FeSi 72 For Making Ductile Cast iron

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Specifications

FeSi 72 for making ductile cast iron
1.13 years' professional experience
2.Controlled composition&size
3.ISO&SGS QA

FeSi 72 for making ductile cast iron

Description

Ferro Silicon is a kind of ferroalloy which is composed of ferrum and silicon. Ferro Silicon uses coke, quartz (or silica) as raw materials and is made by electric furnace. Because silicon and oxygen are easily compound into SiO2, the ferrosilicon is often used as deoxidizer in steelmaking.

Application

1. Ferrosilicon is often used as deoxidizer in steel- making.

2. Ferrosilicon 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. It can be used as a reductant in ferroalloy production and chemical industry.

4. In iron industry it can be used as inoculant and nodulizer.

Specification

Brand	Chemical Composition (%)
	Si	Al	Ca	P		S		C		Fe
		<=
FeSi75-A	74.0-80.0	1.5	1		0.035		0.02		0.2		Balance
FeSi75-B	72.0-80.0	1.5	1		0.04		0.02		0.2		Balance
FeSi72	72	1.5	1		0.04		0.02		0.2		Balance
FeSi70	70	1.5	1		0.04		0.02		0.2		Balance
FeSi65	65.0-72.0	2	1		0.04		0.02		0.2		Balance
FeSi45	40.0-47.0	2	2		0.04		0.02		0.2		Balance

FeSi 72 For Making Ductile Cast iron

Q:Can carbide drills be used for high speed steel twist drills?: If not drill quenching steel, or stainless steel material, usually try not to use the hard alloy bit, the reason is that the hard alloy bit is easily broken, unless the non use of the situation, will use the hard alloy bit. The use of high-speed steel drills is sufficient to meet the needs of the job.

Q:What is the difference between the production process of ferrous powder metallurgy and cemented carbide?: In 1890, the invention of tungsten powder, made by powder metallurgy, in the United States, laid the foundation of modern powder metallurgy. Around 1910, it has been made by powder metallurgy method of tungsten and molybdenum products, hard alloy, bronze bearings, porous filters, brush set, and gradually formed a complete set of powder metallurgy technology. In 1930s, after the advent of the vortex grinding iron powder and the carbon reduced iron powder, the iron based mechanical parts made by powder metallurgy have gained rapid development.

Q:What does American standard cemented carbide grain size C mean?: Then, when the mixture is granulated and pressed and heated to a point near the bonding metal (1300~1500 DEG C), the eutectic alloy is formed by the hardening and bonding of the metal. After cooling, the hardened phases are distributed in a grid of bonded metals that are closely related to each other and form a solid whole. The hardness of cemented carbide depends on the content of the hardened phase and grain size. The higher the content of the hardened phase and the finer the grain, the greater the hardness. The toughness of cemented carbide is determined by bonding metal. The higher the bonding metal content is, the greater the bending strength is. The effect of grain size on the mechanical properties of metals has a curve diagram: the strength of both ends is large and the middle is low. Explain: the mechanical properties of single crystals are very good. The finer the grain, the better the mechanical properties, but the mechanical properties of the single crystal with infinite size are much better than the grain's infinitesimal! A lot of grain size control method, the main principle of two: 1, increase the metal crystallization undercooling of 2, increase the crystal nucleus specific methods: electromagnetic stirring, adding grain refiner (such as Aluminum Alloy plus Al-Ti-C master alloy as grain refiner), lower solidification temperature, and fine grain of alloy elements and so on many.

Q:Tungsten carbide cutter white steel cutter carbide cutter is what is the difference?: The main component of the tungsten steel milling cutter in cemented carbide is tungsten carbide, tungsten steel on steel hardness and heat resistance are significantly improved, but the toughness decreased sharply.

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 type of emery grinding machine is 3000/min for grinding carbide turning tools (e.g., YG8.YS8.YT15.YW1, etc.)?: Diamond grinding wheel, green carborundum wheel can be used. Two, choose one, or choose the former good. Diamond grinding wheel has the advantages of less wear, long life, high productivity and good processing quality, that is, the price is a little more expensive.

Q:What is the tungsten alloy blade, what is the difference with the hard alloy blade? What is it for?: Tungsten alloy blade is a kind of hard alloy, metal processing used in the workpiece.You search for Zhuzhou cemented carbide first station can help you to find out more information

Q:What are the features of cemented carbide YG8 knives?: Density: 14.6-14.8; hardness HRA:90.5; flexural strength, Mpa2300High bending strength, shock resistance and vibration resistance is better than YG6. It is suitable for low speed rough machining of cast iron, non-ferrous metals and their alloys, and non-metallic materials

Q:What kind of grinding wheel is the most suitable for carbide tools?. My existing grinder, 2800 rpm, /s wheel diameter, can hold 250mm. Please help answer.: Green silicon carbide particle size 60-80, coarse grinding fine grinding. Sharpening bar with white corundum

Q:What is the difference between them?From hardness, abrasion resistance analysis!: Is the use of metal carbide hard alloy 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. Its hardness is 93 HRA8, high temperature resistance of 850 ~ 1000 C, 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, hard alloy is commonly used tungsten cobalt (YG), tungsten titanium cobalt (YT) and general hard alloy (YW) three.Diamond is an allotrope of carbon, natural diamond and diamond two.

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