$300.00 - $500.00
Min. Order : 20 Sets

High Purity Corundum Spinel Superior Reliability at Extreme Operating Temperatures Refractory Well Block

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Quick Details

Port: Qingdao, Tianjin, Dalian, Shanghai
Payment Terms: L/C,T/T
Supply Ability: 200000 Set/Sets per Year
Usage: Steel Making
Shape: Block
Place of Origin: Henan China
Size: Customers' Requirement
Color: White or Green
MgO Content (%): ≤2.0%
Refractoriness (Degree): 1770°< Refractoriness< 2000°
Bulk Density: 2.9-3g/cm3
Material: Alumina Spinel
SiC Content (%): 0%
Raw material: Alumina Spinel
Model Number: Well Block
Name: Refractory Well Block
CaO Content (%): ≤1.4%
Brand Name: Kechuang New Material
Type: Manufacturer
Cold Crushing Strength: ≥50MPa
Al2O3 Content (%): ≥92%
CrO Content (%): 0%
SiO2 Content (%): 0.15%
Application: Steel Ladle
Certificate: ISO9001:2015
Packaging Detail: Wooden Cases for 8 or 10 sets
Luoyang Kechuang New Material Co., Ltd.
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Why Choose Us


National Equities Exchange and Quotations(NEEQ) listed company, stock code 833580, more trustworthy.


The largest purging/porous plug professional manufacture in China.

The professional technical team with over 20 people is mainly from the Luoyang Refractory Materials Research Institute of the former National Metallurgy Dept., including 3 PHds. There are 9 invention patents and 10 utility patents of completely independent intellectual property rights.

Product Details
    This product is composing of high purity raw materials, and process by low temperature baking or high temperature sintering. 

    The merits of this product include high thermal strength, thermal shock, anti-erosion, flush resistance as well as capable with heat repairing. 

     It also can be applied in refining ladle and continuous casting normal ladle for steelmaking LF, LF-VD, GAS-OB.

     Advantage of this product is good bonding strength, scouring resistant, long service life. Hot patching makes it quite flexible.

Chrome Corundum
Chrome Corundum Mullite
Al₂O₃ (%)
MgO (%)
Cr₂O₃ (%)

Bulk Density (g/cm³)
Cold Crushing Strength(MPa)

Unique Formula

The formula has unique patent of invention. It has the advantages of anti-erosion,anti-reaming, longer service life.

Unique Number

The shape of the well block is fully customized according to the customers' locale requirements. We have a professional machine maintenance team that can design and produce complex shape products.

The Chromium Content Is Optional

The chromium content in the well block can be completely customized according to the environmental policy requirements of the customer.


The use of the repairing mix, which is specially designed to repair the well block, can greatly improve the service life and make you feel at ease with it.

Related Products

Repairing Mix 

For Well Block

About Us

Development Status

The company covers an area of 90000 square kilometers and has capital asserts of 12.4 million. It is in possession of about 317 staff. Among them, there are over 20 experienced technicians with professional technical title of engineer or higher who are in charge of scientific research, production and management respectively.

Enterprise Capacity

With eleven standard production workshops, thirty-five drying kiln, eight high temperature kiln, the plant has an annual output of monolithic refractories more than 50,000 tons and prefabricate products about 30,000 tons. There also exists a mechanical processing workshop, carrying on the operation of mechanical process, the design and production of high tempera-ture industrial furnace.

Raw Material

Raw material warehouse

The raw materials of the well block produced by our company are all imported high quality materials, and every batch of the raw materials inspection system is executed to ensure the stability of the quality supply. After being qualified by technical quality department, it can be put into production and used.

    The company together with Luoyang institute of refractory research, Wuhan university of science and technology, Henan university of technology, Zhengzhou light metal institute and other institutes have developed and manufactured varieties of refractories which have been widely used in industries of metallurgy, metallurgy of non-ferrous metals, glass, ceramics, cement, oil and chemistry, electric power and so on. Scientific producing process, advanced fabricating equipment, exact examining measures and strict management system lay a stable fundamental to best product and services of clients. Some of the products have reached a national leading level, and some have replaced materials imported from abroad. With the capability of some products reaching or surpassing that of the same imported kind, they have been effectively used and well estimated by customers.


Q1.How could I make the order?
A): Send an E-mail to our sales manager or leave the message on our website to tell us your requirments of the products. We will confirm all the details of the products and make offical quotation to you. After we both sides makes the contract, then Advanced Payment - Producing - Loding - Blance Payment - Shipping and then you will get the goods. If you do not know how to deal with it, just call or E-mail us and we are at your service.

Q2.What is the Minimum order?

A): Minimum order for each modle is 20 pieces. We have many different kinds of well block, you can email us to get more details.

Q3.What is your terms of packing?
A): Generally, we pack our goods by fumigation free wooden boxes or cases. You can inform us in advance, if you have any special requirements.

Q4.What is your terms of payment?
A): T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q5.What is your sample policy?
A): We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost. And it is very high.

Q6.Can you produce according to the samples?

A): Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q7.What is your terms of delivery and how about your delivery time?
A): FOB, CFR, CIF is OK. Generally, it will take 35 to 65 days after recieving your advance payment. The specific delivery time depands on the items and the quantity of your order.

Q8.Can you offer me your price list?
A): The price of our product is based on size, refine processing and so on. After you confirmation all these details, our sales manager is very happy to offer the whole price list. If you are no idea about these specifications, we can provide paid door-to-door services to collect the information.

Q9.Can I have more details information about your product and your company?
A): Yes, Please email us, we will offer all the information you need within 24hours.

Q10. Is the price validity all the time?
A): The validity of the price list is within 15 days, and our sales manager will update the price list to you at time.

Q11.Do you welcome customers to visit your enterprise?
A): Of course! We welcome all of our clients to come to Luoyang and visit our company.

Contact Us

          Skype: David Zhang
          Mob: 0086 15838839155
          Tel: 0086 379 65551535
          Whatsapp & Wechat: +86 15838839155
          Email: zhangjy(at)lykcnm.com
          Web: http://www.lykcnm.com (Eng)
                    http://www.kcnh.com (Chs)
                    http://www.purgingplug.com (Alibaba)

          Add: Hongshan Town, Xigong District,
                   Luoyang City, Henan Province, China