GOST 19671-91. Tungsten wire for light sources. Technical specifications.

Tu 11-75
GOST 18903-73
GOST 19671-91
GOST 23949-80
TU 48-19-221-83
TU 48-19-106-91
TU 48-19-527-91
TU 48-19-309-79
TU 48-19-39-85
TU 11-77
Astm C702
Astm B760
Astm B631
Astm B777
Astm E696

BIBLIOGRAPHY

Designation GOST 19671-91
Name in Russian Tungsten wire for light sources. Technical conditions
Name in English Tungsten wire for light sources. Specifications
Date of putting into action 01.01.1993
OKC code 77.150.99
Number of pages 32
Status Valid

This standard applies to tungsten drawn wire of group, A (black) grades BA, BM, VRN, BT-7, BT-10, BT-15, manufactured by powder metallurgy and intended for the production of light sources.

Tests

The material shall be subjected to tests - tensile, and hydrostatic or non-destructive electrical test. The tungsten filament must meet the required mechanical properties - tensile strength, yield strength, and relative elongation.

The supplier

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