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What are the materials used for the crystallizer copper tube?

The inside of the copper tube is in contact with the high-temperature molten steel, resulting in a large temperature difference between the inner and outer surfaces of the copper tube, high thermal stress and variability. The shape of the inner cavity of the copper tube is very important. Only when the shape of the inner cavity of the protective copper tube is consistent with the shape of the crystalline solidified shell can the air gap be small and uniform.

Therefore, the copper tube material is required to have strong resistance to thermal deformation, that is, high crystallization temperature, small thermal expansion coefficient, good thermal conductivity, and high thermal fatigue strength.

The selection of copper tube materials develops in the direction of red copper → phosphorus deoxidized copper → silver copper → chromium zirconium copper.

Since the recrystallization temperature of chromium zirconium copper is the highest among the above materials, it has the strongest thermal deformation resistance.

copper-mould-tube-manufacturer

copper mould tube manufacturer

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product  have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time.

LMM Main product series

Core technology products:

  • magnesia carbon brick
  • slide gate plate
  • graphite electrode

Core technology products:

  • Hss roller
  • cast steel rolls
  • tungten carbide ring roller

Core technology products:

  • copper mould tube
  • copper mould plate
  • assembly & cooling jackts

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