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



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Q:Does the hard alloy belong to the composite material?
It's a composite material made up of dock, titanium and cobalt.
Q:High speed steel has good toughness than the hard alloy tool,
In the car, titanium alloy, high speed steel cutting tool rake angle to 20 degrees angle than the carbide cutter. However, different the material should choose different rake angles, and not a fixed angle value.
Q:High end markets for cemented carbides
Chinese tool enterprises through continuous learning and strategic planning, has occupied half of the country, but in the market, enterprises in the development process and highlights several fatal problems, such as inadequate attention, improper handling, all these will seriously affect the development of enterprises.At this stage, carbide cutting tools in developed countries have accounted for the dominant position of the tool type, the proportion of up to 70%.
Q:Is carbide resistant to alkali?
That theory is divorced from practice is the greatest misfortune
Q:What are the contents of cemented carbide production test 20
From the simplest to the complex,Density test: Milito balance is good or bad, the equipment price is not the same, 3000 or soDetermination of coercive force: coercive magnetometerSpecific magnetic saturation intensity: magnetic saturation intensity testerHardness: Rockwell hardness testerBending strength: bending strength testerLook at the metallographic structure: Zeiss metallographic microscope
Q:Can ceramic tools process cemented carbides?
No, ceramic cutters are usually used to process cast iron (high speed machining) and high hardness steel (Cui Huogang).Generally, the hardness of ceramic tools reaches HRA91-95, while the hard alloy can reach HRA93.The main components of ceramic tool materials are Al2O3 with high hardness and melting point. Si3N4 and other oxides and nitrides, and then added a small amount of metal carbide, oxide or pure metal additives, formed by pressing, sintering, and then a tool material. Its hardness can reach HRA91 ~ 95, and the hardness of HRA80 can still be kept at the cutting temperature of 1200 DEG C. In addition, the chemical inertia is large, the friction coefficient is small, and the wear resistance is good, and the service life of the processed steel pieces is 10~12 times of that of the hard alloy.Its major disadvantages are brittleness, low bending strength and low impact toughness. Therefore, it is mainly used for semi finishing and finishing, high hardness, high strength steel and chilled cast iron and other materials. Commonly used ceramic cutting tools are alumina ceramics, composite alumina ceramics and composite silica ceramics.Taiwan is hard gold metal carbide with high heat resistance and high wear resistance (WC tungsten carbide, titanium carbide, tantalum niobium carbide TiC TaC, NbC etc.) and metal binder (cobalt, nickel and molybdenum) powder metallurgy products under high temperature sintering. The hardness of HRA8 9 ~ 93, 850 ~ 1000 DEG C high temperature resistant, has good abrasion resistance, allowing the use of the cutting speed can reach 100 ~ 300m / min, can be a variety of materials including machining hardened steel, therefore it is widely available.
Q:What materials are hard alloys used to process?
YW hard alloy, high temperature resistant, wear-resistant, high hardness steel, stainless steel and so on.
Q:Chengdu which has carbide scrap acquisition point?
Bars of 75000 yuan / kg (Fu Xujian) Zhejiang Zhoushan self-employed waste tungsten 150-200 yuan / kg, Hebei Hengshui Gucheng County Sindh rare metals tungsten tailings 100-300 yuan / ton Guangzhou lechran gold bars 1200 yuan / kg, Zhengzhou Zhengzhou Hongsen tin small PCB tungsten steel drill 160-190 yuan / kg in Zhejiang Taizhou
Q:The milling of hard cutting workpiece hard alloy cutter knife edge collapse and Countermeasures of reason
The cutter model is wrong, the milling can not move the material, the resistance is big, then the knife breaks. Use 75 degrees to make the plane
Q:What is the base material of carbide saw blade?
Base material of carbide saw blade1., 65Mn spring steel, good elasticity and plasticity, material economy, heat treatment, hardenability, and its heating temperature is low, easy to deformation, can be used for cutting requirements of the blade is not high.2. carbon tool steel with high carbon content, high thermal conductivity, but by 200 degrees -250 degrees Celsius temperature, its hardness and wear resistance decreased rapidly, heat treatment deformation, hardenability, tempering time is long, easy to crack. Manufacture economical materials for cutting tools, such as T8A, T10A, T12A and so on. 3. alloy tool steel, compared with carbon tool steel, has good heat resistance, good wear resistance, good treatment performance, heat-resistant deformation temperature of 300 degrees -400 degrees, suitable for manufacturing high-grade alloy circular saw blade.4. high speed tool steel has good hardenability, hardness and rigidity, less heat distortion, ultra high strength steel, thermoplastic stability, suitable for manufacturing high-grade ultra-thin saw blade.

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