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ASTM E367-02
M00000181
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ASTM E367-02 Standard Methods for Chemical Analysis of Ferrocolumbium
standard by ASTM International, 10/10/2002
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1.1 These methods cover the chemical analysis of ferrocolumbium having chemical compositions within the following limits:
| Element | Concentration, % |
| Aluminum | 2.00 max |
| Carbon | 0.30 max |
| Chromium | 2.00 max |
| Cobalt | 0.25 max |
| Niobium | 40.00 to 75.00 |
| Lead | 0.01 max |
| Manganese | 3.00 max |
| 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 methods appear in the following order:
| Sections | |
| Niobium, Tantalum, and Titanium by the | |
| Ion-Exchange Method | 9-30 |
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 5.