ASTM A386 PDF

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 ASTM-A – EDITION – SUPERSEDED — See the following: ASTM-.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.

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Such inaccessible areas, for example, would be the internal surfaces of certain tanks, poles, pipes, tubes, and so forth.

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 The requirements for malleable iron castings to be galvanized atm be as stated in Speci?

While most coating thicknesses will be in excess of those values, some materials astj each category may be less reactive for example, because of chemistry or surface condition than other materials of the steel category spectrum.

In this case, the minimum number of specimens from each lot shall be as follows: Thanks to Total Materia we have issued real “international” specs for purchase of steels in foreign countries.

The mass, shape, and amount of cold working of the product being galvanized may also affect this condition. Coated steels Standard Number. Some higher-than-standard thicknesses may be impractical or unattainable. Click here to see more. The elements can be added to the galvanizing bath as part of a pre-alloyed zinc feed, or they can be added to the bath by the galvanizer using a master feed alloy.

Practice A provides guidance on steel selection and discusses the effects of various elements in steel compositions for example, siliconthat in? For each specimen as described in 3. NOTE 4—The coating thickness grades in Table 1 represent the minimum value obtainable with a high level of con?

For magnetic thickness measurements, specimen excludes any area of the surface which is subject to processes such as?

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ASTM Standard List: Coated Steels

If the lot is found to be nonconforming by the new sample, the galvanizer has the right to sort the lot for conforming articles asttm individual test, to re-galvanize nonconforming articles, or to renovate the nonconforming articles in accordance with 6. New Developments in Total Materia 10 th January For test by the purchaser after delivery, the lot consists of the single order or the single delivery load, whichever is the smaller, unless the lot identity, established in accordance with the above, is maintained and clearly indicated in the shipment by the galvanizer.

Since surface smoothness is a relative term, minor roughness that does aztm interfere with the intended use of the product, or roughness that is related to the as-received un-galvanized surface condition, steel chemistry, or steel reactivity to zinc 5 6. The galvanizer shall afford the inspector all reasonable facilities to satisfy him that the zinc coating is being furnished in accordance with this speci?

Originally published as A — 28 T. DataPLUS, a new module providing corrosion data, material joining information, material dimensions and tolerances and coatings information helps drive even more accurate material selections! This shall be achieved by an in-plant inspection program designed to maintain the coating thickness,? In such cases, the precision and accuracy of the coating thickness measuring technique should be taken into consideration when rejecting such articles for coating thickness below that required by this speci?

Internal threads are not prohibited from being tapped or retapped after galvanizing. Each system shall be used independently of the other without combining values in any way. If Test Method B is used, the level of sampling shall be agreed upon between the galvanizer and the purchaser at the time the coating order is placed.

Do not use testing carried out at edges or corners points of lowest coating adhesion to determine adhesion of the coating.

ASTM-A | Zinc Coating (Hot-Dip), Assembled Steel Products | Document Center, Inc.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. The result list consists of over ASTM metal standards. Materials and Manufacture 5. A38 B standard spe Enter a phrase to search asm The accuracy of both methods will be in? Purchasers desiring a guarantee of qstm coatings than the minimum thicknesses shown herein should use the special requirements see 4. Within seconds it is also possible for you to find related detailed material property data or search equivalent materials starting from the Total Materia standard list.

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The test method for the new sample shall be selected by mutual agreement between the purchaser and galvanizer. Practices AAand A provide guidance for steel fabrication for optimum hot dip galvanizing and shall be complied with in both design and fabrication.

The minimum average coating 3a86 grade for any specimen shall be one coating grade below that required for the appropriate material category and thickness in Table 1.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. The zinc coating on threaded components of articles galvanized under this speci?

ASTM Standard List: Coated Steels :: Total Materia Article

Our mission is simple; to make Total Materia the one-stop place and first choice of engineers world wide. Minimum average thickness of coating for any individual specimen is one coating grade less than that required in Table 1. For purposes of this speci? Consultation between the designer, fabricator, and galvanizer at appropriate stages in 3a86 design and fabrication process will reduce future problems.