ASTM-A › Zinc Coating (Hot-Dip), Assembled Steel Products. ASTM-A – EDITION – SUPERSEDED — See the following: ASTM-. in Specifications A and A This ASTM Standards A47/ A47M 1 This specification is under the jurisdiction of ASTM Committee A05 on. ASTM AAM Standard Specification for Zinc – Standard A and A shall be done using the metric equivalent of the test.
|Published (Last):||22 February 2009|
|PDF File Size:||1.46 Mb|
|ePub File Size:||13.93 Mb|
|Price:||Free* [*Free Regsitration Required]|
NOTE 5—Inaccessible surface areas are those which cannot be reached for appropriate surface preparation and application of repair materials as described in Practice A In the case of atm in SI units, all testing and inspection 1 This speci? The average of no less than? If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
Terminology A contains other terms and de?
The use of these trace elements is permitted provided that the bulk chemistry of the galvanizing bath is at least In the case of an article a3866 more than one material category or steel thickness range as delineated in Table 1, that article will contain more than one specimen, as appropriate see Fig. Each system shall be used independently of the other without combining values in any way. The thickness of coating thus obtained is the test article coating thickness, or in the case of a specimen removed from a test article, is the specimen average coating thickness.
A superscript epsilon e indicates an editorial change since the last revision or reapproval. By mutual agreement, the galvanizer is not prohibited from submitting the lot remaining after sorting astk removing nonconforming articles without replacement of the nonconforming articles. Inspection, Rejection, and Retest 9.
In such case, the now-smaller lot shall be treated as a new lot for purposes of inspection and acceptance. Materials and Manufacture 5. With Total Materia finding information about a metal standard specification, axtm current status and the materials it defines is one click away.
The average of the? Surface conditions related to de? Release Satm, a new module providing corrosion data, material joining information, material dimensions and tolerances and coatings information helps drive even more accurate material selections!
Search Knowledge Base Enter a phrase to search for: In addition, the purchaser should anticipate the need for test batches or extra preparation steps, or both, such as blasting before galvanizing or other methods, to attempt to reach the higher requirements with consistency. NOTE 3—The galvanizer may choose to add trace amounts of certain elements for example, aluminum, nickel, and tin to the zinc bath to help in the processing of certain reactive steels or to enhance the cosmetic appearance of the?
NOTE 7—Items which are prepared z386 galvanizing by abrasive cleaning will generally develop a thicker coating with a moderately rougher surface.
ASTM A – Withdrawn Specification for Zinc Coating (Hot-Dip) on Assembled Steel Products
Metallic coated carbon steel wire coated at size for mechanical springs Composite ribbed steel pipe, pre-coated and polyethylene lined sewer pipe application Flexible poly vinyl chloride PVC gaskets used in connection of water closets to sanitary drainage system. These tests shall not be required unless strong evidence of embrittlement is present. The thickness thus determined is a point value. While most coating thicknesses will be in excess of those values, some materials in each category may be less reactive for example, because of chemistry or surface condition than other materials of the steel category spectrum.
This article contains a list of standards that covers among other things: NOTE 1—Each specimen comprises nominally one third of the total surface area of the article. NOTE 2—The presence in steels and weld metal, in certain percentages, of some elements such as silicon, carbon, and phosphorus tends to accelerate the growth of the zinc-iron alloy layer so that the coating may have a matte?
Originally published as A — 28 T. For magnetic thickness measurements, specimen excludes any area of the surface which is subject to processes such as? Internal threads are not prohibited from being tapped or retapped after galvanizing.
Inchpound units and S386 units are not necessarily exact equivalents.
ASTM specifications represent s386 consensus among producers, specifiers, fabricators, and users of steel mill products. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
The zinc coating on threaded components of articles galvanized under this speci?
ASTM Standard List: Coated Steels
Minimum average thickness of coating for any individual specimen is one coating grade less than that required in Table 1. However, by agreement the purchaser is not prohibited from making tests which govern the acceptance or rejection of the materials in his own laboratory or elsewhere. Part Two Asym Manganese Steels: The other values are based on asm using the following formulas: Last previous edition A — 01a.
For thickness testing purposes, the entire surface area of each unit of product constitutes a specimen.
Introduction to Total Materia 7 th February Our mission is simple; to make Total Materia the one-stop place and first choice of engineers world wide. DataPLUS, a new module providing corrosion data, material joining information, material dimensions and tolerances and coatings information helps drive even more accurate material selections! NOTE atsm requirements for the? Some higher-than-standard thicknesses may be impractical or unattainable.
These inclusions are raised surfaces and are easily knocked off FIG. If the lot is found to be nonconforming by a836 new sample, the galvanizer has the right to sort the lot for conforming articles by individual test, to re-galvanize non-conforming articles, or to renovate the nonconforming articles in accordance with 6.