Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM G50-76(2003)

Standard Practice for Conducting Atmospheric Corrosion Tests on Metals

Standard Practice for Conducting Atmospheric Corrosion Tests on Metals G0050-76R03 ASTM|G0050-76R03|en-US Standard Practice for Conducting Atmospheric Corrosion Tests on Metals Standard new BOS Vol. 03.02 Committee G01
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Significance and Use

The procedures described herein can be used to evaluate the corrosion resistance of metals when exposed to the weather, as well as to evaluate the relative corrosivity of the atmosphere at specific locations. Because of the variability and complexity of weather effects and the industrial and natural factors influencing the atmospheric corrosivity of a test site, a multi-year exposure period should be considered to minimize their influence. Also, as corrosivity may vary at a site from season to season, exposures should be made either at the same time of the year to minimize variability or these differences should be established by multiple exposures.

Control specimens should always be employed in weathering tests. The control specimens should be from a material having established weathering characteristics. A substantial amount of corrosion data shall have been accumulated for the control specimens. It is also good practice to retain samples of all materials exposed so that possible effects of long-term aging can be measured.

Scope

1.1 This practice defines conditions for exposure of metals and alloys to the weather. It sets forth the general procedures that should be followed in any atmospheric test. It is presented as an aid in conducting atmospheric corrosion tests so that some of the pitfalls of such testing may be avoided. As such, it is concerned mainly with panel exposures to obtain data for comparison purposes.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 03.02
Developed by Subcommittee: G01.04
Pages: 5
DOI: 10.1520/G0050-76R03
ICS Code: 77.060