ASTM A385 PDF

ASTM A gives information on recommended steel chemistry for steel to be galvanized, as well as required venting/drainage hole. ASTM A/A M. Standard Practice for Providing High-Quality Zinc Coatings (Hot-Dip) provides details on steel selection and other design practices such as. ASTM Apdf – Download as PDF File .pdf), Text File .txt) or read online.

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The adherence requirement is the same as A, for strong bond throughout the life of the hot-dip galvanized steel. This specification covers cold-formed welded and seamless carbon steel round, square, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes. The elements carbon in turer, and galvanizer should determine the steel selection.

This is the most desirable situation.

The experience of the steel supplier, designer, manufac- an influence on the coating structure. Steel materials and nuts shall be manufactured, processed, and formed as appropriate for their respective grades. Overlapping or Contacting Surfaces or Both 5.

This specification covers zinc metal made from ore or other material by a process of distillation or by electrolysis in five grades as follows: Marking for Identification Should this occur on screws, scale removal prior to shall be vented.

A requires a continuous, smooth, and uniform finish with no uncoated areas including on the threads or issues that interfere with its intended use. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. All markings shall remain legible after galvanizing.

Work Item s – proposed revisions of this standard. Originally approved in This specification covers prime western grade-recycled PWG-R zinc made by recycling zinc secondary materials including but not limited to drosses and skimmings. For small cross sections, larger percent in Specification A This is much superior threaded area.

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Where internal venting is not 7.

ASTM A / AM – 11 Standard Practice for Providing High-Quality Zinc Coatings (Hot-Dip)

Requirements concerning the renovation of uncoated areas after initial hot-dip galvanizing are contained within the material specifications A, A, A The requirements of this specification are very similar to those in A, except for the addition of threaded products and embrittlement requirements. Users of this standard are expressly advised that determination of the validity asym any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Current edition approved April 10, Assemblies should consist of elements of similar chemistry and surface condition.

Traditionally however, steel grating has been 4. There z385 also evidence that these coatings are 3. Enter the email address you signed up with and we’ll email you a reset link.

Historical Version s – view previous versions of standard. It is the responsibility of the designer and fabricator to ensure the product has been properly designed and built before the hot-dip galvanizing process supporting specifications. Standard Axtm for Zinc Hot-Dip Galvanized Coatings on Iron and Steel Products covers individual steel pieces as well as assemblies of various classes of material.

What are the differences between ASTM A123/A123M and ASTM A385?

Shearing, Cutting and Punching Before Galvanizing 9. However, if the galvanizer has to perform additional work in order to wstm the product for hot-dip galvanizing, such as drilling holes to facilitate drainage or venting, the galvanizer will communicate and resolve the issue with the customer. The following is a summary of the various pertinent hot-dip galvanizing specifications.

The purpose of the calculation is to provide justification for the purchase of a higher initial cost system with a low life-cycle cost over an initially less expensive coating which has high future costs. Link to Active This link will always route to the current Active version of the standard. It may also be known by its trade name, e.

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Similarly these holes shall allow all solutions and molten 6. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for asttm use and application. Moving parts such as handles or hinges should be galvanized separately and assembled after galvanizing. Vent holes or asgm area around the blasting of the entire assembly will normally improve galva- adjoining surfaces should be provided through one or both nizing quality.

In addition, a layer of the until after an item has been galvanized. It may scribed in Section 3. Asgm test method deals with the standard procedures for establishing the relative bond strength of steel reinforcing bars in concrete using beam-end specimens. Qstm, the adherence requirement is for the entire coating to have a strong adherence throughout the service life of the galvanized steel.

Click here to sign up. This abstract is a brief summary of the referenced standard. Gusset plates shall not be spaced closer than 36 in. All fabricated assemblies shall be designed with vent and drain holes such that no air is trapped during immersion of the assemblies into cleaning solutions or molten zinc.

ASTM Specifications

KnowledgeBase What is EN ? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. All steel should be degreased before pickling and in the with a minimum area of 0. Log In Sign Up. Finally, there are requirements for passivating the material chromating to prevent reaction between concrete and the zinc coating, and on bend diameters.