Ferro Silicon Alloy75% Inspection: CIQ SGS QA

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The introduction of the ferro silicon 75%

The introduction of the ferro silicon


Ferrosilicon has been widely applied.in the steel industry, foundry industry and other industrial production.


Ferrosilicon is indispensable deoxidizer in the steel industry., ferrosilicon is used for precipitation deoxidation and diffusion deoxidation in Ju steel. Brick iron also as an alloying agent used in steelmaking. Adding a certain amount silicon to the steel can significantly improve the strength, hardness,elasticity and permeability of steel, reduce the hysteresis loss of transformer steel.


High ferrosilicon or silicon alloys is used for the production of low-carbon reductant in ferroalloy industry. Adding ferrosilicon to cast iron can be inoculant for ductile iron, and can prevent the formation of carbides, and promote the precipitation of graphite and the nodulizing, so as to improve performance of cast iron.



In addition, ferrosilicon powder can be used as a suspended phase in the mineral processing industry,and coatings for welding electrodes in the electrode manufacturing




The application of the ferro silicon 75%



(1) in the steel industry used as deoxidizer and alloying agents.



(2) in the iron industry used as a nucleating agent and spheroidizing agent. Cast iron is a kind of important modern industrial metal materials, it is much cheaper than steel, easy to melt refining, excellent casting performance and seismic capacity is far better than steel. Especially the nodular cast iron, its mechanical performance at or near the steel mechanical property. Add a certain amount of silicon in cast iron can prevent iron in formation and precipitation of carbides, and promote the graphite spheroidizing, therefore in the nodular iron production, ferrosilicon inoculants is a kind of important separation graphite (help) and spheroidizing agent.



(3) used as a reductant in ferroalloy production. Not only chemical affinity between silicon and oxygen is very big, but also high silicon silicon carbon content is very low. So high silicon ferrosilicon (or siliceous alloy) is a low-carbon ferroalloy ferroalloy industry production more commonly used a reducing agent.

Ferro Silicon Alloy75% Inspection: CIQ SGS QA

Ferro Silicon Alloy75% Inspection: CIQ SGS QA


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Q:What are the types and specifications of carbide cutters?
Classification and grade of common cemented carbide (example)Tungsten cobalt carbideThe main ingredients are tungsten carbide (WC) and binder cobalt (Co)The brand is from "YG" ("hard cobalt" Pinyin prefix) composition and percentage of average cobalt content.For example, YG8 is a tungsten cobalt carbide that represents an average WCo = 8% and the remainder is tungsten carbideTungsten, titanium and cobalt carbide
Q:What is the difference between the raw and recycled materials of cemented carbides? The more specific, the better
Raw raw materials are raw materials, recycled materials have been used, and then recycled and re produced, raw materials than recycled materials used, and more pure materials.
Q:Carbide products which are used more?
Sealing rings in the sealing industry, mould industry, machine tools, milling cutters, drill bits in the mining industry, and armor piercing shells in the army, etc.
Q:K carbide carbide cutting tools, mainly used for turning what materials?
K class brand is the international standard ISO code, equivalent to China's class YG carbide brand, suitable for processing stainless steel, non-ferrous metals and alloys, as well as non-metallic materials, cast iron and other materials.
Q:The wood cutting tools are made of hard alloy, high speed steel and diamond.
A total of 10 ~ 25%. Under the condition of heat generated in the high-speed cutting (about 500 C) can still maintain a high hardness of HRC can be more than 60. This is the main characteristic of high speed steel - red hardness. And carbon tool steel after quenching and low temperature tempering, at room temperature has very high hardness, But when the temperature is higher than 200 DEG C, the hardness decreased rapidly, at 500 DEG C hardness has been reduced to a similar degree with annealing state, completely lost the ability of metal cutting, which limits the production of carbon tool steel and high-speed steel cutting tools. The red hardness, make up for the fatal defect of steel with carbon. That can be used in the manufacture of cutting tools.
Q:Carbide coated drill bit
1. carbide drills are generally worn in the back. Then it has little influence on service life.2., the high strength of the workpiece material, easy to cause the front of the drill (spiral groove) wear, bit life impact.
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:With 80 diameter milling cutter,
This belongs to the category of ductile iron, more difficult to process, because the material is hard particles, it is recommended around S=1200 F=400
Q:Is the hard alloy the same as the cemented carbide?
The CBN price is a little high. If you can't accept it, you can consider using the ceramic cutter to test the PCBN (CBN) blade. Ceramic blades can not work (he is brittle, easy to crack), super hard tool sales
Q:Carbide yk20? What do you mean?
Cemented carbides YK20, Y represent alloy categories - tungsten cobalt, K20 represents cobalt contentDensity g/cm3:14.30-14.60;The hardness of HRA is more than or equal to 86.5;The shear strength is greater than or equal to N/mm2:2350,Performance and usage: with high toughness and wear resistance, suitable for embedding percussive rotary drilling bit, drilling in hard and tight hard rock.

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