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ASTM G 28 : 2002 : R2015

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Methods for Detecting Susceptibility to Intergranular Corrosion in Wrought, Nickel-Rich, Chromium-Bearing Alloys
Available format(s)

Hardcopy , PDF

Superseded date

01-13-2023

Language(s)

English

Published date

11-25-2015

CONTAINED IN VOL. 03.02, 2015 Specifies the procedure for conducting the boiling ferric sulfate-50% sulfuric acid test which measures the susceptibility of certain nickel-rich, chromium-bearing alloys to intergranular corrosion, which may be encountered in certain Service environments.

1.1These test methods cover two tests as follows:

1.1.1Method A, Ferric Sulfate-Sulfuric Acid Test (Sections 3 – 10, inclusive)This test method describes the procedure for conducting the boiling ferric sulfate—50 % sulfuric acid test which measures the susceptibility of certain nickel-rich, chromium-bearing alloys to intergranular corrosion (see Terminology G15), which may be encountered in certain service environments. The uniform corrosion rate obtained by this test method, which is a function of minor variations in alloy composition, may easily mask the intergranular corrosion components of the overall corrosion rate on alloys N10276, N06022, N06059, and N06455.

1.1.2Method B, Mixed Acid-Oxidizing Salt Test (Sections 11 – 18, inclusive)This test method describes the procedure for conducting a boiling 23 % sulfuric + 1.2 % hydrochloric + 1 % ferric chloride + 1 % cupric chloride test which measures the susceptibility of certain nickel-rich, chromium-bearing alloys to display a step function increase in corrosion rate when there are high levels of grain boundary precipitation.

1.2The purpose of these two test methods is to detect susceptibility to intergranular corrosion as influenced by variations in processing or composition, or both. Materials shown to be susceptible may or may not be intergranularly corroded in other environments. This must be established independently by specific tests or by service experience.

1.3This 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. Warning statements are given in 5.1.1, 5.1.3, 5.1.9, 13.1.1, and 13.1.11.

Committee
G 01
DocumentType
Test Method
Pages
7
ProductNote
Reconfirmed 2015
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM G 108 : 1994 : R2015 Standard Test Method for Electrochemical Reactivation (EPR) for Detecting Sensitization of AISI Type 304 and 304L Stainless Steels
ASTM B 1015 : 2020 Standard Practice for Form and Style of Standards Relating to Refined Nickel and Cobalt and Their Alloys
ASTM B 834 : 2022 Standard Specification for Pressure Consolidated Powder Nickel Alloy Pipe Flanges, Fittings, Valves, and Parts
ASTM G 31 : 2021 Standard Guide for Laboratory Immersion Corrosion Testing of Metals
ASTM B 444 : 2018 Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys<brk/> (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube

ASTM A 262 : 2015 : REDLINE Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
ASTM D 1193 : 1977 : R1983 : EDT 1 Standard Specification for Reagent Water
ASTM A 262 : 2001 Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
ASTM D 1193 : 2006 : R2011 Standard Specification for Reagent Water
ASTM A 262 : 1998 Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
ASTM D 1193 : 1991 Standard Specification for Reagent Water
ASTM A 262 : 2015 Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
ASTM D 1193 : 1970 Standard Specification For Reagent Water
ASTM D 1193 : 2006 Standard Specification for Reagent Water
ASTM D 1193 : 1999 Standard Specification for Reagent Water
ASTM D 1193 : 2006 : R2018 Standard Specification for Reagent Water
ASTM A 262 : 2015 : R2021 Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

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