Вольфрам
Вольфрамовая проволока
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 |
|
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
|
