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Танталовый пруток и круг

Calculate tantalum product weight

Calculator "Metals and alloys". Tantalum


Wire Tube Rod Tape Strip Sheet Hexahedron Corner Rectangle

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Result:
Result:

Density: g/cm³
Thickness, mm
Side 1, mm
Side 2, mm
Width, mm
Ø, mm
Wall, mm
Length
Weight

R E S E T


These semi-finished products are the most highly-demanded ones in industry. Combined with tantalum useful properties they are applied in very important industries. Sophisticated electronic and vacuum-tube devices so as heating devices are used in many technological processes in different spheres. Most of them became possible due to tantalum rods. These are universal semi-finished products that besides use in equipment serve as primary blanks for providing round products of small diameter.

For buying tantalum rods and round bars at Metotechnics please contact us via e-mail, phone or on our website. We will answer all your product-related questions and help to choose the required items.

Detailed description of methods of making these products, grades and recommendations for application are given in the corresponding sections of this page.

Grades

Rods and round bars are made of T and TCh grades. The percentage of the main element Ta is rather high and is 99.37% and 99.82% correspondingly. Niobium content (Nb) that is included into tantalum in most cases is 0.5% for Т grade and 0.1% for TCh grade. The most significant admixtures are iron (Fe) with percentage 0.03% and 0.02% correspondingly so as tungsten (W) and molybdenum (Mo). For tantalum Т W is 0.05%, Mo - 0.03%; for TCh the total number of elements Ti, Si, W and Mo is 0.06%.

The chemical composition of the provided materials is described in standard TC 11-78 SU0.021.041 TC.

Production

Tantalum rods and round bars are made using forging or drawing that belong to pressurizing methods. Billets made by powder metallurgy methods serve as the primary raw materials for production. Tantalum round bars (rods) with end diameter Ø 2.6 mm and less are received, products with a different diameter are forged. Deformation is made in several stages, each one for receiving semi-finished products of less size. They undergo intermediate cooling in water for avoiding excessive heating and oxidation. Passage reduction should be within 15-25% for avoiding deformation with critical levels.

Products are processed neither thermally nor chemically. But drawn blanks are covered by graphite lubricant. Also it should be mentioned that the tantalum rod should be straight. This is an important requirement that is included in all regulatory documents for these products.

Tantalum round bars and rods should comply with TC11-78 SU0.021.041 TC that contains the product sizes and extreme tolerances, supply condition, marking and packages.

Often round rods are called tantalum round bars. This is fair for products of a large diameter. GOST 25501-82 does not contain the definition “round bar” for blanks and semi-finished products, but in practice, such name is often used for round rods with large diameter.

Application

Tantalum round bars are mainly used in vacuum-tube and electronic devices and also in medicine. In the first two industries tantalum is used due to high melting temperature, low vapor pressure and low evaporation rate under 1500-2000 °C. In medicine metal compatibility with the human tissue plays a great role.

In devices tantalum round bars are used for producing different components: anodes, cathodes and springs. In medicine these products are applied as connecting elements for bones, nails and wires.

Prices

Tantalum round bars and rods, their cost are provided on Prices page. Also these products are available for ordering on our website.

"Metotechnics"
e-mail: metoteh@gmail.com

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