FeSi 75 - 65 # With Hight Quality And Low Price

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Ferro Silicon is a ferroalloy an alloy of iron and silicon with between 15% and 90% silicon. It contains a high proportion of iron silicides. Its melting point is about 1200 °C to 1250 °C with a boiling point of 2355 °C. It also contains about 1% to 2% of calcium and aluminium.

Application: Ferro Silicon is usually used in steel industry as a deoxidizing material and it is also used as a bud or spraut in the Moulding industry. It also has major applications as deoxidizing material in steel manufacturing and alloy manufacturing industries, in the production of cast iron and steel, making improvement in the metallic structure and granulation in the molding of alloy and non-alloy cast irons, restoration of other Ferro alloys, and especially in the structure of nouvelle alloy steel.

The specification of Ferro Silicon (55%, 65%, 70%, 75%, 80%, etc.) :

Chemical Composition %

Type

FeSi 75% min

FeSi 72% min

FeSi 68% min

Si ≥

75.0

72.0

68.0

Al ≤

2.0

2.0

2.0

Ca ≤

1.0

1.0

1.0

Mn ≤

0.4

0.5

0.6

Cr ≤

0.3

0.5

0.5

P ≤

0.035

0.04

0.04

S ≤

0.02

0.02

0.02

C ≤

0.01

0.2

0.2

Size (mm): 10-50mm, 10-100mm






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Q:How to detect carbide material is raw material or recycled material, what is the difference?
The original material has uniform particle size and stable performance.
Q:What is hard alloy grinding?
Diamond grinding wheel in grinding hard alloy and non-metallic materials, has a unique effect, but in the grinding of steel material, especially grinding special steel, the effect is not significant. It is composed of cubic boron nitride (CBN) grinding cubic boron nitride particles sticking to the ordinary wheel surface only a very thin layer, the abrasive wear the hardness, toughness and durability of corundum wheel is 100 times, the most suitable for processing high hardness, high viscosity, high strength, low thermal conductivity of grinding hard steel and high or super high speed grinding.
Q:What material is that ultrafine cemented carbide?
You mean the ultra-fine grain cemented carbide, generally we have 0.6 alloy grain size is fine, which belongs to the tungsten carbide base hard alloy, ordinary tungsten carbide base hard alloy strength and hardness are higher than the same cobalt content. The process is mainly mixing, wetting, drying, forming, sintering, finishing, such as sand blasting, CVD/PVD coating, heat treatment, etc.
Q:General carbide and high-speed steel blade cutting speed? (about the range is OK.)
Carbon tool steel / high speed steel, 50m/min superhard tool, 150m/min coating tool, 300m/min PVD porcelain, 350m/min cermet, 300m/min ceramic tool, 1000m/min CBN, 1000m/min, PCD, 1000m/min
Q:What is the consciousness of YG in YG cemented carbide?
YT carbide hard alloy has relatively high hardness, but poor toughness, poor impact resistance. It is suitable for processing plastic material used to machining without quenching medium and low carbon steel, alloy steel and so on.
Q:Hard alloy die polishing with what can be reached Ukraine black brightness
What if this need to die, the smaller diameter must be black if the large diameter is bright, with a diamond grinding paste and polishing powder
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:The difference between HSS and carbide knives
High speed steel which is mainly used in the rapid operation of the machine, its good fatigue performance, high temperature performance is better, but the hardness is generally hard alloy steel mainly refers to alloy steel with high hardness, high hardness of the steel is mainly emphasized in a certain range, but may be brittle or will be relatively large, high performance high temperature, poor.
Q:What does American standard cemented carbide grain size C mean?
In addition to carbon atoms, nitrogen atoms and boron atoms can also enter the voids in the metal lattices to form interstitial solutions. They are similar to those of interstitial carbides, which can conduct electric conduction, heat conduction, high melting point, hardness and brittleness. The matrix of cemented carbide consists of two parts: one is a hardening phase, and the other is a bonding metal. Is the hardening phase transition metal carbides in the periodic table of elements, such as tungsten carbide, titanium carbide, tantalum carbide, their hardness is very high, the melting point of 2000 DEG C, and some even more than 4000 DEG C. In addition, transition metal nitrides, boride and silicides have similar properties and can also act as hardening phases in cemented carbides. The presence of the hardened phase determines the alloy's extremely high hardness and wear resistance. Bonding metals are generally iron based metals, and cobalt and nickel are commonly used. In the manufacture of cemented carbide, the size of the raw material powder is between 1~2 microns and the purity is very high. Raw materials according to the provisions of the proportion of added alcohol or other medium in the wet ball mill in wet grinding, making them fully mixing, crushing, drying, sieving after adding wax or gel forming agent of a class, and then drying and sieving to prepare a mixture.
Q:Material properties of Cemented Carbides
Hard alloy with high hardness of refractory metal carbides (WC, TiC) micron powder as the main ingredient, with cobalt or nickel (Co) (Ni), molybdenum (Mo) as the binder, powder metallurgy products in vacuum furnace or hydrogen reduction sintering furnace. IV, B, V, B, VI, B group of metal carbides, nitrides, boride, etc., because of hardness and melting point is particularly high, collectively referred to as cemented carbide. The structure, characteristics and application of hard gold content are described with carbide as the key point. IV, B, V, B, VI, B group metals and carbon formed in the metal type carbide, because the carbon atom radius is small, can be filled in the gaps of the metal lattice, and retain the original lattice form of metal, forming interstitial solid solution. Under appropriate conditions, such solid solution can continue to dissolve its constituent elements until it reaches saturation. Therefore, their composition can change in a certain range (such as the composition of titanium carbide in TiC0.5 ~ TiC changes), chemical formula does not conform to the rules of valence. When the dissolved carbon content exceeds a certain limit (such as titanium carbide in Ti: C=1: 1), the lattice type will be changed, the original metal lattice metal lattice into another form, then the interstitial solid solution called interstitial compounds.

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