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Tantalum Balls

Tantalum Balls

Tantalum balls are used in electronic components, chemical equipment, and nuclear reactors. Other applications concerned with corrosion, especially the chemical processing industry, use tantalum to fabricate valves for corrosive liquids.

Tantalum Balls Standard state: solid at 298 K
Tantalum Balls Color: grey blue
Tantalum Balls Classification: Metallic

Description of tantalum balls:
Tantalum is a greyish silver, heavy, and very hard metal. When pure, it is ductile and can be drawn into fine wire, which can be used as a filament for evaporating metals such as aluminium. Tantalum is almost completely immune to chemical attack at temperatures below 150°C, and is attacked only by hydrofluoric acid, acidic solutions containing the fluoride ion, and free sulphur trioxide. The element has a melting point exceeded only by tungsten and rhenium.

Principal Design Features of Tantalum Balls:
Tantalum is a refractory metal, falling between tungsten and molybdenum in terms of melting point (5425 F). It is widely available in EB cast and powder metallurgy mill forms an it applications fall into two major categories: electronic and metallurgical. Excellent additional data available at

Tantalum Ball Applications:
Applications for tantalum fall into two major categories: electronic and metallurgical. The electronics industry is the largest single user, where it is employed in capacitors, filaments and various other high temperature components. The chemical process equipment industry commonly employs tantalum in heat exchangers, heaters, vessels, etc.

Tantalum Ball Machinability:
Tantalum has a tendency to gall, very similar to pure copper. This can cause welding of tooling to the workpiece if proper procedures are not followed. Heavy roughing cuts with M2 high speed or C2 carbide tooling is recommended. To minimize galling, high speed tooling with generous lubricant flooding is recommended. Speeds of 40-60 fpm are recommended.

Tantalum Ball Welding:

Welding Tantalum can be fusion and resistance welded successfully. Resistance welding should be performed under water. Fusion welding is most successful when the material to be joined is absolutely clean.

Tantalum Ball Heat Treatment:
Tantalum is not heat treatable.

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