• Automotive





Innovative and large range of welding electrodes and materials

Lebronze alloys manufactures and supplies male and female spot welding electrodes of various forms, from the smallest quantities of very specific spot welding caps to the largest volumes of cold formed electrodes.
We also manufacture round bars, flat bars, plates, welding wheels, and any kind of engineered products.


Our solutions tailored to cover all your needs

Our 4 solutions are an ideal range of welding products, from coated or uncoated AHSS steel to aluminum sheet welding:

  • CuZr electrodes: The market standard for copper-zirconium (C15000), chrome-free welding caps
  • Powerode+®, the universal high-performance electrode: The premium solution (C18148-C18150) for welding of steel sheets with very high purity
  • Powerode®, the universal electrode: The CuCrZr (C18148-C18150) market standard solution with high purity
  • Alrode®, the breakthrough welding solution for aluminum and steel: The premium innovative solution (C18147) for welding of steel sheets and aluminum sheets with very high purity.

Comparison of Lebronze alloys welding solutions
Technical Advantages CuZr Electrode Powerode® Powerode+® Alrode®
Avoid sticking effect
Avoid mushrooming
Higher resistance to softening
Better pressure resistance
Higher conductivity
Last longer
Optimal properties for welding steel and aluminum


 To know more, download our brochure for welding products



Our large range of welding materials and products

  • Rods and hollows from 8 to 380 mm OD
  • Flats, squares and plates from 10 mm thickness
  • Seam welding wheels up to 900 mm OD
  • Stamped and machined connectors for welding guns

Many standards and alloys available (Copper-chromium-zirconium, CuCr1Zr, CRM16, CW105C, CW106C, etc..)


From alloy smelting to finished and customized products

Being the only integrated manufacturer, Lebronze alloys has an indisputable advantage ;
we manufacture our own alloys to produce electrodes. 

Our internal processes include :

  • casting,
  • cold working stage
  • machining
  • non-destructive testing.

Being fully integrated ensures reactivity and complete traceability. We perform cutting-edge quality controls all along the manufacturing process
Our special alloys are officially registered with the UNS Technical Service and Standards Advisory Committee under the designations UNS Alloy C18147 and C18148 respectively.


Our references

  • Lebronze alloys retains its European leadership with more than 35 million caps produced an sold every year to almost every car builder worldwide, directly or indirectly throughout our exclusive distributor network. Audi, Avtovaz, BMW, Chrysler, Daimler, Ferrari, FIAT, Ford, General Motors, Honda, Kia, Peugeot Citroën Group, Renault, Suzuki, Toyota, Volkswagen Group, Volvo.
  • Lebronze alloys is an AWS member (RWMA class 2)


  • Our UNS Alloy C18147 and C18148 alloys designation and composition now appear in the CDA (Copper Development Asociation)



Our brochure


    vignette welding   vignette technique welding



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