Tungsten

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Tungsten

Tungsten wire

Material: Pure tungsten

Purity: ≥99.95%

Diameter: 0.02~2.0mm

Density: 19.3g/cm3

Technology: Powder metallurgy

Size and tolerance

Diameter (μm)
200mm weight
200mm weight tolerance (%)
Diameter (%)
0 grade
Ⅰgrade
Ⅱgrade
0 grade
Ⅰgrade
Ⅱgrade
5~12
0.075~0.44
-
±4
±5
-
-
-
12~18
0.44~0.98
-
±3
±4
-
-
-
18~40
0.98~4.85
±2
±2.5
±3
-
-
-
40~80
4.85~19.39
±1.5
±2.0
±2.5
-
-
-
80~300
19.39~272.71
±1.0
±1.5
±2.0;
-
-
-
300~350
272.71~371.79
-
±1.0
±1.5
-
-
-
350~500
-
-
-
-
±1.5
±2.0
±2.5
500~2000
-
-
-
-
±1.0
±1.5
±2.0

Chemical composition

Purity
Impurity content
≥99.95%
Single element
Total element
≤0.01%
≤0.05%

Tungsten tube

Material: Pure tungsten

Purity: ≥99.95%

Size: OD: 6.0~200mm, ID: 3.0~180mm, Length: ≤1500

Density: 18.2g~19.3g/cm3

Technology: Powder metallurgy

Application:

It is mainly used for thermocouple protection tube in high temperature furnace, sapphire single crystal furnace, support element of high temperature sintering furnace, etc

Size (mm)

Product name
OD
ID
Length
Tungsten tube
6.0~200
3.0~180
≤1500

Chemical composition

Purity
Impurity content
≥99.95%
Single element
Total element
≤0.01%
≤0.05%

Tungsten bar

Material: Pure tungsten

Purity: ≥99.95%

Diameter: 0.8~100mm

Status: Forging, Machining, Polishing

Density: 18.2g~19.3g/cm3

Technology: Powder metallurgy

Size and tolerance

Diameter (mm)
Black bar
Polishing bar
Length tolerance (mm)
Diameter tolerance (%)
Diameter tolerance (mm)
0.8~3.0
±2
±0.03

L≤50±0.5
L≤100±1.0
L≤100±1.0
L≤300±1.5
L≤300±1.5
L≤500±2.0
L≤1000±2.5
L≤2000±5

3.0~6.5
±2
±0.05
6.5~13.5
±2
±0.08
13.5~25.0
±2
±0.15
25.0~50
±2
±0.25
50~100
±2
±0.30

Tungsten sheet

Material: Pure tungsten

Size: Thickness: 0.1~45mm, Width: ≤450mm, Length: ≤1500mm

Standard: ASTM B760

Density: 18.2g~19.3g/cm3

Technology: Powder metallurgy

Application

Vacuum coating of vessel

Electric light source component and electric vacuum device

Medical diagnosis and treatment equipment

Radiation and interference shielding

Production of tungsten crucible, tungsten ship, high temperature furnace heat shield, heating element

Size (mm)

Product name
Thickness
Width
Length
Tungsten sheet
0.1~45
≤450
≤1500

SPECIFICATION

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