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Pure Tungsten Rod

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.

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