ISO-9441 › Steel -- Determination of niobium content -- PAR spectrophotometric method

ISO-9441 - 1ST EDITION - CURRENT


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The method is applicable to types of steel with niobium contents between 0,005 % (m/m) and 1,3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A includes additional information on the international co-operative tests. Annex B gives a graphical representation of precision data.

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Document Number

ISO 9441:1988

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 1988

Committee Number

ISO TC 17/SC 1