Niobium Nb 99.9% pure metal, Element 41 niobium lumps 1gr-10kg

Weight tolerance can be up to +/-2%

Description:

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Niobium belongs to the group of refractory metals and has a melting point of approx. 2477 °C. Niobium is characterized by good strength at relatively low weight. Like all refractory metals, niobium has a high melting point and a relatively high density of approx. 8.57 g/cm3. The thermal conductivity of niobium is comparable to that of tantalum, but lower than that of tungsten. The thermal expansion coefficient of niobium is higher than that of tungsten, but still significantly lower than that of iron or aluminum. Due to its high ductility, niobium is excellently suited for forming processes such as bending, stamping, pressing, or deep drawing. Niobium is naturally coated with a dense oxide layer. The oxide layer protects the material and ensures high corrosion resistance.

High strength and good corrosion resistance even at high temperatures enable the use of niobium as a structural material.

Properties of niobium:

• good chemical resistance
• very high melting temperature
• stable in air
• good for forging and rolling
• good biocompatibility

Main application for niobium:

• alloying metal for steels
• engines in aircraft and rocket construction
• electrical engineering
• metallurgy
• chemical industry

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