ferrosilicon Calcium tablet Magnesium granule

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Calcium and silicon and oxygen has a strong affinity. Especially calcium, not only with strong affinity, oxygen and sulfur, nitrogen has a strong affinity. So the calcium silicon alloy is a kind of ideal compound deoxidizer, desulfurization agent. Silicon alloy not only deoxidization ability strong, deoxidizing products tend to rise, easy to discharge, but also can improve the performance of the steel, plasticity, impact toughness of steel and liquidity. Currently the calcium silicon alloy can be final deoxidization instead of aluminium. Be applied to the high quality steel. In the production of special steel and special alloys. Such as rail steel, mild steel, stainless steel, steel and nickel base alloy, titanium alloy, and other special alloy are available the calcium silicon alloy as deoxidizer. The calcium silicon alloy also for practice of converter steel workshop with increasing agent, the calcium silicon alloy can also be used for cast iron inoculant and additives in nodular iron production.

Broad of ferroalloy ferroalloy Ferroalloys (English), is refers to the steelmaking as deoxidizer, element additives added to molten steel with a particular feature or meet certain requirements of a product. Iron and intermediate alloy composed of one or more of the following elements, mainly used in steel smelting. In the iron and steel industry is usually put all steel used in the middle of the alloy, iron or not (e.g., the calcium silicon alloy), are called "alloy". Habits and some pure metal oxide additives and additives is also included.


Deoxidizer. Removing the oxygen in molten steel in the process of steelmaking, some ferroalloy can removing the other impurities such as sulfur, nitrogen in steel.

Additive in alloy. According to the requirements of steel composition, adding alloying elements in the steel to improve the performance of the steel.

Inoculant. In front of the cast iron casting in molten iron, improve the crystallization of castings.

Reducing agent to the metal thermal reduction process in the production of other alloy and nonferrous metal reducing agent; Non-ferrous alloy alloy additive; Also a small amount of used in the chemical industry and other industries.

All steel, steel capital is a kind of ferroalloys, it also makes the iron alloy is the most widely used, dosage biggest alloy.

Also put some iron with high carbon content in high school textbooks and all the iron alloy is called ferroalloy.


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Q:What are the YT and YG carbide cutting tools for each occasion and why is it necessary to improve the quality of the machined surface?
YT for steel, steel castings, aluminum parts, not shock resistance. YG is used for rough cast iron parts, cast iron parts, shock resistance and high temperature resistance.
Q:What does American standard cemented carbide grain size C mean?
Then, when the mixture is granulated and pressed and heated to a point near the bonding metal (1300~1500 DEG C), the eutectic alloy is formed by the hardening and bonding of the metal. After cooling, the hardened phases are distributed in a grid of bonded metals that are closely related to each other and form a solid whole. The hardness of cemented carbide depends on the content of the hardened phase and grain size. The higher the content of the hardened phase and the finer the grain, the greater the hardness. The toughness of cemented carbide is determined by bonding metal. The higher the bonding metal content is, the greater the bending strength is. The effect of grain size on the mechanical properties of metals has a curve diagram: the strength of both ends is large and the middle is low. Explain: the mechanical properties of single crystals are very good. The finer the grain, the better the mechanical properties, but the mechanical properties of the single crystal with infinite size are much better than the grain's infinitesimal! A lot of grain size control method, the main principle of two: 1, increase the metal crystallization undercooling of 2, increase the crystal nucleus specific methods: electromagnetic stirring, adding grain refiner (such as Aluminum Alloy plus Al-Ti-C master alloy as grain refiner), lower solidification temperature, and fine grain of alloy elements and so on many.
Q:What are the grinding carbide wheels?
Diamond grinding wheel, carborundum wheel. Only welded blades use carborundum wheels, and generally fine grinding blades use diamond grinding wheels.
Q:How to polish and polish cemented carbide? Five
First of all, is the alloy itself if there are problems, product patterns, mainly to see the pattern is a kind of form, if a cluster or cluster, is generally the product of carburizing, such products also have a feature in 40 times under the anatomical microscope observation, can see the concave point, the because the graphite particles in the grinding conditions, free C from the alloy caused by the desquamation of this kind of products, should not be a problem after carburizing burnback.
Q:What are the advantages of carbide V-CUT knives and diamond V-CUT knives?
Precision machining, high finish, sharp blade, machining V groove surface smoothness, no burr burr, greatly improve product quality.Polycrystalline diamond V-CUT knife is now used more and more, and its advantages are: hardness is higher than hard alloy, longer service life, especially in the CNC V-CUT Slitter, the use of good results.
Q:What are the fields of nano WC Cemented Carbides applied?
(3) wood processing. As early as 50s, carbide tipped tools were used in the wood processing industry. Now, there sheet of all kinds of materials, the processing precision and the requirements of the appearance is greatly improved, the centrifugal force, when high speed cutting cutting force so that ordinary hard alloy is difficult to meet the requirements of the processing, and nanocrystalline WC cemented carbide has been useless.
Q:The wood cutting tools are made of hard alloy, high speed steel and diamond.
A total of 10 ~ 25%. Under the condition of heat generated in the high-speed cutting (about 500 C) can still maintain a high hardness of HRC can be more than 60. This is the main characteristic of high speed steel - red hardness. And carbon tool steel after quenching and low temperature tempering, at room temperature has very high hardness, But when the temperature is higher than 200 DEG C, the hardness decreased rapidly, at 500 DEG C hardness has been reduced to a similar degree with annealing state, completely lost the ability of metal cutting, which limits the production of carbon tool steel and high-speed steel cutting tools. The red hardness, make up for the fatal defect of steel with carbon. That can be used in the manufacture of cutting tools.
Q:YC45 carbide cutting tools 10
YC45 hard alloy cutter is made of tungsten alloy tool. The main alloy components are tungsten and cobalt, which have better wear resistance, good weldability, and good effect in processing solid wood, redwood and so on. Is a widely used, stable quality alloy, can also be used for cutting tools of various metals. Tungsten alloy containing tungsten 18%, hardness of Vivtorinox 10K, second only to diamond. The product has the characteristics of tungsten steel is not easy to wear. Commonly used in lathe tool, drill bit, glass knife head, tile cutter, hard but brittle annealing.Cemented carbide is a kind of alloy material made by powder metallurgy process of hard metal and bonding metal of refractory metal. Hard alloy with high hardness, strength and toughness, good wear resistance, heat resistance, corrosion resistance and a series of excellent performance, especially high hardness and wear resistance of it, even at a temperature of 500 DEG C also remained unchanged, at 1000 degrees C still have high hardness. Hard alloy is widely used as a tool material, such as turning, milling, planing, drilling, boring, used for cutting cast iron, non-ferrous metals, plastics, chemical fiber, graphite, glass, stone and steel, can also be used for cutting steel, stainless steel, high manganese steel, tool steel and other hard processing materials. High hardness (86-93HRA, equivalent to 69-81HRC); good thermal hardness (up to 900-1000 DEG C, 60HRC); good wear resistance.Carbide cutting tools than high speed steel cutting speed 4-7 times, 5-80 times higher tool life. Manufacturing dies and measuring tools, life expectancy is 20-150 times higher than alloy tool steel. Hard material that can be cut around 50HRC. But the hard alloy brittleness, cutting can not difficult to make the whole cutter with complicated shape, usually made of different shapes of blade, mounted on the body or use a knife die body by welding, bonding and mechanical clamping method.
Q:I would like to ask, carbide processing, cutting what cutting fluid is better, useful trouble recommended, thank you!
An alloy material made from powder metallurgy by hard metals and bonded metals of refractory metals. Cemented carbide has a series of excellent properties such as high hardness, wear resistance, strength and toughness, heat resistance and corrosion resistance, especially its high hardness and wear resistance.
Q:Several hard alloy cutter lathe with?
2 kinds! They are clamp type and welding type.

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