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BS ISO 3651-3:2017

Current
Current

The latest, up-to-date edition.

Determination of resistance to intergranular corrosion of stainless steels Corrosion test for low-Cr ferritic stainless steels
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-06-2017

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Preparation of test specimens
5 Test methods
6 Evaluation by metallographic examination
7 Test report
Bibliography

Describes the determination of the intergranular corrosion susceptibility of low-Cr [less than 16% Cr, less than 0,3% Ni, less than 0,3% Ti and less than 0,3% Nb, less than 0,3% (Ti + Atomic weight ratio Nb)] ferritic stainless steels in the 0,5% sulfuric acid/copper sulfate test.

1.1 This International Standard specifies the determination of the intergranular corrosion susceptibility of low-Cr (less than 16 % Cr, less than 0,3 % Ni, less than 0,3 % Ti and less than 0,3 % Nb, less than 0,3 % (Ti + Nb)) ferritic stainless steels in the 0,5 % sulfuric acid /copper sulfate test. It also specifies the purposes which may be assigned to the test.

1.2 The method is applicable to stainless steels supplied in the form of rolled sheets and welded tubes and intended for use in a mildly oxidizing acid medium.

NOTE It is important to note that the result of the corrosion test is only strictly valid for the corrosive medium used in the test. It constitutes a basis for estimating the resistance to intergranular corrosion but may not be used to check resistance to other forms of corrosion (uniform corrosion, pitting, stress corrosion, etc.). It is necessary for user to adapt the specified corrosion test to the use which will be made of the steels. This test should, in no case, be considered as an absolute criterion of the quality of the metal.

Committee
ISENFE/8
DevelopmentNote
Supersedes 15/30271546 DC. (07/2017)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 3651-3:2017 Identical

ISO 3651-2:1998 Determination of resistance to intergranular corrosion of stainless steels — Part 2: Ferritic,austenitic and ferritic-austenitic (duplex) stainless steels — Corrosion test in media containing sulfuric acid
ISO 8044:2015 Corrosion of metals and alloys Basic terms and definitions
ASTM A 763 : 2015 : REDLINE Standard Practices for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels

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