FeSi 72%&75% With Chinese Origin Export

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Ferro Silicon 72% & 75%.It is used extensively in the steel-making, casting non-ferrous metals and other industrial production.I

1, Features:
The appearance of Ferro Silicon is the grey lumpish solid. It has very strong stabilities and does not place any chemical reaction in the dry air.

2, Application:
It is used extensively in the steel-making, casting non-ferrous metals and other industrial production.It is the good deoxidizer and most steel kind use the Ferro Silicon for deoxidization;

In steel smelting, it is used to sedimentary accretion and expanding deoxidizing.It is used to prove the strength, hardness and elasticity of steel greatly in steel casting.

Grade

Chemicals    Composition(%)

Si

Al

C

S

P

%(min)

%(max)

FeSi 75%

FeSi 75%

FeSi 72%

75

0.5-1.0

0.15

0.02

0.04

75

1.5-2.0

0.20

0.02

0.04

72

1.5-2.0

0.20

0.02

0.04

FeSi 70%

70

1.5-2.0

0.20

0.02

0.04

Lump size

10-50 mm, 50-100 mm,10-100 mm,   50-150mm: 90%min, or at  customer’s option;

Packing

In jumbo bag about 1MT/bag



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Q:How hard is the carbide knife?
Cemented carbide has high hardness, high temperature resistance and good red hardness. It can still maintain good cutting performance at high temperature about 1000 degrees centigrade.
Q:Why carbide fracture?
Besides the material is very important, different material by using corresponding domestic and imported tungsten steel, it also has the very big difference.
Q:Is there any pollution in the production of cemented carbide?
The main pollutants in the production of cemented carbide are dust, waste residue and waste water, and the biggest influence on the environment is soot. According to regulations, waste gas can be divided into two categories: particulate matter, exhaust gas and gaseous pollutants. The exhaust gas of ferroalloy plant comes from ore smelting furnace, refining electric furnace, roasting rotary kiln, multi layer mechanical baking furnace and aluminum metal smelting furnace. Ferroalloy plant exhaust emissions, dust concentration is high, 90% of exhaust gas is silicon dioxide, but also contains chlorine, nitrogen oxides, carbon monoxide, sulfur dioxide and so on. Waste residue and waste water are the most serious pollution of chromium compounds, and there are also pollution of nickel compounds.The State Economic and Trade Commission, the State Environmental Protection Administration and other departments also jointly issued "on accelerating the restructuring of China's ferroalloy industry views" (in the economic and trade industry [1999]633), from 1999 to 2005, to stop the new types of ferroalloy electric furnace (kiln) and blast furnace.
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:What is the difference between hard alloy steel and high speed steel?
1, two kinds of material composition is different: the former WC+Co+TiC, etc., the latter is generally C+Cr+W+Mo+v2, forming methods are generally different: hard alloy is powder metallurgy process (of course, some are powder metallurgy high speed steel)
Q:What are the types, codes, and range of application of cemented carbides?
I am also engaged in carbide industry, different grades (there are ISO brand, there are some domestic brands, and some even use the manufacturer's own brand) on behalf of the composition and use of the barrier.. Because of the wide variety of brand names, the average person will only involve one or several specific industries, and there is no need to know all the code names and their detailed performance... Therefore, we usually produce or recommend the brand (code name) according to the performance and use of the customer..Customers are generally in order before provide you with detailed performance parameters, although not in the factory name brand in different, but according to the performance parameters of the still commonly found in different plant in the corresponding or similar grades, but some brands of blade complex, and complex composition, tell you some properties can not be done with the original brand as like as two peas.. In the blade field, there is still a big gap between China and foreign countriesAlso, due to the development of hard alloy, grade ISO has lost his original meaning of..K20, K30, K40, K05.. And so on, people don't seem to know what they want, if my client told me that these ISO grades, I basically have to provide him with detailed performance parameters..Friends, you are in that industry, our company mainly engaged in geological and mining products (ball gear, drill chip, pick, engineering, knife, shovel snow tooth.Etc)
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:What does WC refer to in cemented carbides?
Tungsten, titanium and cobalt carbideThe main components are 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, which represents average TiC=15%, is tungsten carbide cobalt carbide with the remainder of tungsten carbide and cobalt content.Tungsten, titanium, tantalum (niobium) carbidesIs 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.
Q:What is the reason for the metallographic cavity (as shown in the drawing) of cemented carbide?
YT14 alloy you said, if the above holes can start from the following aspects, 1, raw materials, dirty and high oxygen content, impurity content, sintering, 2.If the hole shape of the dirty and dirty, you can see some holes around a circle with cobalt layer, small holes are filled with cobalt, cobalt pool formation, if not pressure, hole like narrow shape.
Q:Why is carbide cutting tools less standard than high speed steel cutting tools?
Because the hard alloy material rigidity is better, the brittleness is bigger, the toughness is relatively bad, namely is easier than the high speed steel cutting tool to break off, after grinding blunt, the force is more complex. Greater resistance. Do you want your expensive tool to break?.

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