1.2 This test method is applicable to mixtures of tungsten or tungsten carbide with additions of refractory metal carbides and binder metals. Table 1 lists the most common elemental constituents and their concentration range. Note that many of these occur as metallic carbides.
TABLE 1 Elemental Constituents and Concentration Range
Element | Concentration, Mass % (minimum - maximum) |
Chromium (Cr) | 0.05 - 5.0 |
Cobalt (Co) | 0.05 - 408201; |
Hafnium (Hf) | 0.05 - 2.0 |
Iron (Fe) | 0.05 - 2.0 |
ASTM B890-07(2012) Referenced Document
- ASTM E135 Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
- ASTM E1361 Standard Guide for Correction of Interelement Effects in X-Ray Spectrometric Analysis
ASTM B890-07(2012) history
- 2020 ASTM B890-20 Standard Test Method for Determination of Metallic Constituents of Tungsten Alloys and Tungsten Hardmetals by X-Ray Fluorescence Spectrometry
- 2007 ASTM B890-07(2012) Standard Test Method for Determination of Metallic Constituents of Tungsten Alloys and Tungsten Hardmetals by X-Ray Fluorescence Spectrometry
- 2007 ASTM B890-07 Standard Test Method for Determination of Metallic Constituents of Tungsten Alloys and Tungsten Hardmetals by X-Ray Fluorescence Spectrometry
- 2002 ASTM B890-02 Standard Test Method for Determination of Metallic Constituents of Tungsten Alloys and Tungsten Hardmetals by X-Ray Fluorescence Spectrometry
- 1998 ASTM B890-98 Standard Test Method for Determination of Metallic Constituents of Tungsten Alloys and Tungsten Hardmetals by X-Ray Fluorescence Spectrometry
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