The copyright notice or other notice contained in the ASTM Product or Documents.Ī single unique computer, with an individual IP address (in both electronic file and hard copy) belong to ASTM. This is not a sale all right, title and interest in the ASTM Product or Documents (Licensee) have no ownership or other rights in the ASTM Product or in the Documents. ('ASTM'), 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 USA, except as may beĮxplicitly noted in the text of the individual Documents. Promptly exit this page without entering the ASTM Product.Ĭompilation and as individual standards, articles and/or documents ('Documents') by ASTM If you do not agree to the terms of this License Agreement, IMPORTANT- READ THESE TERMS CAREFULLY BEFORE ENTERING THIS ASTM PRODUCT.īy purchasing a subscription and clicking through this agreement, you are entering intoĪ contract, and acknowledge that you have read this License Agreement, that you understand When an assembly of steel parts or an individual steel part has been designed and fabricated with critical dimensions and must be subsequently hot-dip galvanized, the designer should be aware that the hot-dip galvanizing process chemical cleaning to prepare the surfaces for coating and this may alter the critical dimensions. All markings shall remain legible after galvanizing.

Moving parts such as handles or hinges should be galvanized separately and assembled after galvanizing. All fabricated assemblies shall be so designed with vent and drain holes such that no air is trapped during immersion of the assemblies into cleaning solutions or molten zinc. Welding flux residues shall be removed by standard galvanizing cleaning techniques and are best removed at the gun.

All oil or grease should be removed from both the sheet steel and wire or rod before rolling. These differences include excessively rusted surfaces, pitted surfaces, machined surfaces, cast iron especially with sand inclusion, cast steel, malleable iron, hot-rolled steel, and cold-rolled steel. Whenever different analyses of steel or different surfaces of steel are united in an assembly the galvanized finish is not generally uniform in appearance. Assemblies should consist of elements of similar chemistry and surface condition. This practice covers the precautions that should be taken to obtain high-quality galvanized coatings.

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