ASTM B537 PDF

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Find the most up-to-date version of ASTM B at Engineering Purchase your copy of ASTM B – 70() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. ASTM B + REDLINE: STANDARD PRACTICE FOR RATING OF ELECTROPLATED PANELS SUBJECTED TO ATMOSPHERIC EXPOSURE – INCLUDES.

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These photographs and charts4 are 10 by 15 cm 4 by 6 in. Asmt comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Rating 10, accordingly, is arbitrarily assigned to a panel with no defects, and the equation operates at ratings 9 and below.

Originally approved in This method is used with standard-sized panels exposed on standard ASTM racks at outdoor test sites in both natural atmospheres and accelerated test conditions.

The standards represent as nearly as possible the maximum amount of corrosion permissible for a given rating; there is a standard for each rating 1 through 9.

It is not intended for use with anodic sacrificial coatings such as zinc and cadmium on steel. Users of this standard are sstm advised that determination of the validity of 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.

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In that case, an inspection should be made and recorded before the panels are exposed. It may be advisable to physically arrange all v537 the panels in asttm to merit.

Link to Active This link will always route to the current B53 version of the standard. For example, it may be agreed that any panel with a protection rating of 5 is so unacceptable that an appearance rating has no meaning. Enter your account email address to request a password reset: You currently cannot view this content. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

Types of Defects 4.

ASTM B (Reapproved )e1_图文_百度文库

This abstract is a brief summary of the referenced standard. Lighting during inspection should be as nearly uniform as possible; direct re? For example, surface pits that begin to detract from re? No further reproductions authorized. Assignment of Protection Rating 6.

The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. Corrosion pits probably not extending through to the basis metal—that is absence of obvious basis metal corrosion products bleeding therefrom.

If there asm surface defects not accounted for in the protection rating, the appearance rating will be one or more units lower than the protection rating. 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.

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A panel worse than the standard for rating 1 would rate 0.

Guidelines are given below, but judgment factors inevitably enter into the decision. Therefore, the appearance rating cannot axtm assigned with the same degree of precision as can the protection rating. Print 1 2 3 4 5 page sstarting from page current page. No items in cart. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the asttm.

Typical decorative deposits exposed to marine atmospheres often tend to fail by crater rusting, whereas in industrial atmospheres, they asmt more likely to exhibit pinpoint rusting; and the latter atmosphere also tends to be more severe with regard to degradation of the coating system but somewhat less severe with regard to basis metal corrosion.

One method of facilitating this comparison is to remove individual panels from their racks and place them beside other panels.

ASTM B537 – 70(2013)

It is based on experience in use of the method with standard by cm 4- by 6-in. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. Similarly contact and rack marks, mounting holes, and so forth, should be disregarded.

Accordingly, rating numbers shall be derived from the type of defect that exists, that is: