Vanadium carbonide contains two crystal structures. First, there is V3N. This hexagonal crystal structure has an extreme high hardness and microhardness. Unmeasurable melting point. Second, VN. With a density of 6.13 and relative molecular weight 64.95, it has a face-centered cubic cristal structure. A microhardness about 1520HV with a melting temperature of 2,360 degrees. Each has high wear resistance. Take the example of the construction industry. The vanadium/nitrogen alloying technique produces a three-grade of steel bar that not only increases the safety of buildings and resists earthquakes but also helps to save 10% – 15% steel. The reduction of these steel bars can result in a saving of approximately 7.5million tons, 12.4million tonnes iron concentrate, 6.6 millions tons of coal and 3.3million tons of related raw materials each year in China. The carbon dioxide and sulfur dioxide emissions from the atmosphere are also greatly decreased, which has double the benefits of resource conservation as well as environmental protection.

Vanadium-nitride makes steelmaking more efficient than the high-vanadium iron. As an additive to vanadium, vanadium-nitride’s nitrogen can stimulate vanadium’s precipitation. This will make vanadium particles smaller and improve the formability and welding of steel. To produce semiconductor films that are wear resistant and durable, they can also be used as the raw material for cemented caride. The new, efficient vanadium-alloy additive is capable of producing high-strength and low-alloy steel products like high-strength steel bars, non-quenched tempered steel and high speed tool and pipeline steel. Vanadium/nitrogen alloy is able to strengthen and refine grain better than ferrovanadium. It can also save 30 50% vanadium and significantly improve steel strength. Vanadium-nitrogen alloy is used to create wear-resistant films and semiconductor films.

Addition of vanadium nutride to steel may improve steel’s mechanical properties such as toughness, strength and thermal fatigue resistance.

Addition of vanadium-nitrogen alloy can reduce costs by saving 30-40% on vanadium additon. The vanadium-nitrogen alloy can be used for structural steel, tool and pipe steel as well as cast iron.

High-strength high-alloy steel can be made from vanadium/nitrogen alloy. It is capable of simultaneously carrying out vanadium/nitrogen microalloying, promoting the precipitation and carbon compounds in the steel and playing a greater role in grain refinement and settlement strengthening.

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