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ASTM-G123:2011 Edition

ASTM-G123:2011 Edition

$40.63

G123-00(2011) Standard Test Method for Evaluating Stress-Corrosion Cracking of Stainless Alloys with Different Nickel Content in Boiling Acidified Sodium Chloride Solution

Published By Publication Date Number of Pages
ASTM 2011 10
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ASTM G123-00-Reapproved2011

Historical Standard: Standard Test Method for Evaluating Stress-Corrosion Cracking of Stainless Alloys with Different Nickel Content in Boiling Acidified Sodium Chloride Solution

ASTM G123

Scope

1.1 This test method describes a procedure for conducting stress-corrosion cracking tests in an acidified boiling sodium chloride solution. This test method is performed in 25% (by mass ) sodium chloride acidified to pH 1.5 with phosphoric acid. This test method is concerned primarily with the test solution and glassware, although a specific style of U-bend test specimen is suggested.

1.2 This test method is designed to provide better correlation with chemical process industry experience for stainless steels than the more severe boiling magnesium chloride test of Practice G36. Some stainless steels which have provided satisfactory service in many environments readily crack in Practice G36, but have not cracked during interlaboratory testing using this sodium chloride test method.

1.3 This boiling sodium chloride test method was used in an interlaboratory test program to evaluate wrought stainless steels, including duplex (ferrite-austenite) stainless and an alloy with up to about 33% nickel. It may also be employed to evaluate these types of materials in the cast or welded conditions.

1.4 This test method detects major effects of composition, heat treatment, microstructure, and stress on the susceptibility of materials to chloride stress-corrosion cracking. Small differences between samples such as heat-to-heat variations of the same grade are not likely to be detected.

1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 7.

Keywords

boiling acidified sodium chloride (NaCl); glassware; histograms; stress corrosion cracking; U-bend specimens; UNS N

ICS Code

ICS Number Code 77.060 (Corrosion of metals)

DOI: 10.1520/G0123-00R11

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
2 Significance and Use
Apparatus
Reagents
FIG. 1
3 Hazards
Test Specimens
Procedure
4 Report
Precision and Bias
Keywords
5 A1. SUGGESTED TEST SPECIMEN
A1.1
A1.2
A1.3
A1.4
FIG. A1.1
FIG. A1.2
6 X1. SUMMARY OF INTERLABORATORY TEST DATA ANALYSIS
X1.1 Test Method
X1.2 Interlaboratory Test Data Analysis Using Histograms
X1.3 Interlaboratory Test Data Analysis Using a Log Normal Distribution
FIG. X1.1
FIG. X1.2
FIG. X1.3
7 X2. STANDARD DATA ENTRY FORMAT
X2.1
X2.2
X2.3
FIG. X1.4
FIG. X1.5
8 TABLE X2.1

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