The calcium silicon/coking coal

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Lianyungang
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1000 m.t.
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1000000 m.t./month

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metal: metal

Product Description:

We export many kinds of coke, such as metallurgical coke (met coke) of 40-100 mm, theNUT coke of 20 to 50 mm, coke breeze of 3 to 6 mm, and so on. The main source isShanxi coking plant. 

Deoxidizer. Removing the oxygen in molten steel in the process of steelmaking, some ferroalloy can removing the other impurities such as sulfur, nitrogen in steel.

Additive in alloy. According to the requirements of steel composition, adding alloying elements in the steel to improve the performance of the steel.

Inoculant. In front of the cast iron casting in molten iron, improve the crystallization of castings.

Reducing agent to the metal thermal reduction process in the production of other alloy and nonferrous metal reducing agent; Non-ferrous alloy alloy additive; Also a small amount of used in the chemical industry and other industries.

All steel, steel capital is a kind of ferroalloys, it also makes the iron alloy is the most widely used, dosage biggest alloy.

Also put some iron with high carbon content in high school textbooks and all the iron alloy is called ferroalloy.


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The calcium silicon/coking coal

The calcium silicon/coking coal

The calcium silicon/coking coal




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Q:How to solve the severe wear of the flank of the carbide blade during machining?
2. Contact the company or log on to the company's website for communication.Carbide inserts are made of hard alloy, an alloy made from refractory metals, hard compounds, and bonded metals by powder metallurgy.Hard alloy with high hardness, strength and toughness, good wear resistance, heat resistance, corrosion resistance and a series of excellent performance, especially high hardness and wear resistance of it, even at a temperature of 500 DEG C also remained unchanged, at 1000 degrees C still have high hardness.
Q:What kinds of carbides are there? How should we choose in production?
Tungsten cobalt carbide (YG): suitable for brittle materials such as cast iron;Tungsten cobalt titanium carbide (YT): it is suitable for processing plastic materials, such as steel;General purpose cemented carbide (YW): commonly used for processing stainless steel, heat-resistant steel, high manganese steel and other difficult to process materials.
Q:What industry does carbide belong to? Five
Cemented carbide is a powder metallurgy product, mainly used in cutting tools, belonging to the tool industry. Other powder metallurgy products should belong to the machinery manufacturing industry.
Q:What are the differences in performance between cemented carbide cutting tools and PCD cutters (polycrystalline diamond)?
The former is cut by ordinary metal materials, the latter is used for cutting superhard materials
Q:Purchased welding wire, carbide grinding head, diverter, bolt, gear, etc.,
Bolts are standard partsDiverter and mutual inductor belong to instrument classGears and chains belong to mechanical partsTo have a task list of tasks, facilitate the cost accounting of this task.Establish simple running account, operator, operator's signature and use.
Q:What's the use of recycling cemented carbide?
In the cutting tool is also hard alloy materials, recycling can be re - cemented carbide cutting tools ah.
Q:What is carbide material P30, please?
1.p stands for ferrous metals suitable for working long cuts.2.p30 is suitable for working steel, cast steel, long cut malleable iron. Suitable for general rough machining.
Q:What are the common kinds of cemented carbides?
Cemented carbide is a hard particle of refractory metals (tungsten, tantalum, titanium, molybdenum, etc.) that is mixed with one or more iron elements (cobalt, nickel, or iron), pressed and molded, and then sintered. Types and properties of cemented carbides: (1) classification and grade of cemented carbides. Tungsten carbide cobalt carbide is mainly composed of tungsten carbide (WC) and binder cobalt (Co). The brand is from "YG" ("hard cobalt" Pinyin prefix) composition and percentage of average amount of cobalt. For example, YG8 is a tungsten cobalt carbide that represents an average WCo = 8% and the remainder is tungsten carbide. Tungsten carbide cobalt carbide is mainly composed of tungsten carbide, titanium carbide (TiC) and cobalt. The grade by "YT" ("hard ti" Pinyin prefix) and the average content of titanium carbide. For example, YT15 represents an average WTi = 15%, while the others are tungsten titanium cobalt carbide with tungsten carbide and cobalt content. The tungsten titanium tantalum (NB) hard alloy is the main component of tungsten carbide, titanium carbide, tantalum carbide (or niobium carbide) and cobalt. This kind of hard alloy is also called universal cemented carbide or universal hard alloy.
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:The difference between cemented carbide YG 15 and yg12
K30 YG8N YG8 14.5-14.9 160089.5 is suitable for cast iron, nonferrous metals and their alloys and non-metallic materials processing, not smooth, rough and discontinuous cutting section of rough planing, rough milling, drilling, reaming hole and deep hole. K30 YG8 YG10X 14.3-14.7 220089.5 is suitable for the production of small diameter micro drill, milling cutter, rotary file etc.. K35 YG10X YS2T 14.4-14.6 220091.5 is an ultrafine particle alloy, suitable for low speed rough turning, milling of heat-resistant alloy and titanium alloy, as cutting knives and taps, saw blades, milling cutters are preferred. K30 YS2T YL10.1 14.91900 91.5 has better wear resistance and bending strength, mainly used for the production of extruded bars, suitable for general drills, cutting tools and other wear-resistant parts. K15-K25 YL10.1 14.52200 YL10.2 91.5 has good abrasion resistance and bending strength, mainly used in the production of extruded rods, made of small diameter micro drill tool, watch the whole processing, and other cutting tools and wear parts reamer. K25-K35, YL10.2, YG15, 13.9-14.2 210087 are suitable for high tensile steel bars and steel tubes under high compression, for upsetting, piercing and stamping tools under larger stresses. YG15 YG20 13.4-13.7 250085 is suitable for production of stamping die, stamping parts, such as watch spring plates of musical instruments; die punching battery shell, toothpaste tubes; stamping die small size steel balls, screws, nuts etc; twist drill bits.

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