IS 11900 : 2024 Tungsten Rods and Tungsten Wires for Lamps and Electron Devices - Specification
1 SCOPE
This standard covers the requirements of two types of drawn tungsten wires suitable for fabrication of parts for lamps and electron devices, and tungsten rods for glass-to-metal sealing.
a) Type 1 - Commercially pure non-sag tungsten wire; and
b) Type 2 - Commercially pure tungsten rod suitable for glass-to-metal sealing.
2 REFERENCES
The standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards:
| IS No. | Title |
| IS 1387 : 1993 | General requirements for the supply of metallurgical materials (second revision) |
| IS 3135 : 1965 | Specification for cathetometer |