Chemical composition 99.95% tungsten boat
| Type | Main | Impurities <% | ||||||||||||
| W | Ce | Th | Re | Al | Ca | Fe | Mg | Mo | Ni | Si | C | N | O | |
| W1 | remainder | — | — | — | 0.002 | 0.003 | 0.005 | 0.002 | 0.01 | 0.003 | 0.003 | 0.005 | 0.003 | 0.005 |
| W2 | 99.95 | — | — | — | 0.004 | 0.003 | 0.005 | 0.002 | 0.01 | 0.003 | 0.005 | 0.008 | 0.003 | 0.008 |
The Productive Process Of Tungsten Boat and Production Equipment
| Item | Process | Equipment | Quality Check |
| 1 | Powder | Purified furnace | GDMS |
| 2 | Powder pressing | Isostatic pressing machine | Measurement of rough-processed |
| 3 | forging | High-accuracy forging machine | Dimension measurements for product |
| 4 | sintering | High temperature vacuum sintering furnace | Dimension measurements for product |
| 5 | Final machining | High-accuracy turning machine | Surface quality/ roughness and density |
| 6 | Pakcing | Quality Test Report |
Package details
First, packaging with moisture-proof paper
Second, packaging with kraft paper
Third, packaging with foam plastics in all side of plywood case.
Finally packing products in plywood case
Applications:
Tungsten boats are widely used in Metallizing,Electron-beam Spraying as well as sinteting annealing in reducing atmosphere in electronics, military and light industries
