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EN ISO 10270:2008

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Corrosion of metals and alloys - Aqueous corrosion testing of zirconium alloys for use in nuclear power reactors (ISO 10270:1995, including Cor 1:1997)
Superseded date

04-03-2022

Published date

16-04-2008

1 Scope
2 Normative references
3 Definitions
   3.1 etching
   3.2 control coupons
   3.3 high mass gain coupons
4 Principle
5 Significance
6 Interference
7 Reagents and materials
8 Apparatus
   8.1 General
9 Hazards
10 Sampling, test specimens and test units
11 Preparation of apparatus
12 Calibration and standardization
   12.1 High mass gain coupon preparation
   12.2 Autoclaves
   12.3 Use of control coupons
   12.4 Calibration
13 Conditioning
   13.1 Test water quality
   13.2 Autoclave load restrictions
   13.3 Test conditions
        13.3.1 Temperature
        13.3.2 Pressure
        13.3.3 Time
        13.3.4 Tests
   13.4 Specimen preparation
        13.4.1 Etched specimens
        13.4.2 As-manufacturer specimens
14 Procedure
   14.1 Inspection of specimens
   14.2 Dimensions, weight and inspection
   14.3 Autoclaving
        14.3.1 Placing of test specimens
        14.3.2 Venting method A
        14.3.3 Venting method B
        14.3.4 Closed system method C
        14.3.5 Refreshed autoclaving, method D
   14.4 Post-test measurements and inspection
15 Calculation or interpretation of results
   15.1 Calculation of mass gain
   15.2 Visual interpretation of surface appearance
   15.3 Invalid tests
16 Test report
Annex A (informative) - Guide to specimen preparation
        A.1 Tubes with a second material clad on inner diameter
        A.2 Cleaning
        A.3 Etching
        A.4 Preliminary rinse
        A.5 Final rinse
        A.6 Drying
Annex B (informative) - Bibliography

Specifies methods for the determination of mass gain and for the surface inspection of products of zirconium and its alloys when corrosion tested in water at 360 °C or in steam at or above 400 °C. Applicable to wrought products, castings and powder metallurgical products.

Committee
CEN/TC 262
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

ISO 5813:1983 Water quality — Determination of dissolved oxygen — Iodometric method
ISO 5814:2012 Water quality — Determination of dissolved oxygen — Electrochemical probe method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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