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What are the properties of the crystallizer copper tube?

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In order to improve the wear resistance of the chromium coating and prolong the life of the mold copper tube, the 0.4-0.5mm thick nickel-cobalt alloy coating is added between the inner surface of the mold copper tube and the chromium plating layer as a transition layer. So it is called nickel-cobalt alloy-hard chromium coating. Referred to as composite copper plated pipe. The metal content is: the hardness of the coating is 300-600HV.

  Ni-Co alloy coating has good chemical corrosion resistance, thermal corrosion resistance and wear resistance. It not only blocks the diffusion of Zn, S, Cd and F in the molten steel to the inner surface of the copper tube of the mold. Moreover, it acts as a binder between the inner surface of the copper tube of the mold and the chrome-plated layer, which greatly improves the wear resistance of the chrome-plated layer. In addition, after the chrome plating layer is worn, the nickel-cobalt alloy plating layer can continue to work in place of the chrome plating layer, thereby prolonging the service life of the copper tube of the mold.

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.

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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.

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