1.1This specification covers unalloyed molybdenum and molybdenum alloy bar, rod, and wire as follows:
1.1.1Molybdenum 360—Unalloyed vacuum arc-cast molybdenum.
1.1.2Molybdenum 361—Unalloyed powder metallurgy molybdenum.
1.1.3Molybdenum Alloy 363—Vacuum arc-cast molybdenum–0.5 % titanium–0.1 % zirconium (TZM) alloy.
1.1.4Molybdenum Alloy 364—Powder metallurgy molybdenum–0.5 % titanium–0.1 % zirconium (TZM) alloy.
1.1.5Molybdenum 365—Unalloyed vacuum arc-cast molybdenum, low carbon.
1.1.6Molybdenum Alloy 366—Vacuum arc-cast molybdenum, 30 % tungsten alloy.
1.2This specification covers wire no smaller than 0.020 in. (0.51 mm) in diameter or of equivalent cross-sectional area. Specification F289 covers diameters up to 0.020 in. (0.51 mm).
1.3The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4The following precautionary caveat pertains only to the test method portions of this specification: 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5This 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.