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Physical properties for Tantalum
Tantalum is dark (blue-gray), dense, ductile, very hard, easily fabricated, and highly conductive of heat and electricity. The metal is renowned for its resistance to corrosion by acids; in fact, at temperatures below 150 °C tantalum is almost completely immune to attack by the normally aggressive aqua regia. It can be dissolved with hydrofluoric acid or acidic solutions containing the fluoride ion and sulfur trioxide, as well as with a solution of potassium hydroxide. Tantalum's high melting point of 3017 °C (boiling point 5458 °C) is exceeded among the elements only by tungsten, rhenium and osmium for metals, and carbon.
Feature for tantalum crucible
Tantalum can be used as a substitute for stainless steel in the production of various inorganic acids.Tantalum crucible can be used in chemical containers or vacuum coating.Tantalum has a wide range of applications due to its characteristics.In the chemical, electronics, electrical and other industries, tantalum can replace tasks that used to be undertaken by precious metal platinum, resulting in much lower costs.
tem name
tantalum crucible
Categary
Machining Crucible
Density
16.68g/cm3
Production Process
Tantalum Powder—sifting—Blending—Isostatic Pressing -Rough—BlankLatheMachining—Intermediate Frequency Sintering— Machining —Packaging
Purity
99.95%min
Application
chemistry, electron,aerospace, aviation etc
Product Description
| Name | tantalum crucible | |||
| Grade | R05200, R05400, R05252, R05255, R05240 | |||
| Standard | ASTM B708-2001 | |||
| Purity | 99.95%Min | |||
| Surface | Polished | |||
| Density | 16.6 g/cm3 | |||
| Technique | sintering, stamping, spinning, machined | |||
| Product Feature | High melting point, high temperature oxidation resistance, long service life, resistance to corrosion | |||
| Application | chemistry, electron,aerospace, aviation etc | |||
Dimension Tolerance:
| Supply Situation | Dimensions | Tolerance | ||
| Diameter(mm) | Height(mm) | Diameter(mm) | Height(mm) | |
| Sintering | 10-500 | 10-750 | ±5 | ±5 |
| Forging | 10-100 | 10-120 | ±1 | ±2 |
| Sintering and Machining | 100-550 | 10-700 | ±0.5 | ±1 |
| Tantalum crucible | |||
| Grade | ultimate tensile strength, min,pound / inch2 ( MPa ) | yield strength, min, pound / inch2 (MPa) | elongation, min, % |
| 1 inch (25.4mm), gauge length | |||
| R05400 R05200 | 25000 (172) | 15000 (103) | 25 |
| R05252 | 40000 (276) | 28000 (193) | 20 |
| R05255 | 70000 (482) | 55000 (379) | 20 |
| R05240 | 40000 (276) | 28000 (193) | 25 |
Features:
1.Good ductility and toughness;
2. Low coefficient of thermal expansion;
3.Good corrosion resistance;
4. Good resistance to high temperature;
5.Excellent Bearing to cryogenic property;
6. Good thermal properties;
7. Easy to machine;
8. Good bio compatibility.
Application:
1. Used for sapphire single crystal growth furnace;
2. Applied for quartz glass melting furnace;
3. Used for rare earth smelting furnace;
4. Used for sintering metal mold of high melting point;
5. Widely used in other following industries:
Ceramics and metallurgical industries, machinery processing and medicine field.
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