High Purity Hafnium Nitride HfN Powder CAS 25817-87-2, 99% |

About Hafnium Nitride HfN Powder:
Hafnium nitride is a gray powder with a cubic crystal structure. Melting point 3310, microhardness 16GPa. HfN powder is fairly stable but easily corroded by aqua regia, concentrated sulfuric acid and hydrofluoric acid. It is produced by direct reaction of hafnium with nitrogen at 900, or by reaction of hafnium halides with ammonia or mixed gases of nitrogen and hydrogen. It is an important component of hafnium alloy, an important refractory compound. Hafnium nitride is the most difficult of all known metal nitride compounds to melt, with a melting point of 3310degC.

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Product Performance of Hafnium Nitride HfN powder:
Hafnium Nitride is powder, cubic structure, melting point 3310, it is quite stable, but easily by aqua regia,
concentrated sulfuric acid and hydrogen fluoride acid corrosion. The reaction generated directly by the hafnium
and nitrogen at 900, it is an important part of refractory compounds hafnium alloy.

Technical Parameter of Hafnium Nitride HfN powder:

Product Name	MF	Purity	Particle Size	Melting Point	Density	Color
hafnium nitride	HfN	99%	5-10um	3310	13.2 g/ml	yellow-brown

Chemical Composition of Hafnium Nitride HfN powder:

Mg3N2	N	Hf	Si	O	C	Fe	Zr
99%	5.1%	balance	0.01%	0.4%	0.01%	0.25%	1.8%

How is Hafnium Nitride HfN Powder produced?
Hafnium nitride is produced by direct reaction of hafnium with nitrogen at 900, or by reaction of hafnium halides with ammonia or mixed gases of nitrogen and hydrogen.

Applications of Hafnium Nitride HfN Powder :
Hafnium nitride powder is mainly used in high temperature, oxidation resistance, aviation, aerospace and other fields. The hafnium nitride powder has high purity, small particle size, large specific surface area and high surface activity. It is a kind of refractory hard compound, high decomposition temperature, good chemical stability, so it has good high-temperature resistance, corrosion resistance, wear resistance, is a good high-temperature structural material, super hard tool material and surface protection material. It has been widely used in aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry.
With the rapid development of the industrial economy, the demand for aluminum alloy welded structural parts is increasing day by day so that the study of aluminum alloy weldability is also in-depth. At present, aluminum alloy is the most used alloy, which contains hafnium nitride, but hafnium nitride in the purification of the purity of inert gas is less than 96%, which can not meet the standard, and failed to shorten the refining time, reduce production costs.
Packing & Shipping of Hafnium Nitride HfN powder :
We have many different kinds of packing which depend on the hafnium nitride HfN powder quantity.
Hafnium nitride HfN powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Hafnium nitride HfN powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.


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