
Questions & Answers
Metal grades of tungsten wire
The wire is produced from the following grades of tungsten: VTs, VI, VL, VT, VRN, VA-1, VA.
Tungsten wire standards
International standards:
ISO 4957 - Refractory materials;
ISO 9001 - Production quality control.
GOST standards:
GOST 24297-2013 - Incoming inspection of metal products;
GOST 14339.1-91 - Determination of impurities;
GOST 14339.0-91 - Tungsten analysis methods;
GOST 18903-73 - Tungsten products;
GOST 19671-91 - Tungsten wire.
Tungsten wire weight chart
| Diameter, mm | Cross-sectional area, mm² | Weight of 1 m, g | Weight 100 m, kg |
| 0,02 | 0,00031 | 0,006 | 0,0006 |
| 0,05 | 0,00196 | 0,038 | 0,0038 |
| 0,1 | 0,00785 | 0,151 | 0,015 |
| 0,2 | 0,0314 | 0,606 | 0,061 |
| 0,3 | 0,0707 | 1,36 | 0,136 |
| 0,5 | 0,1963 | 3,79 | 0,379 |
| 0,8 | 0,5027 | 9,7 | 0,97 |
| 1,0 | 0,7854 | 15,2 | 1,52 |
| 1,5 | 1,767 | 34,1 | 3,41 |
| 2,0 | 3,142 | 60,6 | 6,06 |
| 3,0 | 7,069 | 136 | 13,6 |
| 5,0 | 19,635 | 379 | 37,9 |




