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Copper mould tube coating and tube lifetime

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  • Why CrZrCu copper mould tube has a long life

    CrZrCu alloy is strengthened by adding a small amount of chromium and zirconium,forging and heat treatment under the condition of keeping excellent thermal conductivity and electrical conductivity of pure copper,the strength and hardness of the alloy are much higher than those of pure copper and copper-silver alloy,it also has good plasticity and corrosion resistance,and its deformation resistance and hot cracking resistance are obviously strengthened.Because of the high recrystallization temperature of CrZrCu,the ability of preventing copper plate from deforming is obviously improved.Long life

  • Regarding the copper mould tube coatingThere are two layers for composite coating:NiCo-Cr,NiCo,the thickness is 0.06-0.08mm,Cr is 0.10-0.12mm.composite coating is 0.16-0.18mm,it can reach 0.20mm under normal situation.
  • Advantage:

    Compared with single-layer Cr,the steel passing rate of composite coating can be increased to 25-30%,which can effectively reduce the cot of continuous casting production and improve the competitiveness of products,it has higher hardness and wear resistance at higher temperature,a layer of chromium on the surface can solve the problem of chromium removal of the coating,play the role of anti-wear,protecting the copper mould tube and improving its service life.

    The main points are:high thickness,strong hardness and wear resistance,and improved service life.

copper-mould-tube

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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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