Tungsten rod:
Grade: W1,WAL1
Purity:99.95 min
Surface:polished
Application:making filament ,electrode... setting rod etc.
High Purity Tungsten rod's Type & Application

Type Application
WAL1 Applied for making filament,cathodes,setting rod at H.t,electrode,lead,support,typing needle etc
W1 Applied for making electrode ,lead and heater components.

Note : Quality is strictly as per GB4181-2003 national standard.

Chemical Composition:
Type W Fe M0 Other element
WAL1 ≥99.95% ≤0.001% ≤0.002% ≤0.001%
W1 ≥99.95% ≤0.001% ≤0.002% ≤0.001%

Note : K is not regarded as impurity.
WAL1: K ≥ 75 PPM
Dimension and tolerance
Varity Diameter Range Diameter Tolerance
MIN MAX
Black rod wroughted ≥3.0mm ±0.05mm ±0.10mm
Straightened rod 0.5 →3.0mm ±0.01mm ±0.01mm
Ground rod ≥0.8mm ±0.01mm ±0.05mm

产品名称：tungsten rod
产品手机链接：http://m.vooec.com/trade_3052885.html
产品网站链接：http://www.vooec.com/sjshow_3052885/