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Carbon and Graphite Refractories

The world’s steel production volume is steadily increasing and has nearly reached 2 billion tons per year, equivalent to more than 250 kg per capita. In the past, constructing an average frame house required cutting down 20 trees, but today, recycling just 5 cars provides enough steel for the same purpose. The steel industry plays a crucial role in providing employment for nearly 50 million people, and the world now relies heavily on this indispensable material.

Steel is an alloy of iron and carbon, combined with other elements to impart specific properties. Through such alloying additives, steel can be made 1000 times stronger than iron. The art of steelmaking is a multi-step, intricate process that has been perfected over more than 2,500 years. It can be likened to a kitchen, where various recipes and technologies, along with exquisite spices “ferroalloys”, are used to create the perfect “dish” tailored to specific applications. In modern metallurgy, an impressive range of 3,500 steel grades is produced, with 75% of them not even existing just 20 years ago.

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Oxidation processes, thermal stresses, and chemical influences in metallurgical furnaces create significant, challenges for the materials used in their construction. The quality of the refractory lining in metallurgical units plays a crucial role in determining their service life. UKRGRAFIT mastered the production of carbon blocks as early as 1973, which now play a vital role in holding molten cast iron or alloys, contributing to extended kiln campaigns, and ensuring the stability of the design.

Today our products serve as the heart of blast and ferroalloy furnaces in numerous metallurgical enterprises around the world. Our carbon blocks provide the reliability and performance needed to withstand the harsh conditions of these furnaces, enabling the efficient and uninterrupted production of metals.

Block Refractory Lining
Grades DBU, DBG, DBMP, DBPG
Carbon blocks, semi-graphite, and graphite blocks with varying levels of porosity are used in the internal linings of blast and ferroalloy furnaces. These specialized materials are carefully selected to meet the specific requirements and conditions of each furnace, ensuring optimal performance and durability.
Carbon Paste
Grades MHTD, MHD, MUT, MUP
Carbon paste for filling compensatory gaps and seams between lining blocks during installation.
Technical Data

UKRGRAFIT
Refractory Lining
Units Typical Values
Product Graphite lining blocks Semi-graphite lining blocks Carbon lining blocks
Grade DBG DBG (М) DBPG DBU DBU-А DBMP
Bulk Density g/cm3 1,61 1,71 1,6 1,57 1,59 1,62
Porosity % 22 16 19 14 16 18
Compression Strength MPa 24 31 33 42 40 39
Thermal Conductivity W/(m∙K) 120 180 28 7 12 11

 

UKRGRAFIT
Carbon Lining Paste Properties
Units Typical Values
MHTD MHD MUT
Green Bulk Density kg/м3 1670 1640
Green Thermal conductivity (100°С) W/(m∙K) 12 8 9
Green Volatile % 11
Baked Compression strength MPa 30 30 38
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Why Opt for Us
At UKRGRAFIT, we take immense pride in our 90-year journey of contributing to the success of our valued customers. Working closely with engineering companies, we continuously strive to enhance both the product itself and the technical support for new projects. Our dedicated engineers and technologists never stop their efforts into improving the corrosion resistance and thermal conductivity of our lining blocks.
Each year, we invest up to 50% of EBITDA in modernizing our production lines and bolstering the expertise of our technical team. This enables us to assist customer operations in achieving exceptional results. Our customers can confidently focus on their core manufacturing processes, knowing that our lining solutions will not disappoint. We are committed to continuing our journey of innovation and excellence, ensuring that our clients always receive the best solutions to meet their unique requirements.
01 Low Logistics Risks
Our strategically located facility in the heart of Eastern Europe, close to seaports and transport hubs, enables us to efficiently deliver products to customers worldwide.
02 Consistent Quality
As a long-standing partner with the best suppliers of needle coke and the finest anthracites globally, we maintain a steady flow of high-quality materials for our production. The quality and availability of our products do not depend on the volatile raw material market in Asia.
03 Flexibility in Manufacturing
With a fully integrated manufacturing cycle for a diverse range of carbon and graphite products, we possess the agility to respond swiftly to urgent customer demands.
04 Tech Support
At UKRGRAFIT, our dedicated technical team is committed to ensuring stable and uninterrupted operation for our product consumers. Leveraging our extensive experience and knowledge, we actively contribute to optimizing our clients' production processes.
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Chief Expert In Products
Ievgen Chedreki
+38 061 289-53-50 chedrekie@ukrgrafit.com.ua Make a request