Why buy CuCrZr (Copper Chrome Zirconium) Contact tips?
Copper Chrome Zirconium (CuCrZr) contact tips are a harder copper alloy offering better wear resistance that standard E-Cu Copper Contact tips. The longevity benefits of these contact tips are usually seen in robotic applications since the arc on time is typically higher than manual applications. Due to the fact that the electrical conductivity is lower than standard copper, with some materials this may cause arc starting issues along with an increase of weld spatter due to a less stable arc.
E-CU (Copper): Hardness 110 HV, electrical conductivity approximately 57 m / Ωmm2
CuCrZr (Copper Zirconium): Hardness 160 HV, electrical conductivity approximately 40 - 50 / Ωmm2
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Max-Arc® M8 x 30mm CuCrZr Contact Tips for MIG Torches
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