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UNI EN ISO 9400 : 1998

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

NICKEL-BASED ALLOYS - DETERMINATION OF RESISTANCE TO INTERGRANULAR CORROSION

Withdrawn date

23-07-2013

Published date

01-01-1998

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Committees responsible
National foreword
Foreword
Section 1: General
1.1 Scope
1.2 Definition
1.3 Apparatus
1.4 Preparation of test specimens
1.5 Sensitization of test specimens
Section 2: Method A - Iron (III) Sulfate - Sulfuric acid
           test
2.1 Scope
2.2 Iron (III) Sulfate - Sulfuric acid test solution
2.3 Preparation of test specimens
2.4 Procedure
2.5 Evaluation
Section 3: Method B - Copper - Copper sulfate - 16%
           sulfuric acid test
3.1 Scope
3.2 Acidified copper sulfate test solution
3.3 Copper
3.4 Preparation of test specimens
3.5 Procedure
3.6 Evaluation
Section 4: Method C - Hydrochloric acid test
4.1 Scope
4.2 Hydrochloric acid test solution
4.3 Preparation of test specimens
4.4 Procedure
4.5 Evaluation
Section 5: Method D - Nitric acid test
5.1 Scope
5.2 Nitric acid test solution
5.3 Apparatus
5.4 Preparation of test specimens
5.5 Procedure
5.6 Evaluation
Annexes
A (informative) Bibliography
Figures
1 Recommended apparatus
2 Alternative flask and condenser for nitric acid
     test

La norma specifica quattro metodi per la determinazione della suscettibilità delle leghe a base di nichel alla corrosione intergranulare. Detti metodi sono destinati a prove di sensibilità alla corrosione intergranulare effettuate in laboratorio e può non sussistere una diretta correlazione con la corrosione intergranulare che si verifica in esercizio a meno che l'ambiente di esercizio sia lo stesso dell'ambiente di prova.

DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Withdrawn

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