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ASTM G16-13(2024)

Historical Reaffirmation

Standard Guide for Applying Statistics to Analysis of Corrosion Data

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1.1 This guide covers and presents briefly some generally accepted methods of statistical analyses which are useful in the interpretation of corrosion test results.

1.2 This guide does not cover detailed calculations and methods, but rather covers a range of approaches which have found application in corrosion testing.

1.3 Only those statistical methods that have found wide acceptance in corrosion testing have been considered in this guide.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


3.1 Corrosion test results often show more scatter than many other types of tests because of a variety of factors, including the fact that minor impurities often play a decisive role in controlling corrosion rates. Statistical analysis can be very helpful in allowing investigators to interpret such results, especially in determining when test results differ from one another significantly. This can be a difficult task when a variety of materials are under test, but statistical methods provide a rational approach to this problem.

3.2 Modern data reduction programs in combination with computers have allowed sophisticated statistical analyses on data sets with relative ease. This capability permits investigators to determine if associations exist between many variables and, if so, to develop quantitative expressions relating the variables.

3.3 Statistical evaluation is a necessary step in the analysis of results from any procedure which provides quantitative information. This analysis allows confidence intervals to be estimated from the measured results.

SDO ASTM: ASTM International
Document Number G16
Publication Date May 1, 2024
Language en - English
Page Count 14
Revision Level 13(2024)
Supercedes
Committee G01.05
Publish Date Document Id Type View
Dec. 1, 2013 G0016-13 Revision
Oct. 10, 1999 G0016-95R99E01 Revision
Not Available G0016-71R84 Revision
May 1, 2024 G0016-13R24 Reaffirmation
Feb. 15, 2019 G0016-13R19 Reaffirmation
Feb. 1, 2010 G0016-95R10 Reaffirmation
May 1, 2004 G0016-95R04 Reaffirmation