FeSi Alloy As Good Deoxidizer
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Ferro Silicon alloy
1. Ferro silicon is produced by reduction of silica or sand with coke in presence of scrap iron, millscale, or other source of iron.
2. Ferro silicon with silicon content up to about 15% are made in blast furnaces lined with acid fire bricks. Ferro silicon with higher silicon content are made in electric arc furnaces.
3. An overabundance of silica is used to prevent formation of silicon carbide. Microsilica is a useful byproduct.
4. The melting point and density of ferro silicon depends on its silicon content.
Specification
Brand | Composition% | |||||||
Si | Al | Ca | Mn | Cr | P | S | C | |
content | ≤ | |||||||
FeSi75All.5-A | 74.0-80.0 | 1.5 | 1.0 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75All.5-B | 72.0-80.0 | 1.5 | 1.0 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi75Al2.0-A | 74.0-80.0 | 2.0 | 1.0 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75Al2.0-B | 74.0-80.0 | 2.0 | 1.0 | 0.4 | 0.3 | 0.04 | 0.02 | 0.1 |
FeSi75Al2.0-C | 72.0-80.0 | 2.0 | 1.0 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi75-A | 74.0-80.0 | 2.0 | 1.0 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75-B | 74.0-80.0 | 2.0 | 1.0 | 0.4 | 0.3 | 0.04 | 0.02 | 0.1 |
FeSi75-C | 72.0-80.0 | 2.0 | 1.0 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi65 | 65.0-72.0 | 2.0 | 1.0 | 0.6 | 0.5 | 0.04 | 0.02 | 0.2 |
Table is not all of the specifications, we can provide other specifications to customers to satisfied your needed.
Usage
1. Ferro silicon is used as a source of silicon to reduce metals from their oxides and to deoxidize steel and other ferrous alloys.This prevents the loss of carbon from the molten steel (so called blocking the heat);
2. Ferro silicon can be used to make other ferroalloys. Ferrosilicon is also used for manufacture of silicon, corrosion-resistant and high-temperature resistant ferrous silicon alloys, and silicon steel for electromotors and transformer cores.
In the manufacture of cast iron, ferrosilicon is used for inoculation of the iron to accelerate graphitization. In arc welding, ferrosilicon can be found in some electrode coatings.
3.Ferro silicon is a basis for manufacture of prealloys like magnesium ferrosilicon (MgFeSi), used for modification of melted malleable iron. Ferrosilicon is also important as an additive to cast irons for controlling the initial content of silicon.
4.Ferro silicon is also used in the Pidgeon process to make magnesium from dolomite.
FACTORY:
- Q: Hard alloy is tungsten?
- You can understand that.Cemented carbide is a kind of alloy material made by powder metallurgy process of hard metal and bonding metal of refractory metal.Cemented carbides include:Tungsten cobalt carbideThe main ingredients are tungsten carbide (WC) and binder cobalt (Co).
- Q: What brand of carbide is used in woodworking tools?
- Carbide YS2T: is used for low speed roughing and milling of heat resistant alloys and semi finishing of titanium alloys, stainless steels, and low alloy steels. Carbide YL10.2: has high flexural strength and good wear resistance, used in low speed rough car and milling heat-resistant alloy, titanium alloy, also can be processed glass fiber reinforced plastic, making PCB micro drilling and so on. YG3/YG6: is suitable for hard alloy cast iron, nonferrous metals and their alloys and non metallic materials during continuous cutting fine cars, semi refined car, suitable for small section iron fine car, and can be used for the coarse thread, steel, nonferrous metals, wet lubrication tensile alloy wire and non metal wire drilling etc..
- Q: What material is that ultrafine cemented carbide?
- The main component of cemented carbide is tungsten carbide, so also known as tungsten steel, tungsten steel belongs to hard alloy, also called tungsten titanium alloy. The hardness can reach HRB89 to 95Tungsten steel production process is as follows: the powder is pressed into a blank, and then into the furnace heated to a certain temperature (sintering temperature), and keep a certain time (time), and then cooled down to obtain the required properties of tungsten materials.The characteristics of ultrafine cemented carbide is the main component of WC, compared to the hard phase and general hard alloy, the hard phase particles are very fine (average grain size less than 1um), so you can get a higher than the general hard alloy of the same hardness strength (toughness), edge grinding can be sharper and better wear resistance.
- Q: One can write on the hard alloy on the pencil, what's the name ah, who knows.
- You need it. It's all there. You're over there
- Q: Machining center 8 mm carbide cutter processing 45 steel, how to set the speed, feed, and moving speed?
- You should be a 8 mm tungsten steel milling cutter, the speed should be controlled below 2200 to 3000, because the speed and your cutting are related to the amount of advice:
- Q: What is the hardness of cemented carbide?
- Different grades, different hardness, usually (86 ~ 93HRA, equivalent to 69 ~ 81HRC);
- Q: Use of waste cemented carbide
- Two, crushing methodFor hard alloy containing drilling is not high, because the hardness is relatively low, can use manual or mechanical means broken to a certain fineness in wet grinding mill for a period of time, to reach a certain size for reproduction of hard alloy. This force is a method has the advantages of simple process, short process, low energy consumption, no pollution to the environment, but often in the manual crushing hard alloy, metallic materials due to debris into the tools have broken material pollution, in addition, due to the hard alloy drill containing high amount of easily broken, mechanical crushing method is very limited; cemented carbide complex material by this method is also very difficult to ensure the quality of recycled products. Process method: artificial crushing is broken, crushed into powder 200 mesh or using bulk of hard alloy ball mill for crushing strikes the ball, then add in the bjm alcohol in wet grinding, and then enter the remanufacturing process of hard alloy.Some companies use cooling method: first crushing waste hard alloy in a muffle furnace heated to 80 above this immediately into the water quench, resulting in hard alloy cracking, and then enter the mechanical crushing process. This force is a method in the last century in 90s in Hebei Province Qinghe to gain popularity, there were dozens of county size ranging from recycling plant using the recycled and processed hard alloy, hard alloy processed over a thousand tons of annual production, the total output value of 300 million yuan, becoming one of the local pillar industry. At present, there is still a certain space for development of the crushing method, and the crushing method still needs to be improved by adopting more advanced and clean crushing equipment or by means of the force method which does not destroy the microstructure of cemented carbide with high efficiency.
- Q: What are the parameters of the wear resistance of cemented carbides in addition to their hardness?
- The bending strength of YG20 can reach 2500, which is suitable for making stamping dies. The bending strength of YG15 and JK13 can reach 2550, and the bending strength of JK15 can reach 2600, but the wear resistance is lower. The flexural strength of JK1 is 2500, and it has good wear resistance.
- Q: Processing stainless steel 301 milling thickness of about 3 millimeters, with what blade good?
- Friends, according to your question, if change my words, I choose YS25Grade ISO grouping, code name, density, bending strength, hardness, useYS25 12.8 P25 13.2 = 1780 = 90.5 for carbon steel, cast steel, high manganese steel, high strengthRough turning, milling and planing of steel and alloy steelYou mainly milling the surface is not refined, there is no need to use that good, in one is YS25, cheap, well, that's it, if there is any good advice to my replies
- Q: What are the main causes of wear of high speed steel cutting tools and carbide cutting tools?
- Basically the same, such as plastic wear, flank wear, crater wear, chipping... And so on, each kind of wear phenomenon has the reason, also has some remedial or the improvement measure....High speed steel has lower hardness and abrasion resistance ability is not high, but good toughness, high precision of complex cutting tools, such as broach, gear cutter or the use of high speed steel more, while the standard NC tool are used in a lot of hard alloy or indexable tool..
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FeSi Alloy As Good Deoxidizer
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