Metallurgy

In the metallurgical industry AlzChem’s strength and competence come from our long lasting experience, high technical know-how, large production capacity and close customer relationship.
 
AlzChem offers reliability, quality, flexibility and innovation covering three important segments within the steel industry
 
  • hot metal desulfurization
  • secondary metallurgy
  • technical gases
     
Based upon our strong technical and commercial service strengthened by the co-operation with research institutes of excellent reputation, AlzChem offers a high flexibility to react to trends or to develop solutions for special demands.

News

CalciPro® cored wire is an established Calcium-treatment technology for inclusion modification to improve castability and to optimize material properties in commercial steel plants. Calcium Carbide is well known as an effective desulfurization agent for hot metal in modern economic steel production. In addition, Calcium Carbide can also be used for liquid steel desulfurization. In production plants where no lance for powder injection is available at the ladle treatment station, CalciPro®...
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Acetylene (C2H2) is the world's most efficient and hottest burning standard welding gas. For producing acetylene, the reaction of calcium carbide (CaC2) with water (H2O) is used, whereas acetylene and lime milk (Ca(OH)2) is generated.   CaC2 + 2 H2O --> C2H2 + Ca(OH)2   For this simple and proven process, AlzChem's calcium carbide is used for more than a century. Calcium carbide is of strategic value for AlzChem, as it is the basis of the NCN-chain. Originating...
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In the global market the requirements for steel quality are increasing continuously. One of the most important parameters is the cleanliness, which describes the number and size of nonmetallic inclusions in the material. The cored wire CalciPro®, based on Calcium Carbide, is applied in secondary metallurgy to improve the cleanliness. It provides calcium, which modifies the existing oxide and sulfide inclusions in the steel melt and improves castability. The formation, control and effect of...
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CaD® is a powerful desulfurization agent based on fine calcium carbide (CaC2) powder. It is available in different grades, which consist of calcium carbide mixed with various supplements. As an example volatile coal powder increases both efficiency and reaction rate. Other additives can optimize slag properties and reduce iron losses. AlzChem produces special CaD® mixtures tailored to the individual requirements of the steel producers.   In the production of high quality steel,...
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