| Customization: | Available |
|---|---|
| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | GB, ASTM |
|
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2024 Wholesale Factory Price Black Ground&Polished Tungsten Rods Bars
1. Pure tungsten rod specification:
| W Rods Purity | 99.95 |
| Density | >19.2g/cm3 |
| Flatness | <2% |
| Dimension | Diameter(2.0-100)*L (mm) |
| Surface | Black,ground&polished |
| Price | As order quantity and surface |
| Delivery time | 7-15 days |
| Application | Used in electric boosting glass kiln electrode Suitable for producing ion implantation parts; For producing electric light source parts and electric vacuum components; For producing heating elements and refractory parts in high temperature furnaces; Used as electrodes in the field of rare earth metal industry. |
2.Tungsten rods surface finish:
Black:Surface is "as swaged" or "as drawn"; retaining a coating of processing lubricants and oxides.
Cleaned - Surface is chemically cleaned to remove all lubricants and oxides.
Ground - Surface is centerless ground to remove all coating and to achieve precise diameter control.
3. Tungsten rods available size:
Forged rods size: Diameter(2-100mm)*Length<2500mm
Strainghtened rods after drawn diameter 0.3-3.2mm
| Tungsten Content |
Type | Diameter (mm) |
Dia.Tolerance (mm) |
Length (mm) |
L tolerance (mm) |
| 99.95% | Sintering rod | 40-100 | ±3 | 500max | ±5 |
| 99.95% | Forged rod | 20-80 | ±2 | 800max | ±5 |
| 99.95% | Ground rod | 2-60 | ±0.1 | 600max | ±1 |
4. Tungsten rods chemical composition
| Content of Tungsten | Content of all other elements | Content of each element |
| ≥99.95% | ≤0.05% | ≤0.01% |
5. The application & features of tungsten rods:
Main Characteristics:
High melting point (3410 centigrade)
Low thermal expansion
High electrical resistance
Low vapour pressure
Good thermal conductivity
High density
The main application:
Used as electrodes in the field of rare earth metal industry;
For producing electric light source parts and electric vacuum components;
Used in electric boosting glass kiln electrode;
Suitable for producing ion implantation parts;
For producing heating elements and refractory parts in high teperature furnaces;
Very good interlaminar strength at strong thermal and mechanical loadings
6. Packing
Standard and safe Packing
paper wrapped the sheets, then plastic paper protected from moisture
Foam board around the the inner wooden case
Standard exported plywood case outside
7. Delivery
Sample Delivery: 7-10 days is ok
Big order quantity: Usually we can supply within 20 days
8 Shipment Methods:
By express(EMS,TNT,DHL,UPS,FedEx)
By Sea or Air transportation
By land
By YWWEN special line or other special line
We also can deliver as the customers' need,send the material to the port.
We supply other following tungsten products
Tungsten ribbon, foils
Tungsten bar , Tungsten rod with black surface or polished
Tungsten wire, black Tungsten wire, polished Tungsten wire, straight Tungsten wire, super thin Tungsten wire, W-Al wire
Tungsten screw, Cu-W alloy, Tungsten powder, high specific gravity Tungsten alloy materials, Tungsten part and other Tungsten products.
We supply tungsten high heavy alloy WNiFe WNiCu rods
Material:W90-97NiFe(magnetic)&W90-97NiCu(nonmagnetic)
Density: 16.8-18.5g/cm3
Standard: ASTM B777-07 rods
Another Expression(Standard):
High Grade Tungsten high heavy alloy AMST 21014 class 3
- Material: W90-97NiFe(Magnetic) & W90-97NiCu(Nonmagnetic)
- Density:16.8-18.8g/cm3
- Rods Size:dia(1.5 -200) x Length<500mm
Plate size: 0.1min Thickness*W*L
Property of tungsten alloy AMST 21014 class 1
90%WNiFe, 90%WNiCu
Density : 17.0
Hardness: 32HRC max
Elongation: 5-20%
AMST 21014 class 2
92.5%WNiFe, 92.5%WNiCu
Density : 17.2
Hardness: 33HRC max
Elongation: 5-15%
AMST 21014 class 3
95%WNiFe, W95NiCu
Density : 18.0
Hardness: 34HRC max
Elongation: 3-10%
AMST 21014 class 4
97.5%WNiFe, W97.5NiCu
Density : 18.85
Hardness: 35HRC max
Elongation: 1-8%
We also supply tungsten electrodes rods
| Trademark | Added impurity | Impurity quantity | Other impurities | Tungsten | Electric discharged power | color sign |
| WT20 | ThO2 | 1.7-2.2 | < 0.20 | The rest | 2.0-3.0 | Red |
| WP | --- | --- | < 0.20 | The rest | 4.5 | Green |
| WL10 | La2O3 | 0.8-1.2 | < 0.20 | The rest | 2.6-2.7 | Black |
| WL15 | La2O3 | 1.3-1.7 | < 0.20 | The rest | 2.8-3.0 | Goldyellow |
| WL20 | La2O3 | 1.8-2.2 | < 0.20 | The rest | 2.8-3.2 | Skyblue |
| WC20 | CeO2 | 1.80-2.20 | < 0.20 | The rest | 2.7-2.8 | Grey |
| WY20 | YO2 | 1.8-2.2 | < 0.20 | The rest | 2.0-3.9 | Blue |
| WZ8 | ZrO2 | 0.7-0.9 | < 0.20 | The rest | 2.5-3.0 | White |
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