Pura tungsteno vara

Tungsten Rod(Bar)
■      Tungsten Rod(Bar)
◇     Application
Tungsten rod(bar) is for the application if emission cathode,high-temperature forming rod,support wire,lead-in wire,printer pin,various delectrodes and heating devices of quartz furnace,etc.
◇     Specification
:mm
Surface
Sizes
Swaged
As-Drawn
Cleaned&
Straightened
Ground
Length Tolerance
Diameter
Tolerance
Ovality
Diameter
Tolerance
Ovality
Diameter
Tolerance
Ovality
Diameter
Tolerance
Ovality
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
Note:Tungsten rod(bar),at or thicker than 17mm,or thinner than 0.2mm may be as agreed between supplier and purchaser.