high purity AL2O3 95%

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Specifications

Brown Fused Aluminum Oxide BFA
Rust removal+Reusable abrasive
Paint-stripping+Roughening
blast-cleaning

Brown Fused Aluminum Oxide BFA

Brown fused alumina is made from high quality bauxite by fusing in an electric arc furnace at high temperature. It has good toughness and high hardness. It is suitable for manufacturing of vitrified and resin bonded tools, and for lapping , polishing , and sand blasting and sand cleaning.
It can be also used to make superior refractory products.

Application Industry : A brasives industry, refractory materials
Abrasive cutting tools, moulds, bulletproof material
To make mechanical parts, all kinds of mold
To do mechanical parts, all kinds of mold
Ceramic grinding tool, high-grade abrasive, abrasive, abrasive belt, organic coated abrasive tool

Brown Fused Alumina SPEC:

Items		Unit	Index	Typical
	Al2O3	%	95%min	95.6
Chemical	SiO2	%	1.50max	1.36
Composition	Fe2O3	%	0.30max	0.07
	TiO2	%	3.00max	2.05
	CaO+MgO	%	1.0max	0.7
Melting point		°C	2050
Refractoriness		°C	1980
True density		g/cm3	3.90min
Mohs hardness		---	9.00min
Grain size		mm	0-50,0-1, 1-3, 3-5,5-8
Fine powder		mesh	-80, 100, 150, 200, 325F
Abrasive grade		FEPA	F14---F30—F150-F220

high purity AL2O3 95%

Q:What about cemented carbide produced in Zhuzhou? What brand is good?: Is good at home, as for the brand well of course is diamond, refined into a brand is also good, there are fine into hard alloy sales company, previously entered a large red facade, product is very much, the Diamond Road No. 24-5, hope to help to you.

Q:YW1 what do you mean by "YW" in carbide cutter head?: You can go to Zhuzhou tungsten alloy online to see them, there seems to explain in detail

Q:What kind of clamp blade should be used for hard alloy?: Hard alloy tools are used for turning cemented carbides. Now the general superhard materials are PCD (polycrystalline diamond) and PCBN (poly cubic boron nitride)However, because carbide contains more carbon elements, PCD is easy to produce chemical dissolution (carbon affinity) during processing, so the PCBN blade should be considered.

Q:Will the alloy produced at 400 watts be decarburization or carburizing?: This is not necessarily, the hard alloy sintering infiltration decarburization mainly in wet grinding your ingredients and carbon sintering process control, vacuum furnace gas in order to prevent the reaction of pure, alloy with oxygen in the air, infiltration and decarburization products have no direct relationship, of course if it is caused by the leakage of vacuum sintering furnace can not meet the requirements, will lead to the direction of decarburization alloy.

Q:What are the types, codes, and range of application of cemented carbides?: I am also engaged in carbide industry, different grades (there are ISO brand, there are some domestic brands, and some even use the manufacturer's own brand) on behalf of the composition and use of the barrier.. Because of the wide variety of brand names, the average person will only involve one or several specific industries, and there is no need to know all the code names and their detailed performance... Therefore, we usually produce or recommend the brand (code name) according to the performance and use of the customer..Customers are generally in order before provide you with detailed performance parameters, although not in the factory name brand in different, but according to the performance parameters of the still commonly found in different plant in the corresponding or similar grades, but some brands of blade complex, and complex composition, tell you some properties can not be done with the original brand as like as two peas.. In the blade field, there is still a big gap between China and foreign countriesAlso, due to the development of hard alloy, grade ISO has lost his original meaning of..K20, K30, K40, K05.. And so on, people don't seem to know what they want, if my client told me that these ISO grades, I basically have to provide him with detailed performance parameters..Friends, you are in that industry, our company mainly engaged in geological and mining products (ball gear, drill chip, pick, engineering, knife, shovel snow tooth.Etc)

Q:What kinds of carbide knives do you have? Write out its main functions and uses.: The commonly used cemented carbides are mainly based on WC, and are classified into the following categories whether or not they are added to other carbides:(1) tungsten cobalt (WC+Co) cemented carbide (YG);It consists of WC and Co, has high flexural strength toughness, good thermal conductivity, but poor heat resistance and wear resistance, mainly for the processing of cast iron and non-ferrous metals. YG hard alloy fine grain (such as YG3X, YG6X), in the same amount of cobalt, its hardness wear resistance than YG3, YG6 high strength and toughness is poor, suitable for machining hard cast iron, austenitic stainless steel, heat-resistant alloy, hard bronze.

Q:Is the hard alloy the same as the cemented carbide?: Is essentially the same, are two kinds of powder alloy materials, but the composition is different, its processing performance depends on the alloy material of concrete, in my experience, super hard alloy toughness than hard alloy with high hardness, but lower than the hard alloy, don't be misled by the literal meaning, the word super tool hard alloy generally refers to add the other ingredients of high speed steel the hardness wear resistance than ordinary high speed steel (of course not hard alloy) without losing the advantages of high speed steel toughness.

Q:How hard is the carbide knife?: The sintering temperature of the cemented carbide is about 1200 degrees centigrade. The welding temperature of the tool copper is about 850 degrees, the brazing of silver is about 700 degrees centigrade, the temperature of the metal cutting point is about 800 degrees, and the cutting temperature of the woodworking will not exceed 100 degrees centigrade.

Q:Carbon steel valves in Baidu LibraryThe temperature can reach 425 degrees, is not without welding carbide seal, who has no detailed material ah?,: I don't know what you said is the Stellite hard alloy of? That's what we call cobalt base. On the seal, welding cobalt base is not in order to meet his temperature, but also to meet the wear resistance, corrosion resistance. The general condition is both wear resistant or wear resistant and corrosion resistant performance, some conditions may also require high temperature wear resistance and corrosion resistance, it will be based on the condition to decide whether the welding in the manufacturing process of the valve!

Q:HSS clip can clamp the hard alloy saw it: According to S=Vc/ (pi * saw diameter).Extended introduction:product mixMonolithicThe cutter body and the cutter tooth are made into a whole.Integral welding gear typeThe tool tooth is made of hard alloy or other wear-resistant tool material and brazed to the cutter body.Inserted toothThe cutter teeth are fastened on the cutter body by mechanical clamping method. The replaceable cutter tooth can be the cutter head of the whole cutter material, or the cutter head of the welding tool material.

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