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CEN
EN ISO 439:2010

EN ISO 439:2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Steel and iron - Determination of total silicon content - Gravimetric method (ISO 439:1994)

Superseded date

03-07-2020

Published date

04-21-2010

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Test report
Annex A (informative) - Additional information on the
        international cooperative tests
Annex B (informative) - Graphical representation of
        precision data

The document specifies a gravimetric method for the determination of the total silicon content in steel and iron. The method is apllicable to silicon contents between 0,10 % (m/m) and 5,0 % (m/m). For samples containing molybdenum, niobium, tantalum, titanium, tungsten, zirconium or high levels of chromium, the result are less precise than for unalloyed steels.

Committee
CEN/TC 459/SC 2
DevelopmentNote
Supersedes PREN ISO 439. (11/2010)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

CEN/TR 10261:2013 Iron and steel - European standards for the determination of chemical composition
PD CEN/TR 10261:2013 Iron and steel. European standards for the determination of chemical composition

ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
ISO 648:2008 Laboratory glassware — Single-volume pipettes
ISO 377-2:1989 Selection and preparation of samples and test pieces of wrought steels Part 2: Samples for the determination of the chemical composition
ISO 385-1:1984 Laboratory glassware — Burettes — Part 1: General requirements
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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