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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In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. Current edition approved Oct.

ASTM B (Reapproved )e1_图文_百度文库

Remember me for one month. Last previous edition approved in as B — 70 These photographs and charts4 are 10 by 15 cm 4 by 6 in. Assignment of Appearance Rating 7.

Inspection should be made in the as-is condition, adtm defects to be taken into account are only those that can be seen with the unaided eye at normal reading distance. Since corrosion of the substrate also detracts from appearance, the appearance rating can be no higher than the protection rating.

Peeling of the coating from the substrate, or of one coat from another, is the principal such defect. If you like to setup a quick demo, let us know at support madcad.

Types of Defects 4.

ASTM B537 – 70(2013)

At the n537 of the inspector, this difficulty may be handled as follows: Preparation for and Manner of Inspection NOTE 4—It may be desirable to expose panels for test even though they are defective in certain respects before exposure.


Original adjunct produced in A number in parentheses indicates the year of last reapproval.

Therefore, the asttm rating cannot be assigned with the same degree of precision as can the protection rating. 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.

Please login to your authorized staff account to use this feature. Corrosion pits probably not extending through to the basis metal—that is absence of obvious basis metal corrosion products bleeding therefrom.

A superscript epsilon e indicates an editorial change b357 the last revision or reapproval. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Lighting during inspection should be as nearly uniform as possible; direct re? Are you sure you want to empty the cart?

It is based on experience in use of the method with standard by cm 4- by 6-in. If dirt, salt deposits, and so forth, make it b5377 to inspect them, panels may be sponged with a mild soap solution followed by water rinse; but no pressure should be exerted in this procedure such as would tend to upgrade the rating by, for example, cleaning off rust or rust stain.


Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Enter your account email address to request a password reset: Rating 10, accordingly, is arbitrarily assigned to a panel with no defects, and the equation operates at ratings 9 and below.

The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. Fractional ratings below 9, although normally not especially useful, may be assigned if desired. 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.

Any modifications needed to adapt the method to aatm actual production parts are not considered in this practice.

Historical Version s – view previous versions of standard. Panels should be allowed to dry before inspecting them. Similarly contact and rack marks, mounting holes, and so forth, should be disregarded.

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.