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GB/T 4187-1984 Tungsten Rod

time: 2024-09-20 12:37:30
  • GB/T 4187-1984
  • in force

Basic Information

  • Standard ID:

    GB/T 4187-1984

  • Standard Name:

    Tungsten Rod

  • Chinese Name:

    钨杆

  • Standard category:

    National Standard (GB)

  • Date of Release:

    1984-03-09

  • Date of Implementation:

    1984-01-01

standard classification number

  • Standard ICS number:

    Metallurgy>>77.080 Ferrous Metals

  • China Standard Classification Number:

    Metallurgy>>Nonferrous metals and their alloy products>>H63 Rare high melting point metals and their compounds

associated standards

Publication information

Other Information

  • Release date:

    1984-03-09

  • Review date:

    2004-10-14

  • Drafting Organization:

    Shanghai Light Bulb Factory

  • Focal point Organization:

    Ministry of Information Industry (Electronics)

  • Publishing Department:

    Ministry of Information Industry (Electronics)

  • Competent Authority:

    Ministry of Information Industry (Electronics)
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GB/T 4187-1984 Tungsten Rod GB/T4187-1984 Standard Download Decompression Password: www.bzxz.net
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National Standard of the People's Republic of China
Tungsten rods
This standard applies to tungsten rods used in the manufacture of electric vacuum devices and electric light source parts. 1. Brand, purpose and specifications
1.1 The brand and purpose of tungsten rods shall comply with the provisions of Table 1. Table 1
Note: Polished rod material should be used for lead wires. 1.2bzxz.net
The diameter range of tungsten rods shall comply with the provisions of Table 2. Type
Polished tungsten rods
UDC669.27-422
GB 4187-84
Filament, cathode, electron tube parts and gas discharge lamp electrodes, etc. Grid side rods, lead wires, brackets, gas discharge lamp electrodes, etc. Grid side rods, brackets, lead wires and electrodes, etc. Table 2
The shortest length of tungsten rods shall comply with the provisions of Table 3. 1.3
Diameter d
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