ASTM E367-16
- standard by ASTM International, 05/01/2016
- Standard Test Methods for Chemical Analysis of Ferroniobium
- Category: ASTM
$64.00
$32.00
Full Description
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 - Product Details
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