ASTM-E367 Historical Revision Information
Standard Methods for Chemical Analysis of Ferroniobium

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Standard Test Methods for Chemical Analysis of Ferroniobium


1.1 These methods cover the chemical analysis of ferroniobiun having chemical compositions within the following limits:

ElementConcentration, %
Aluminum2.00 max
Carbon0.30 max
Chromium2.00 max
Cobalt0.25 max
Lead0.01 max
Manganese3.00 max
Niobium40.00 to 75.00
Phosphorus0.05 max
Silicon4.00 max
Sulfur0.03 max
Tantalum7.00 max
Tin0.15 max
Titanium5.00 max
Tungsten0.50 max

1.2 The methods appear in the following order:

Niobium, Tantalum, and Titanium by the
Ion-Exchange Method10-31

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 6.

Significance and Use

These methods for the chemical analysis of metals and alloys are primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use these methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.


chemical analysis; ferroniobium; niobium; tantalum; titanium; ICS Number Code 77.040.30 (Chemical analysis of metals)

To find similar documents by ASTM Volume:

03.05 (Analytical Chemistry for Metals, Ores, and Related Materials: E 32 - latest)

To find similar documents by classification:

77.040.30 (Chemical analysis of metals Chemical analysis in general, see 71.040.40 Chemical analysis of ferrous metals, see 77.080 Chemical analysis of ferroalloys, see 77.100 Chemical analysis of non-ferrous metals, see 77.120 Chemical analysis of sintered metals and hard metals, see 77.160)

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Document Number


Revision Level




Modification Type

Revision with Title Change

Publication Date

June 10, 2003

Document Type

Test Method

Page Count

6 pages

Committee Number