Introduction Of Our Tungsten Wire And Tungsten Rod
 
Type
W Content
Applicatin Of Tungsten Wire
WAL 1
99.92% min
Filament,Colied-Coil,Grid,Cathode Filament,Folded Filament and Stranded W Wire etc
WAL 2
99.92% min
Filament,Heat-element,Grid,Cathode Filament,Stranded W-Wire,W-Heater Element etc
W-a
99.95% min
Electrodes,Heating Components and stranded Tungsten Wire etc
W-b
99.92% min
Grid Siderods,Leading Wire and Stranded Tungsten Wire etc
　
　
　
　
Deviation of Weight & Diameter
Deviation Of Weight & Diameter of W-Wire
Weight
Deviation(%)
Diameter
Deviation(%)
(mg/200mm)
Grade-0
Grade-1
Grade-2
(um)
Grade-1
Grade-2
0.075~0.300
 　
+/-4
+/-5
[5,10]
 　 　
>0.300~0.980
 　
3
4
[10,18]
 　 　
>0.980~4.850
+/-2
2.5
3
[18,40]
 　 　
>4.850~19.930
1.5
2.0
2.5
[40,80]
 　 　
>19.39~272.71
1.0
1.5
2.0
[80,300]
 　 　
>272.71~371.19
 　
1.0
1.5
[300,350]
 　 　
　 　 　 　
[350,500]
+/-1.5
+/-2.0
　 　 　 　
[500,1800]
1.0
1.5
Type
W Content
Application Of tungsten Rod
WAL 1
99.92% min
Lamp filaments,cathodes,Parts for Electron Tubes and Electrodes for Gas Discharge Lamps etc
WAL 2
99.92% min
WAL 3
99.92% min
Grid siderods,Leading Wire,Supports and Electrodes for gas Discharge Lamps etc
W-a
99.95% min
Grid Wire and other components with elongation requirements
W-b
99.92% min
Product State Diameter Allowable Deviation and Length
Product State
Range of D(mm)
Allowable Deviation of D
Shortest Lenght
Swaged
2.8~11.0
+/-2.0%
400mm
Straightened
0.8~3.0
+/-2.0%
1000mm
finished
0.8~3.0
+/-0.03mm
800mm
>3.0~6.5
+/-0.05mm
300mm
>6.5~10.0
+/-0.08mm
200mm
Type 
Mo Content
Application of Molybdenum Wire
Mo1
99.93% min
Mandrel, Wire for Spark Profile Cutting, Hook, etc
Mo2
99.90% min
Grid Siderod, Support and Lead ,etc
Mo3
99.73% min
Grid Wire and other components with elongation requirements
　
　
　
Diameter Weight and Tolerance of Mo Wire
Diameter(um)
Weight
Weight Tolerance(%)
Diameter Tolerance(%)
Mg/200mm
Grade-1
Grade-2
Grade-1
Grade-2
[20,30]
0.65~1.47
+/-2.5
 　 　 　
[30,40]
>1.47~2.61
2.0
 　 　 　
[40,100]
2.61~16.33
1.5
+/-3
 　 　
[100,400]
16.33~256.20
1.5
 　 　 　
[400,600]
 　 　 　
+/-1.5
+/-2.5
[600,2500]
 　 　 　
1.0
2.0
Type 
W Content
Introduction of Tungsten Bar
C free (% max.)
C Total (%)
Particle Size (mesh)
STA
95%-96%
0.8
3.9+/-0.1
20~30
STB
95%-96%
0.8
3.9+/-0.1
30~40
STC
95%-96%
0.8
3.9+/-0.1
40~60
STD
95%-96%
0.8
3.9+/-0.1
60~80
Any particular requirements to our above mentioned Tungsten and Molybdenum products will be welcomed and discussed. 

We can supply Stranded Tungsten Wire and Tungsten Contact according to your requirement.