High Quality Inoculant FeSi Alloy

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Specifications

Used as inoculant and nodulizer and deoxidizer
Granularity as customers' require
Native of China
Low content of microelement

Ferro Silicon

FeSi

Description

Ferrosilicon is produced by reduction of silica or sand with coke in presence of scrap iron, millscale, or other source of iron.

Ferrosilicons with silicon content up to about 15% are made in blast furnaces lined with acid fire bricks. Ferrosilicons with higher silicon content are made in electric arc furnaces.

An overabundance of silica is used to prevent formation of silicon carbide. Microsilica is a useful byproduct.

The melting point and density of ferrosilicon depends on its silicon content.

Si content (wt.%)	0	20	35	50	60
Melting point (°C)	1538	1210	1410	1210	1230
Density (g/cm³	7.87	6.76	5.65	5.1	4.27

High Quality Inoculant FeSi Alloy

Q: MIG and TIG welding of cobalt base carbide and medium low carbon steel, respectively, using copper wire and stainless steel wire. What kind of corrosive liquid should be used in the welding seam to be metallographic?MIG+ copper welding wire, MIG+ stainless steel wire, TIG+ stainless steel wire: Cobalt based alloys are cobalt, which contains a considerable amount of nickel, chromium, tungsten, and a small amount of alloying elements such as molybdenum, niobium, tantalum, titanium and lanthanum, and occasionally contains an alloy of iron. According to the alloy composition is different, they can be made of wire for hardfacing powder, thermal spraying, spray welding process, can also be made of casting and forging and powder metallurgy.

Q: How to polish the rough surface of cemented carbide, what is the shortcut? Seek expert advice. Thank you。: Polish the surface of the cemented carbide surface by using diamond abrasive paste. When polishing, can not cut short, should be in accordance with the first rough grinding paste polishing, and then use fine grinding paste polishing process, and can not be directly polished with fine abrasive paste. Otherwise, the surface of the material will leave a wavy corrugation, which will be difficult to be polished with fine abrasive. In addition, the grinding efficiency of fine grinding paste is much lower than that of coarse paste.

Q: What's the use of recycling cemented carbide?: Recycling can be reused ah, and recycling plastics, scrap iron and so on are a reason.

Q: YW1 what do you mean by "YW" in carbide cutter head?: You can go to Zhuzhou tungsten alloy online to see them, there seems to explain in detail

Q: What is the difference between tungsten cobalt alloy and YG8 and YG6 series cemented carbide?: YG8.YG6 series alloys belong to class YG alloys. YG8 is softer than YG6 alloy.

Q: How much is a kilogram of cemented carbide now recycled?: Generally speaking, the retail price is 85 yuan per kilogram, of course, the price of large companies can be relatively high. The current market situation is not good, I suggest holding goods wait-and-see.

Q: Which prawns know of what is called red hard alloy.: In the hot state of the object, between the temperature of 500 to 1200 DEG C. The temperature rises, objects will be converted to red by incandescent state. The object is heated up to the state called red red.

Q: The welding welding hard alloy cutter, should use what type of flame why: With the fire on it. Put the knife and put some red hot and then put up with borax alloy outer flame burning red and then placed in a good point copper alloy and borax on the use of knife gap flow with upper and lower outer flame burnt gap can be

Q: What about cemented carbide produced in Zhuzhou? What brand is good?: Is good at home, as for the brand well of course is diamond, refined into a brand is also good, there are fine into hard alloy sales company, previously entered a large red facade, product is very much, the Diamond Road No. 24-5, hope to help to you.

Q: What are the common kinds of cemented carbides?: Cemented carbide is a hard particle of refractory metals (tungsten, tantalum, titanium, molybdenum, etc.) that is mixed with one or more iron elements (cobalt, nickel, or iron), pressed and molded, and then sintered. Types and properties of cemented carbides: (1) classification and grade of cemented carbides. Tungsten carbide cobalt carbide is mainly composed of tungsten carbide (WC) and binder cobalt (Co). The brand is from "YG" ("hard cobalt" Pinyin prefix) composition and percentage of average amount of cobalt. For example, YG8 is a tungsten cobalt carbide that represents an average WCo = 8% and the remainder is tungsten carbide. Tungsten carbide cobalt carbide is mainly composed of tungsten carbide, titanium carbide (TiC) and cobalt. The grade by "YT" ("hard ti" Pinyin prefix) and the average content of titanium carbide. For example, YT15 represents an average WTi = 15%, while the others are tungsten titanium cobalt carbide with tungsten carbide and cobalt content. The tungsten titanium tantalum (NB) hard alloy is the main component of tungsten carbide, titanium carbide, tantalum carbide (or niobium carbide) and cobalt. This kind of hard alloy is also called universal cemented carbide or universal hard alloy.

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