Metallurgical Coke of Coke Strength after Reactivity 65

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Tianjin
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TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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1. Structure of Metallurgical Coke of Coke Strength after Reactivity 65 Description

Coke is made by high temperature metallurgical coke for blast furnace smelting, casting and gasification. Occurring in the process of coking after recovery and purification of coke oven gas is a high calorific value of fuel, is an important industrial raw material in organic synthesis.

Coke is mainly used for blast furnace ironmaking and used for copper, lead, zinc, titanium, antimony, mercury and other non-ferrous metal smelting of blast furnace, reducing agent, compound and the function of stock column frame.

Blast furnace with Coke instead of charcoal, which laid a foundation for the large-scale of modern blast furnace, is a major milestone in the history of metallurgy.

2. Main Features of the Metallurgical Coke of Coke Strength after Reactivity 65

     Quality assurance

     Mutual benefit

     Preferential price

     Various choice

3. Metallurgical Coke of Coke Strength after Reactivity 65 Images:

 

Metallurgical   Coke   of   Coke   Strength  after  Reactivity 65

Metallurgical   Coke   of   Coke   Strength  after  Reactivity 65

Metallurgical   Coke   of   Coke   Strength  after  Reactivity 65

Metallurgical   Coke   of   Coke   Strength  after  Reactivity 65


4. Metallurgical Coke of Coke Strength after Reactivity 65 Specification:

 

Parameters

Guarantee

Rejection

Total Moisture (As received basis)

5% max


Ash (dry basis)

12.5% max

> 13.5%

Volatile Matter (dry basis)

1.5% max

> 1.8%

Sulphur (dry basis)

0.65% max

> 0.75%

Phosphorus (dry basis)

0.035% max

> 0.045%

M10

7% max

> 9%

M40

84% min

<82%

CSR

65%   min

<63%

CRI

25% max

> 27%

Size 30-90 mm

90% min


+90 mm

5% max

> 8%

-30mm

5% max

> 8%


5. FAQ

We have organized several common questions for our clients,may help you sincerely:

1) How to guarantee the quality of the products

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

2) What are coke's main physical properties?

The average heat capacity is 0.808 kj/(KGK) (100 ℃), 1.465 kj/(KGK) (1000 ℃)

Thermal conductivity is 2.64 kj/(MHK) (room temperature), 6.91 kj/(MHK) (900 ℃);

Ignition temperature (air) is 450-650 ℃.

3) How about your company

Our company began to export coke when China cancelled 40% of coke export tariffs and quotas on January 1, 2013. We export many kinds of coke, such as CSR60 % and CSR 62% metallurgical coke (met coke), the NUT coke of 20 to 50 mm, coke breeze of 3 to 6 mm, and so on.


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Q:Now on the market scrap carbide blade (YG8 milling cutter) how much is one kilogram?
Now on the market scrap carbide blade about 100 yuan / kg, depending on the alloy composition, trading area and fixed.Cemented carbide is a kind of alloy material made by powder metallurgy process of hard metal and bonding metal of refractory metal.
Q:How to tell what is hard alloy and what is high speed steel?
Hard alloy can be drawn off on high speed steel, and vice versa
Q:What are the three types of commonly used cemented carbides?
Common brands are YT5 (mass fraction of TiC is 5%), YT15 (mass fraction of TiC is 15%), with the mass fraction of TiC increased, the mass fraction of cobalt decreased, hardness and wear resistance increased, bending strength decreased. This kind of hard alloy is not suitable for processing stainless steel and titanium alloy.K class (equivalent to China's YG class), cemented carbide composed of WC and Co, also known as tungsten cobalt carbide. These alloys are mainly used to process cast iron, nonferrous metals and their alloys. The common grades are TG6 (cobalt mass fraction 6%) and YG8 (cobalt mass fraction 8%).
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:What kinds of carbides are there? How should we choose in production?
Basically divided into four major categories: YG, YW, YS, YT.YG is cast iron, nonferrous metal, base alloy steel.YW is made of stainless steel and base alloy steel.YS is the finishing of high strength steel, steel and cast steel.YT is the rough processing of steel and cast steel.
Q:What type of carbide is the most ductile?
Cemented carbide material with tungsten and cobalt carbide toughness is better, at present the carbide grade in the most toughness of YG15. The relation between cobalt content and toughness is shown below. It can be seen that cobalt content and 13%-16% toughness are the best. In this interval, only YG15 cobalt content is 15%.
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 wood cutting tools are made of hard alloy, high speed steel and diamond.
Artificial diamond is in high temperature (about 2000 DEG C) and high pressure (5 ~ 9GPa) and the metal catalyst under the condition of the graphite into diamond (PCD) tool. The tool of non-ferrous metals and non-metallic materials processing the alloy, ceramics, glass, wood, graphite and other best. With a cutting speed of up to 5000m/min PCD cutting tool Aluminum Alloy above. High speed steel alloy steel is a kind of complicated, containing tungsten, molybdenum, chromium, vanadium and cobalt carbide forming elements about alloy element.
Q:What about cemented carbide produced in Zhuzhou? What brand is good?
Diamond brand still has a certain position, the 1 floor said that the fine carbide sales company, I pass there every day, but also put Alibaba lights in there
Q:What is the base material of carbide saw blade?
You can go to Zhuzhou tungsten alloy technology forum to see, detailed description of the carbide saw blade related knowledge, you can go to a lot of professionals with whom to communicate inside.

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