1.1 This test method covers the X-ray emission analysis of 6Al-4V titanium alloy for the following elements in the ranges indicated (Note 1):
| Element | Concentration Range, % |
| Aluminum | 4.6 to 7.2 |
| Vanadium | 2.6 to 5.4 |
| Iron | 0.1 to 0.3 |
Note 18212;The concentration ranges can be extended by use of suitable reference materials. The ranges for aluminum and vanadium represent the actual concentration ranges of the NIST Standard Reference Materials used when this method was tested. The maximum concentrations of the unknowns used in the cooperative test program were all lower than the reference materials. The iron concentration range was determined by in-house reference materials used by the cooperating laboratories.
1.2 This test method is designed for control analysis in the production of titanium alloys and for inspection testing of the product shipped to the consumer. It is applicable for analyzing cast or wrought samples having a diameter of approximately 32 mm and a thickness of approximately 25 mm.
Note 28212;Samples of greater or lesser size than the size designed may be used with specially designed sample holders.
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 the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 8.
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