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ASTM E367-22

Current Revision

Standard Test Methods for Chemical Analysis of Ferroniobium

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

 

Element

Composition, %

 

Aluminum

2.00 max

 

Carbon

0.30 max

 

Chromium

2.00 max

 

Cobalt

0.25 max

 

Lead

0.01 max

 

Manganese

3.00 max

 

Niobium

40.00 to 75.00

 

Phosphorus

0.05 max

 

Silicon

4.00 max

 

Sulfur

0.03 max

 

Tantalum

7.00 max

 

Tin

0.15 max

 

Titanium

5.00 max

 

Tungsten

0.50 max

1.2 The test methods appear in the following order:

 

Sections

Separation of Niobium, Tantalum, and Titanium by the Ion-Exchange Test Method

15 and 16

 

 

Titanium by the Spectrophotometric Test Method [0.05 % to 5.0 %]

17 – 21

 

 

Niobium by the Gravimetric Test Method [40 % to 75 %]

22 – 23

 

 

Tantalum by the Gravimetric Test Method [1 % to 7 %]

24 – 25

 

 

Tantalum by the Spectrophotometric Test Method [0.25 % to 1 %]

26 – 30

1.3 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 6, and specific warning statements in 11.1.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 These test methods for the chemical analysis of ferroniobium alloy are primarily intended to test such materials for compliance with compositional specifications such as Specification A550. It is assumed that all who use these test 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.

SDO ASTM: ASTM International
Document Number E367
Publication Date June 15, 2022
Language en - English
Page Count 7
Revision Level 22
Supercedes
Committee E01.01
Publish Date Document Id Type View
June 15, 2022 E0367-22 Revision
May 1, 2016 E0367-16 Revision
Oct. 1, 2009 E0367-09 Revision
June 10, 2003 E0367-03 Revision
Oct. 10, 2002 E0367-02 Revision
Jan. 1, 1983 E0367-83R97E01 Reaffirmation