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Nitriogened manganese powder Business Articles | July 4 Wholesale Marquis Haynes Jersey , 2012
The nitrogened manganese powder can be used in smelting multi-component alloy steel. Nitrogen can increase the strength and plastic of steel and it belongs to elements of austenite region.


Therefore, manganese and nitrogen can replace the nickel in stainless steel. It can save over 60% of nickels. Nickel is rare heavy metal element. Its resources are limited and expensive. Using manganese powder or nitrides to replace nickel can get obvious economic value. It has good market prospects.


Nitrogen is a diatomic molecule. The nitrogen atom is composed of the three pairs of electrons to form three covalent bonds, where the key can be up to 949.571Jmol much larger than the other diatomic molecule bond energy, thus the structure of the nitrogen molecule is very stable. Inert chemical properties, it is difficult to react chemically with other substances, but at a high temperature to obtain sufficient energy and promote its covalent bond rupture. So it can generate nitrides with certain metals and non-metallic reaction.


The main role of nitrogen in steel is a solid solution hardening and aging precipitation hardening; the formation and stability of the austenite Wholesale Rashaan Gaulden Jersey , its role in times of nickel; to improve the macro-organization of the high chromium and high chromium-nickel steel, so dense and solid, and improve strength; combined with the alloying elements in steel of Cr, Al, V, Ti nitride formation to improve the strength of steel Wholesale Ian Thomas Jersey , hardness, wear resistance and corrosion resistance. For coarse grains, low-carbon high-chromium steel, add the appropriate nitrogen, due to the formation of small amounts of austenite and there are many small nitride material point will limit the growth of the ferrite grain, to obtain fine-grained organization help to improve the impact toughness and to improve their welding performance.


Saving expensive nitrogen-generation nickel metal nickel Wholesale Donte Jackson Jersey , thus greatly reducing the cost of production. Based on the above-mentioned role of the nitrogen-containing manganese, often in the smelting of certain alloys to join. Added separately, manganese easily oxidized. Nitrogen due to a very small density is not easy to join, often required to join in the smelting of certain alloys, and manganese nitrogen utilization rate is higher.


There are three main nitride manganese powder production process, the liquid metal with nitrogen or solid nitrogenous matter nitriding; powdery solid metal powder nitriding; sintering nitriding metal powder and nitrogenous substances and binder briquetting. So that the liquid metal manganese nitriding Wholesale DJ Moore Jersey , the nitrogen pressure constant, the solubility of nitrogen in the alloy decreased with increasing temperature. The nitrogen solubility in liquid manganese metal increased with increasing nitrogen pressure. The shortcomings of the state of the metal nitriding process are very low nitrogen content.


The solid metal powder nitriding can be high in nitrogen, the metal powder or briquette. However, the nitriding speed, decided to change the speed by nitrogen diffusion. Therefore, the slow nitriding. In addition Wholesale Curtis Samuel Jersey , this method obtained powder metal density is small, the nitrogen can not easily be absorbed by the liquid steel, and only 60% to 80% of the nitrogen is absorbed. Remelting the preparation of dense, high nitrogen content of manganese metal and then added to the liquid steel.


Chinese metal powder supplier studied solid-state nitriding process in production of nitride manganese. The process is to nitrogened manganese powder at high temperatures. The research studies the particle size of manganese powder, nitriding time, nitriding speed and other factors. The test results show that the particle size of manganese powder greatly influences nitriding process. When the temperature is higher than 600  Wholesale Devin Funchess Jersey , nitriogened manganese powder with6.90% N2 can be obtained. At present, most of the international nitride manganese producers use the solid-state nitride production process. South Africa is the major countries in nitriogened manganese production.Source:http:www.mhcmp

Article Tags: Nitriogened Manganese Powder, Nitriogened Manganese, Manganese Powder, Nitride Manganese, Metal Powder Wholesale Shaq Thompson Jersey , Powder Nitriding, Nitriding Process



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