Good Quality Metallurgical Fesi

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Product Description:

Specifications

1.1 MT PP bag
2.Used as deoxidizer in steel-making
3.Composition:Si ,Al, Ca ,Mn,Cr,S ,P ,C
4.Certificates: ISO 9001: 2008

Discription:

Ferro silicon is an atomized alloy,which is formed by combining iron and silicon with a silicon content range of 15% to 90%.Ferro silicon is a universal “heat blocker” used in the production of carbon and stainless steels.

Specification:

Chemical composition:

Gradechemical composition(%)

Si

Al

Ca

Mn

Cr

P

S

C

FeSi75

75

1.5

1

0.5

0.5

0.04

0.02

0.2

FeSi72

72

2

1

0.5

0.5

0.04

0.02

0.2

FeSi70

70

2

1

0.6

0.5

0.04

0.02

0.2

FeSi65

65

2

1

0.7

0.5

0.04

0.02

0.2

FeSi60

60

2

1

0.8

0.6

0.05

0.03

0.3

FeSi45

40-47

2

1

0.7

0.5

0.04

0.02

0.2

Size: 10-100mm

Packing: In 1 MT big bag with bottom spout.

Chemical composition and size above can be optimized according to custom's requirement.

Detailed application:

1.Ferro silicon is often used as deoxidizer in steel making.

2.Ferro silicon also can be used as alloy elements join agent,which is widely used in low alloy steel,non-ferrous metal,bearing steel,heat-resistant steels and electrician silicon steel.

3.Ferro silicon commonly used as a reductant in ferroalloy production and chemical industry.

4.In iron industry,it often used as inoculant and nodulizer and deoxidizer.


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Q:Now on the market scrap carbide blade (YG8 milling cutter) how much is one kilogram?
Now on the market scrap carbide blade about 100 yuan / kg, depending on the alloy composition, trading area and fixed.Cemented carbide is a kind of alloy material made by powder metallurgy process of hard metal and bonding metal of refractory metal.
Q:Carbide grades YG6 and YG8. Which ones are used to process stones?
YG8 is suitable for YG6 with higher hardness, but less impact toughness
Q:Carbide grades, properties and applicable ranges
(4) tungsten titanium tantalum cobalt (WC+TiC+TaC+Co) cemented carbide (YW);In addition to TaC YT hard alloy on (NbC), improve the bending strength, impact toughness, high hardness, anti oxygen ability and wear resistance. Both can be processed and can be made of steel, cast iron and nonferrous metals. It is often called the universal hard alloy (also known as the universal hard alloy) mainly. For the processing of heat resistant steel, high manganese steel, stainless steel and other hard materials processing.
Q:What is the heat treatment process of cemented carbide?
The common heat treatment process of steel bonded carbide is spheroidizing annealing, quenching and tempering.1, spheroidizing annealing die steel bonded carbide matrix is steel, as the alloy tool steel, need to be spheroidizing annealing treatment, can machine processing. The process of spheroidizing degradation is: heating 850~890 DEG C, holding 4h, and cooling the furnace to about 730 DEG C, holding 6h, the furnace is cold, and the air cooled below 500 degrees centigrade,2, the purpose is to make the quenching matrix transforms into martensite, obtain high mechanical properties, due to poor thermal conductivity, preheating, hard steel bonded carbide in carbide phase of austenite grain growth to deter, and the dissolution of carbide in the matrix alloy, iron and hinder the diffusion of carbon atoms, of austenite the grain growth plays an inhibitory effect, so the steel bonded hard alloy quenching overheating less than alloy tool steel, quenching temperature can be higher, the time may be longer, usually for WC type steel bonded hard alloy, quenching temperature of 1020~1050; for TiC type steel bonded hard alloy, quenching temperature is 950~1000 DEG C; G type steel bonded cemented carbide phase with high speed steel, quenching temperature of 1200~1280.3, steel bonded hard alloy die after quenching tempering should be timely, especially the large die should be timely, in order to eliminate quenching stress, prevent mold cracking, while tempering can adjust the organization to obtain the mechanical properties required, tempering temperature often take 180~200 C, 2h insulation, high toughness, high temperature tempering can be used as 500~650 C, but the need to avoid the brittle temperature zone at 250~350 DEG C, high temperature tempering, the carbide precipitation and residual austenite transformation, there will be two hardening, but high temperature tempering will cause precipitation of lead carbide link impact toughness decreases.
Q:What is hard alloy steel?
Modern ultra hard alloys are produced by sintering of carbides of tungsten carbide and some other elements. It is the hard metal (tungsten, tantalum, titanium, molybdenum, etc.) carbide carbide particles, with one or several iron elements (cobalt, nickel or iron) powder mixed, pressed molding, and then made by sintering.
Q:Model of grinding carbide wheel sheet
I. model:Generally, diamond grinding wheels are used for grinding carbide, and diamond grinding wheels are usually divided into diamond size. Model 400 is fine.Two. Brief introduction of grinding wheel:Also called consolidation abrasives, grinding wheels are bonded by the bond of ordinary Abrasives into a certain shape (most round, central through hole), and has a certain strength of the consolidation of abrasives. It is generally made up of abrasives, binders and pores. These three parts are often called the three elements of the bonded abrasives. In accordance with the different classification of binders, there are common ceramic (bond) grinding wheel, resin (bond) grinding wheel, rubber (bond) grinding wheel. The grinding wheel is one of the largest amount of abrasives, widely used, when using high-speed rotation can be cylindrical, metal or nonmetal workpiece inner circle, plane and various surface of rough grinding, semi fine grinding and fine grinding and notching and cutting etc..
Q:What is the hardness of the carbide thread?
The hardness of cemented carbide tools is generally between 89~92.8, such as the hardness of YG8 is HRA89, the hardness of YT30 is 92.8, and the hardness of YT15 is 91.
Q:Can CBN wheels grind cemented carbide? Why?
Cubic boron nitride (CBN) grinding wheel is not suitable for grinding carbide and non-metallic hard materials. Cubic boron nitride (CBN) grinding wheel is suitable for processing several material products: high manganese steel; high chromium nickel molybdenum alloy steel; the chilled cast iron (HS80 ~ 90); the various types of hardened steel (HRC55 ~ 65); various types of iron (HB200 ~ 400), and has been in the domestic car (gear, flywheel, shaft, bearing, roller, machining) (slurry pump impeller, volute, shield, sheath and other processing) and mould, the glass cylinder; and the gem high hardness of soft and ductile materials, the high hardness in all walks of life to machining processing of materials, and can enhance the working efficiency. Greatly saves processing time and power and gain huge economic benefits.
Q:What is the coefficient of thermal expansion of cemented carbides?
The thermal expansion coefficient of cemented carbide is about 6*10^ (-6) / C, and there is a slight difference according to the type of cemented carbide
Q:What does American standard cemented carbide grain size C mean?
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, A, V, A, VI, A group metals and carbon formed in the metal type carbide, because the carbon atom radius is small, can be filled in the gap of the metal character, 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.

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