Description of material HOVADUR® CNBspez:

HOVADUR® CNBspez is a thermally precipitation hardenable copper alloy. In hardened condition, the material is characterized by high electrical and thermal conductivity combined with very good hardness and resistance to heat. HOVADUR® CNBspez is especially suitable for applications requiring high electrical (and / or thermal) conductivity combined with great hardness. Due to vacuum technology and special processes, clearly better properties compared to standard quality HOVADUR® CNB can be garanteed.

Application examples HOVADUR® CNBspez:

  • Electrodes, holders and shafts for spot, seam, flash butt and projection welding of (preferably) material showing higher strength (e. g. stainless and heat resistant steels) and welded wire mesh.
  • Moulds for non-ferrous metal casting, especially appropriate for low pressure die casting
  • Inserts in steel moulds in areas requiring a higher cooling rate
  • Continuous casting moulds for steel casting
  • Thermally high-strained parts susceptible to fire cracks


Details of properties or application of materials are for descriptive purposes only. Confirmation of suitability with regard to specific properties or applications require written agreement.



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Copper Price

MTZ/copper surcharge 01.04.21

Basis LME 1700:
Q=5,58€/kg / M=6,36€/kg / T=6,31€/kg

Basis MK 200:
Q=6,02€/kg / M=6,85€/kg / T=6,81€/kg

€/CHF 1,10721

Explanation of terms:

MTZ = Copper surcharge
LME = London Metal Exchange
MK = Metal quotation
Q = Average of quarter
M = Average of month
T = Average of day
€/CHF = Exchange rate Euro / Swiss franc