GOST 18903-73. A tungsten wire. Assortment.
|Status of the standard:||current|
|The name Rus.:||A tungsten wire. Assortment|
|Title eng.:||Tungsten wire. Assortment|
|Date of enactment:||01.01.1976|
|The scope and conditions of use:||This standard applies to wire made of tungsten made by powder metallurgy used in the manufacture of electronic devices and light sources|
|List of changes:||No. 1 --1980−10−01 (reg. --1980−04−09) «expiration date extended"|
No. 2 --1987−01−01 (reg. --1986−07−23) «expiration date extended»
The material must be susceptible to testing — tensile, and hydrostatic or nondestructive electric test. The tungsten filament must meet the required mechanical properties — the tensile strength of tensile, yield strength, elongation.
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