Customized Coating Machine Parts Pure Tungsten Crucible 99.95% Purity
Product description
Crucibles produced by Achemetal Tungsten & Molybdenum Co., Ltd. include small tungsten crucibles and molybdenum crucibles for turning, plate spinning cruible tungsten crucibles, spinning crucible molybdenum crucibles, vacuum welding tungsten crucibles and molybdenum crucibles, large sintering tungsten crucibles and sintering tungsten-molybdenum alloy crucibles.
Bar turned crucibles are formed by turning high-quality bars of our company, and feature high density, no crack and sand hole inside, bright surfaces, uniform color and luster as well as fine crystal grains.
Conventional density: 18.6g/cm³~18.9g/cm³;
Special process density: more than 19.1g/cm³.
Typical specifications and dimensions of crucibles
| Classification | Diameter(mm) | Height(mm) | Wall Thickness(mm) |
| Bar Turned Crucibles | 15-80 | 15-150 | ≥3 |
Note: all the specifications can meet the requirements of customers on high accuracy through machining.
Tungsten chemical composition
| Grade | Element Composition % | ||||||||||
| W | Al | Ca | Fe | Mg | Mo | Ni | Si | C | N | O | |
| W1 |
Remainder >99.95% |
0.002 | 0.005 | 0.005 | 0.003 | 0.01 | 0.003 | 0.005 | 0.008 | 0.003 |
0.005 |
Features of Tungsten Crucible
The crucible can be used in vacuum inert gas environment under the temperature of 2600℃;
It has a very high purity of 99.95% and high density over 18.7g/cm3;
It has high melting and boiling points, high temperature strength, high abrasion resistance as well as high corrosion resistance;
Tungsten crucible also possesses good thermal conductivity, good hardenability and low thermal expansion coefficient;
We produce tungsten crucibles with accurate size, clean bright internal and external wall.
Product detail
Product process
Crucibles of our company are mainly applied to:
Vacuum coating industry
Rear earth smelting industry
Sapphire crystal furnace industry
Magnetic material industry
Package and Inspection:
Every tungsten crucible is under strict nondestructive test and density detection. We offer material composition sheet and examination report of the sintered tungsten crucible. We also pack the crucibles in shock and moisture-proof plywood case independently.
Our Services
We always pursue cooperation, win-win strategy and honesty to work with our customers, Truly high technology, technolgy innovation as the driving force for thre purpose of excellent quality, and honesty as a creed. Dedicated to new and old customer to provide quality products and good serivces
To provide our best service for each clients, no matter where they come from.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.