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Zhuzhou Huanan Tungsten ＆ Molybdenum Industrial Co., Ltd.,
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 Click to enlarge image
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 Origin |
China |
The products are applied for making filament,cathodes,setting rod at H.T.,electrode,lead,support,typing needle etc.
Type & Application
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Type
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Application
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WAL1
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Applied for making filament,cathodes,setting rod at H.t,electrode,lead,support,typing needle etc
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W1
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Applied for making electrode ,lead and heater components.
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Note : Quality is strictly as per GB4181-2003 national standard.
Chemical Composition:
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Type
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W
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Fe
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M0
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Other element
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WAL1
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≥99.95%
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≤0.001%
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≤0.002%
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≤0.001%
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W1
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≥99.95%
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≤0.001%
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≤0.002%
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≤0.001%
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Note : K is not regarded as impurity.
WAL1: K ≥ 75 PPM
Dimension and tolerance
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Varity
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Diameter Range
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Diameter Tolerance
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MIN
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MAX
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Black rod wroughted
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≥3.0mm
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±0.05mm
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±0.10mm
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Straightened rod
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0.5 →3.0mm
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±0.01mm
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±0.01mm
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Ground rod
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≥0.8mm
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±0.01mm
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±0.05mm
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