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     Nickel - a silver-white metal, does not fade in the air. In its pure form, it is very ductile and can be processed by pressure. It is a ferromagnet with a Curie point of 358 C. Physical properties of nickel and nickel alloys: Electrical resistivity of 0.0684 Ohm ∙ m. The coefficient of linear thermal expansion = 13.5 ∙ 10−6 K − 1 at 0 C The coefficient of volumetric thermal expansion = 38C39 ∙ 10−6 K − 1 The elastic modulus is 196C210 GPa. Nickel has a high tensile strength and keeps it to very high temperatures. Nickel processing can be both cold and hot. It lends itself well to machining and can be joined by welding, soldering with hard and soft solders. It has excellent corrosion resistance,

Nickel is a silver-white metal that is mainly found in sulfur and arsenic ores. Nickel is obtained by roasting nickel oxide and then reduced using carbon. Pure nickel is malleable and malleable. It is very air and water resistant and is therefore used as a protective cover.

A powder is a solid material with a roughly defined size range.

Powder powder
Nickel powder - your product selection
Ni-00001 nickel powder
Details: <10 microns
Purity: 99.00%
CAS No .: [7440-02-0]
Further information:
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Ni-00002 nickel powder
Details: <100 microns

Nickel has such practically important properties as high resistance to corrosion, including at elevated temperatures and heat resistance. This has made this metal an integral part of many heat-resistant and heat-resistant alloys, as well as stainless steels. In the production of these materials, nickel powder is added as an alloying agent. It is also used for spraying and fusing. We should not forget about the methods of powder metallurgy, which allow the production of products of complex shape and with excellent characteristics.

In Mettekhnika you can buy nickel powder of the two most common types - carbonyl and electrolytic. For the order, which can be implemented in different ways (phone, fax, email, website), PNK-UT3 and PNE brands and others are available.

You can learn more about these brands, as well as production methods and areas of application of these products on this page in the appropriate sections.
Stamps
The products described are made of high purity nickel. The Ni content, depending on the brand, is 99.5-99.9%.

The most common brands are PNA (carbonyl) and PNE (electrolytic). PNA is divided by chemical composition into 4 groups: Y, 0, 1, 2; PNE - in two: 1, 2. The powder of nickel carbonyl groups U and 0 contains at least 99.9% Ni, groups 1 and 2 - at least 99.7%. Nickel electrolytic powder of groups 1 and 2 contains at least 99.5% nickel + cobalt (Ni + Co). PNA is also classified by bulk density. The following groups are distinguished: T - heavy, subgroups 1, 2, 3, 4; L - easy, subgroups 5, 6, 7, 8; K - coarse-grained, subgroups 9, 10.

The most common brands are PNK-UT3 and PNE-1.

The chemical composition of carbonyl and electrolytic nickel powder PNA, PNE is regulated by standard GOST 9722-97.
Production
Most often, this type of product is produced in the following ways:
carbonyl (dissociation of carbonyls);
electrolytic (electrolysis);
recovery of nickel compounds.
PNA powder is obtained by the carbonyl method. The starting material is nickel carbonyl - Ni (CO) 4. The process proceeds in two stages. In a first step, nickel-containing feedstocks react with carbon monoxide to form carbonyl. This step is called carbonyl synthesis. In the second stage, upon heating, carbonyl dissociates (decomposes) into nickel and carbon monoxide. This step is called the thermal decomposition of carbonyl.

PNE powder is obtained by electrolytic method. As a result of passing direct current through an aqueous solution of the compound of the metal (nickel) emitted or its molten salt, pure metal is released at the cathode.

It is worth noting that both carbonyl and electrolytic production methods produce pure nickel powder.

During reduction, nickel powder is obtained by removing a non-metallic component from a chemical compound (oxide or nickel salt) by adding a reducing agent. The reducing agent reacts with a non-metallic component (oxygen or saline residue), the metal is released in its pure form. As a reducing agent, as a rule, hydrogen is used.

Particle size depends on the brand. So for PNK-UT1, ..., PNK-UT4 and PNK-0T1, ..., PNK-0T4, PNK-1L5, ..., PNK-1L8, the particles should be less than 20 microns. The PNK-2K9 brand should contain grains 71-100 microns, PNK-2K10 - 45-71 microns. Moreover, the number of particles, the size of which differs from the required, should not be more than 20% of the batch mass for heavy and coarse-grained powders and not more than 15% for light. The grain size of the PNE-1 brand should be less than 71 microns, the content of particles less than 45 microns in size should be at least 30% of the batch mass. For PNE-2 powder, the particle size should be less than 250 microns, the content of grains with a size of less than 71 microns should be at least 3% of the batch mass. Moreover, the number of particles, the size of which differs from the required, should not be more than 4% and 3%, respectively.

Grain sizes, bulk density, delivery status of the described products are regulated by standard GOST 9722-97.

A small grain size nickel powder is also called nickel powder.
Application
Nickel powder is widely used in modern industry. There are many alloys, one of the main components of which is nickel (for example, nickel, copper-nickel alloys). This metal has good properties of heat resistance, heat resistance and corrosion resistance. This leads to the addition of nickel as an alloying agent to various steels and alloys. The nickel plating process is also widespread - applying a thin nickel film to metal surfaces, which protects them and gives a beautiful appearance. For these purposes, nickel powder is used, which is sprayed on the surface or deposited on it.
Prices
The cost of nickel powder, as well as the possibility of ordering through the site is available on the Prices page.



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