ISO 3651-1-1998

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AReference numbe

ISO 3651-1:1998

(

)

INTERNATIONAL

STANDARD ISO

3651-1

Second edition

1998-05-15

Determination of resistance to intergranular

corrosion of stainless steels —

Part 1:

Austenitic and ferritic-austenitic (duplex)

stainless steels — Corrosion test in nitric acid

medium by measurement of loss in mass

(Huey test)

Détermination de la résistance à la corrosion intergranulaire des aciers

inoxydables —

Partie 1: Aciers inoxydables austénitiques et austéno-ferritiques (duplex) —

Essai de corrosion en milieu acide nitrique par mesurage de la perte de

masse (essai de Huey)

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ISO 3651-1:1998(E)

or utilized in any form or by any means, electronic or mechanical, including photocopying and

microfilm, without permission in writing from the publisher.

International Organization for Standardization

Case postale 56 • CH-1211 Genève 20 • Switzerland

Internet iso@iso.ch

Printed in Switzerland

Contents Page

1Scope ............................................................................ 1

2Purpose of the test ........................................................ 1

2.1 Verification of the intrinsic resistance of

the alloy to intergranular corrosion ....................... 1

2.2 Inspection of the efficiency of the solution

treatment .............................................................. 1

3Heat treatment of sensitization ...................................... 2

4Corrosion test ................................................................ 2

4.1 Principle ............................................................... 2

4.2 Test pieces ........................................................... 2

5Apparatus ...................................................................... 3

6Corrosive solution .......................................................... 5

7Procedure ...................................................................... 5

8Calculation ..................................................................... 5

9Test report ..................................................................... 6

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iii

Foreword

ISO (the International Organization for Standardization) is a

worldwide federation of national standards bodies (ISO member

bodies). The work of preparing International Standards is normally

carried out through ISO technical committees. Each member body

interested in a subject for which a technical committee has been

established has the right to be represented on that committee.

International organizations, governmental and non-governmental, in

liaison with ISO, also take part in the work. ISO collaborates closely

with the International Electrotechnical Commission (IEC) on all

matters of electrotechnical standardization.

Draft International Standards adopted by the technical committees

are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the

member bodies casting a vote.

International Standard ISO 3651-1 was prepared by Technical

Committee ISO/TC 17,

Steel

, Subcommittee SC 7,

Methods of

testing (other than mechanical tests and chemical analysis)

This second edition cancels and replaces the first edition

(ISO 3651-1:1976), which has been technically revised.

ISO 3651 consists of the following parts, under the general title

Determination of resistance to intergranular corrosion of stainless

steels

— Part 1: Austenitic and ferritic-austenitic (duplex) stainless steels

— Corrosion test in nitric acid medium by measurement of loss

in mass (Huey test)

— Part 2: Ferritic, austenitic and ferritic-austenitic (duplex) stainless

steels — Corrosion test in media containing sulfuric acid

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标签： #ISO

摘要：

ISO 3651-1-1998 是一项国际标准，专门规定了不锈钢在特定环境下抗晶间腐蚀性能的测定方法，适用于评估奥氏体和铁素体不锈钢在硝酸介质中的耐腐蚀能力。该标准通过提供详细的试验程序、样品准备要求及腐蚀评价准则，帮助制造商、检测机构和工程用户确保不锈钢材料在化工、核能及食品设备等严苛应用中的长期可靠性。遵循 ISO 3651-1-1998 不仅有助于提升产品质量与安全性，还能满足国际合规性审查，是材料选型与质量控制中不可或缺的技术依据。

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ISO 3651-1-1998

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