Main Products: muffle furnace ,tube furnace ,box furnace ,chamber furnace ,high temperature furnace
STA 99.95% high purity Polished Tungsten rod
USD $20 - $120 /Piece
Min.Order:1 Piece
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STA Refractory (Zhengzhou) Co., Ltd.
Business Type: Trading Company
Zhengzhou Henan ChinaMain Products: muffle furnace ,tube furnace ,box furnace ,chamber furnace ,high temperature furnaceProduct Details
STA 99.95% high purity Polished Tungsten rod
Item |
| Tungsten |
Density | G/CM3 | 19.3 |
Melting point | oC | 3410 |
Thermal conductivity | W/M.K | 174 (10--100 oC ) |
Resistivity | Ω.CM | 35 (1000 oC ) |
Vapor pressure | Pa | low |
Modulus | /MPa | 35316 |
Thermal expansion coefficient | K-1 | 4.5 X 10-6 (0--100 oC ) |
Hardness | HB | 290--350 |
Tensile strength | MPa | 981-1472 |
Chemical Compositions
Grade | Tungsten content | Contents of Impurity Elements | |
Total Content | Content of each element | ||
WAL1,WAL2 | 99.95%min | 0.05%nax | 0.01%max |
W1 | 99.95%min | 0.05%max | 0.01%max |
W2 | 99.92%min | 0.08%max | 0.01%max |
Dimension & Tolerance
Varity | Diameter Range | Diameter Tolerance | |
MIN | MAX | ||
Black bar wroughted | ≥3.0mm | ±0.05mm | ±0.10mm |
Straightened bar | 0.5 →3.0mm | ±0.01mm | ±0.01mm |
Ground bar | ≥0.8mm | ±0.01mm | ±0.05mm
|
Pictures of Tungsten bar:
Packing: standard export packing: wooden box with foamed plastic inside.
Shipping term: DHL/FEDEX/TNT/UPS
Packaging:
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