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tungsten round bar; Tungsten Rod Price; pure tungsten
PRODUCT DESCRIPTION
p
Grade: W1
Standard: ASTM B760
Purity: 99.95% min
Density: 19.1g/cm3
Size: OD1.0mm min.*L2000mm max
Uses: it is suitable for the manufacture of vacuum devices and electric light source parts.
Specifications and Model
Diameter mm |
Black tungsten rod |
Polished tungsten rod |
Length deviation mm |
||
Diameter deviation % |
Roundness % |
Diameter deviation mm |
Roundness% |
||
0.8≤d≤3.0 |
±2 |
2 |
±0.03 |
0.03 |
L≤50±0.550<L≤100±1.0100<L ≤300±1.5300<L≤500±2.0500<L ≤100±2.51000<L≤2000±5 |
3.0<d≤6.5 |
±2 |
2 |
±0.05 |
0.05 |
|
6.5<d≤13.5 |
±2 |
2 |
±0.08 |
0.08 |
|
13.5<d≤25.0 |
±2 |
2 |
±0.15 |
0.15 |
|
25.0<d≤50 |
±2 |
2 |
±0.25 |
0.25 |
|
Processing methods
Sintering, forging, swaging, rolling, polished
The quality requirements of Tungsten rod surface
|
Surface state |
Surface color |
Forged tungsten rod |
No cracks, delamination, burrs, allowing a slight traces of forging |
Allows oxygen Membrane |
Sintering tungsten rod |
No cracks, burrs and obvious ripples, thread, pits, allowing a slight nick does not affect the use of trench |
Black to dark gray |
Polished tungsten rod |
Allowed to have cracks, vertical lines and traces of roughness |
Grade: W1
Standard: ASTM B760
Purity: 99.95% min
Density: 19.1g/cm3
Size: OD1.0mm min.*L2000mm max
Uses: it is suitable for the manufacture of vacuum devices and electric light source parts.
Specifications and Model
Diameter mm |
Black tungsten rod |
Polished tungsten rod |
Length deviation mm |
||
Diameter deviation % |
Roundness % |
Diameter deviation mm |
Roundness% |
||
0.8≤d≤3.0 |
±2 |
2 |
±0.03 |
0.03 |
L≤50±0.550<L≤100±1.0100<L ≤300±1.5300<L≤500±2.0500<L ≤100±2.51000<L≤2000±5 |
3.0<d≤6.5 |
±2 |
2 |
±0.05 |
0.05 |
|
6.5<d≤13.5 |
±2 |
2 |
±0.08 |
0.08 |
|
13.5<d≤25.0 |
±2 |
2 |
±0.15 |
0.15 |
|
25.0<d≤50 |
±2 |
2 |
±0.25 |
0.25 |
|
The quality requirements of Tungsten rod surface
|
Surface state |
Surface color |
Forged tungsten rod |
No cracks, delamination, burrs, allowing a slight traces of forging |
Allows oxygen Membrane |
Sintering tungsten rod |
No cracks, burrs and obvious ripples, thread, pits, allowing a slight nick does not affect the use of trench |
Black to dark gray |
Polished tungsten rod |
Allowed to have cracks, vertical lines and traces of roughness |
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