fabricators, architects, engineers, and ...
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Inspection of HDG | American Galvanizers Association
The inspection process requires a clear understanding of galvanizing specification requirements and measurement techniques to make an accurate assessment. ... The requirements for hot-dip galvanized coatings are found in three ASTM specifications A123, ... American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, …
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Galvanizing Specifications | American Galvanizers …
ASTM Specifications. Specifying hot-dip galvanizing is simply done by using ASTM specifications developed to produce high-quality galvanized coatings. The main specifications that pertain to hot …
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SSPC-SP 8 Pickling Standard | American …
ASTM A123 Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products ASTM A153 Specification for Zinc Coating (Hot-Dip) on Iron and Hardware ... American Galvanizers …
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