Niobium Nb 99.9% pure metal element 41 Niobium Lump 1gr-10kg

Length tolerance +/-2mm

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 its 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 coefficient of thermal expansion 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 excellent for forming processes such as bending, punching, pressing, or deep drawing. Niobium is naturally covered 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 allow the use of niobium as a construction material.

Properties of Niobium:

• good chemical resistance
• very high melting temperature
• resistant in air
• good forgeability and rollability
• good biocompatibility

Main application for Niobium:

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

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