This specification covers wrought unalloyed tungsten plate, sheet, and foil. The various tungsten flat products covered by this specification shall be formed with the conventional rolling, forging, or extrusion equipment, normally found in primary ferrous and nonferrous plants. The ingot metal shall be consolidated employing either the powder metallurgy or vacuum-arc-casting process. The materials shall conform to the required chemical composition for carbon, oxygen, nitrogen, iron, nickel, and silicon. Plate, sheet, and foil shall be furnished in the following metallurgical condition: hot-rolled, stress relieved, and cold-rolled. The materials shall also conform to the required permissible variations in physical dimensions such as thickness, width, length, and flatness.
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1.1 This specification covers wrought unalloyed tungsten plate, sheet, and foil.
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 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
foil; plate; sheet; tungsten;
ICS Number Code 77.150.10 (Aluminium products)
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