Standard Specification for Molybdenum Flattened Wire for Electron Tubes¿
This specification covers two types of molybdenum flattened wire for electron tubes. These types are UNS R03604 and UNS R03603. The material shall conform to the prescribed limits of chemical composition such as carbon, oxygen, nitrogen, hydrogen, aluminum, calcium, silicon, iron, tungsten, potassium, and tin contents. The material shall be tested for hardness, temper, bending, and delamination.
1.1 This specification covers two types of molybdenum flattened wire up to 0.050 in. (1.27 mm) thick and up to 0.375 in. (9.52 mm) wide, specifically for use in electron tubes. The two grades have UNS numbers R03604 and R03603.
1.2 The 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.
1.3 The following safety hazards caveat pertains only to the test method described in this specification (see 10.2). 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.
1.4 This 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.
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