Intro
WIRBALIT® Copper Alloys
Our proprietary copper alloys form the foundation for electrodes, current-carrying components, and wear-critical parts used in resistance and arc welding. They ensure low-loss electrical transmission, reliable heat dissipation, and maintain their shape even under mechanical stress.
WIRBALIT® HF/N/G (CuCr1Zr)
Heat-treatable copper alloy for various welding and high-current applications
WIRBALIT® B (CuCo2Be)
High-strength, hardened copper alloy for thermally and mechanically stressed components
WIRBALIT® D (CuNi2.5SiCr)
Beryllium-free high-performance copper alloy for thermally and mechanically stressed components
WIRBALIT® CA (CuAl203)
Aluminum dispersion-reinforced copper material for thermally demanding high-performance applications
Products
Semi-Finished Products
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Form and Sizes
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Round bars
3 - 200 mm
Tubes
Ø 50 / Ø 60
Contact tubes
AD 6-16 mm - ID 0,93-4 mm
Flat bars
5x100 - 5x100
Square bars
8x8 - 150x150
Profiles
Custom
Hexagonal bars
10-36 mm
Rings
>170 mm
Discs
>150 mm
Plates
5 - 100 mm
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Custom part needed? Simply upload your technical drawing and receive a quote.
WIRBALIT® Copper Materials in Comparison
Materials | ||||
---|---|---|---|---|
Composition | CuCr1Zr | CuCo2Be | CuNi2,5SiCr | CuAl2O3 |
Material No. / Standard | 2.1293 - CW106C C 18150 | 2.1285 - CW104C C17500 | DIN 17666 | C15715 |
Tensile strength (Rm MPa) | ≥ 490 | ≥ 690 | ≥ 570 | ≤530 |
Yield strength (Rp0,2 MPa) | ≥ 440 | ≥ 570 | ≥ 460 | ≤460 |
Hardness (HBW 2,5/62,5) | 150 -180 | 220-280 | ≥ 185 | 152 |
Electrical conductivity (% IACS) | ≥ 76 | ≥ 45 | ≥ 45 | ≈77% |
Melting temperature (Liquidus) °C | 1075 | 1056 | 1060 | 1083 |
Softening temperature °C | 475 | 500 | 475 | 980 |
Find a complete overview of technological, chemical, and physical properties here.
Materials You Can Rely On
With one of the largest inventories in Europe, we offer immediate delivery of standard dimensions. Thanks to our in-house development and lean structures, we can also produce custom-made products in the shortest possible time.
60+ years of experience flow into tailored welding and manufacturing solutions. We analyze your requirements, identify potentials, and support you from production changeover through to stable series.
Structured testing systems across all production phases detect deviations early and document them in detail. For demanding applications, we offer individual tests to your specifications.
We adapt to your changing demands, matching every delivery seamlessly to your production flow. Your processes set the pace, and we ensure accurate implementation.
SVS Performance Features

Need advice on materials? Our experts will help you choose the optimal fit for your production.

Kai Kleinevoß
Head of Sales Wirbalit®
kleinevoss@svs-schweisstechnik.de
+49 208 99 328 15
WIRBALIT® materials are supplied either cold-worked or cold-worked and age-hardened, depending on the alloy type. Heating the materials beyond the specified softening temperatures significantly reduces their mechanical and physical properties.
Where thermal processes cannot be avoided, it is important to consider that for age-hardenable alloys, localized heating of asymmetrical parts may lead to cracking due to thermal stress. For this reason, machining or cold forming, such as extrusion or bending, should be the preferred processing methods.
Further information is available in our detailed processing guidelines.