Tungsten bars(rods)are used to make emission cathodes, high temperature forming rods, support wires, lead-in wires, printer pins, various electrodes, heating elements of quartz furnace, etc
Advantage: 1.Strong and Powerful Using 2.Various sizes available 3.High corrosion resistance 4.Good reputation ,outstanding service ,professional quality control 5.The material is non-lead products ,environment friendly 6.ISO9001
Sizes and Tolerances
Unit:mm
Surface
Size
Swag
Drawn
Chemical Cleaning/
Electrolytic Polishing
Ground
L Tolerance
Dia Tolerance
Ovality
Tolerance
Dia Toleranc
Ovality
Tolerance
Dia Toleranc
Ovality
Tolerance
Dia Toleranc
Ovality
Tolerance
0.2≤d<0.5
-
-
±0.01
0.01
±0.01
0.01
-
-
L<100±1.0
100≤L<300±1.5
300≤L<500±2.0
500≤L<1000±2.5
1000≤L<2000±5.0
0.5≤d<0.8
-
-
±0.02
0.02
±0.02
0.02
±0.01
0.01
0.8≤d<1.0
-
-
±0.02
0.02
±0.02
0.02
±0.02
0.02
1.0≤d<1.8
-
-
±0.03
0.03
±0.03
0.03
±0.02
0.02
1.8≤d<3.5
-
-
±0.05
0.05
±0.05
0.05
±0.03
0.03
3.5≤d<5.0
±0.1
-
-
-
-
-
±0.05
0.05
5.0≤d<9.0
±0.2
-
-
-
-
-
±0.08
0.08
9.0≤d<13.0
±0.3
-
-
-
-
-
±0.10
0.10
13.0≤d<17.0
±0.4
-
-
-
-
-
-
-
Application Area
Production Process
Company Profile
FAQ
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