About Us

Founded in 1995, Wuxi Chengzhi BOF Steelmaking Auxiliary Materials Co., Ltd. is the wholly-owned subsidiary of Jiangsu Sujia Group, being engaged in producing various monolithic refractories for steelmaking and with the leading products including non-carbon ladle refractory castables, air brick, pocket block, etc..

The company can produce 30000 tons of monolithic refractories and fabricated parts per year, and closely cooperate with many domestic and oversea research institutions to jointly conduct the research and development of products, with some products reaching the top level in China (such as the non-carbon ladle monolithic refractory pouring technique), and thus winning the trust and praise of customers.


main products

Ladle bottom argon blowing air brick

The ladle bottom argon blowing air brick is a kind of chrome-corundum radial through-type and slit-type air brick that is made with the high-purity, high-density, and high-strength materials and MAS system. This series of products are featured by stable structure, wide range of air permeability, easy adjustment of gas flow, high blowing ratio, anti-scouring, erosion resistance, long service life, etc.

Steel ladle-series castables

The steel ladle castables for permanent layer have the following advantages: good flowability and suitable coagulation time; labor saving and being quick and convenient; high strength and long service life; good thermal insulation property, thermostability, and good thermal shock resistance. The steel ladle corundum castables have the following advantages: good self-flowability and suitable coagulation time; high strength, erosion resistance and good scouring resistance, and being suitable for filling the pocket block seams and ladle bottom non-impact area to guarantee their service lifes synchronized with that of pocket block.

Ladle bottom argon blowing pocket block

The ladle bottom argon blowing pocket block is a product developed for protecting the argon blowing air brick and made with the high-purity, high-density, and high-strength materials and MAS system, rendering the advantages like stable structure, anti-scouring, erosion resistance, good thermal shock resistance, long service life, etc. and being suitable for various types of refining and non-refining ladles.

Electric furnace lid

The electric furnace lid is made by selecting the high-purity cement combination, adopting ultrafine powder technique, good binding agent and high-efficient additive, formulating the formula scientifically, and deploying the granularity in a precision way in allusion to the conditions that the furnace lid materials are frequently subject to thermal shock, steel slag, the erosion of gases inside the furnace including CO, CO2, and SO2, the radiation of high-temperature arc light, the abrasion by airflow that is formed by high-speed dust exhausting inside the furnace, etc.. It is featured by good thermal shock resistance and stability, erosion resistance, good volume stability, long service life, etc..

Ladle nozzle pocket block

The ladle nozzle pocket block is made with the high-purity, high-density, and high-strength materials and MAS system, rendering the advantages like stable structure, anti-scouring, erosion resistance, good thermal shock resistance, long service life, etc. and being suitable for various types of refining and non-refining ladles.

Series of Castable

The steel ladle castables for working layer are developed by scientifically proportioning high-purity corundum, magnesium aluminate spinel, spinel cement and ultrafine powder, rendering the advantages like good workability, high strength, good volume stability, erosion resistance, anti-scouring, good thermal shock resistance, etc. and being suitable for large and medium-size steel ladle walls, as well as being made into pouring brick for usage.


production line、Production equipment
Shuttle high temperature kiln
Piano key type straight seam welder
Powerful countercurrent mixer
Tapping machine
Ring welder
Weld Roller Press
Drying kiln
Automatic batching line

Qualification certificate


CONTACT US
0510 - 83217616
 
 
Address: 51#,Qianluo road, Qianqiao town,
Huishan District ,Wuxi city, Jiangsu province

Telephone: (+86)0510-83217616
Fax: (+86)0510-83217616
Postcode: 214151
Email: chengzhi@sujia.biz