china supplier pure tungsten bar
pure tungsten bar is mainly used to found ingredient of material, cutter and heads, tungsten s instruments, electric points and conductor of heat, crankshaft and cylinder barrel of advanced automobile, ingredient of kinds of heat-resistant steel. Also used for making special steels, to make guns, artillery rockets, satellite airplane and ship. Tungsten bars have a luster rather like that of silver in uniform color. Though the whole tungsten bars may slightly curve, the maximum height of the bend should not be more than 7mm.
The most popular application of tungsten bar is in steel making industry. Tungsten bars are used to improve the property of steel.
Chemical Composition:
Grades | WB-1 | WB-2 | WB-3 | WB-4 | Typical-1 | Typical-2 |
| |
Impurities%,max | Pb | -- | -- | -- | 0.001 | -- | 0.001 |
|
Bi | -- | -- | -- | 0.001 | -- | 0.001 |
| |
Sn | -- | -- | -- | 0.001 | -- | 0.001 |
| |
As | -- | -- | -- | 0.002 | -- | 0.001 |
| |
Fe | 0.005 | 0.005 | 0.010 | 0.05 | 0.005 | 0.020 |
| |
Ni | 0.003 | 0.003 | 0.005 | 0.30 | 0.002 | 0.005 |
| |
Al | 0.002 | 0.002 | 0.005 | 0.005 | 0.001 | 0.003 |
| |
Si | 0.003 | 0.003 | 0.010 | 0.010 | 0.0015 | 0.002 |
| |
Ca | 0.003 | 0.003 | 0.005 | 0.005 | 0.002 | 0.005 |
| |
Mg | 0.002 | 0.002 | 0.005 | 0.010 | 0.001 | 0.001 |
| |
Mo | 0.010 | 0.010 | 0.20 | 0.20 | 0.003 | 0.050 |
| |
P | 0.001 | 0.001 | 0.002 | 0.005 | 0.001 | 0.001 |
| |
C | 0.005 | 0.008 | 0.010 | 0.010 | 0.003 | 0.003 |
| |
O | 0.003 | 0.003 | 0.005 | 0.008 | 0.003 | 0.008 |
| |
N | 0.003 | 0.003 | -- | -- | 0.003 | -- |
| |
Sb | -- | -- | -- | 0.001 | -- | 0.0005 |
| |
Uses | For making tungsten alloy | For Processing material | For processing material | For alloy additive | For processing material | For alloy additive | ||
Note: All other specification products are available according to customers' requirements.
Grade of pure tungsten bar :
In reference to different chemical components and applying requirement, the grades of products are divided into four categories:W1, W2 ,W3,W4.
Dimensions of pure tungsten bar :
(10-14)×(10-14)×(400-600) mm The length of the finished tungsten bar for W1, W2, and W3 should not be less than 300mm, and that for W4 should not be less than 30mm.
Appearance of pure tungsten bar :
The appearance of tungsten bar turns to be metallically gray or dark gray. Hygroscopy is not allowed on the appearance of W1 ,W2, and W3 tungsten bars.
Our pure tungsten bar is in package.
Our pure tungsten bar before sintering.
Our finished pure tungsten bar after polishing.
Small size of pure tungsten bar .
Package of carbide rod: outer carton box and inner plastic box, paper box.
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