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ELBRODUR® NIB (CuNi2Be)
High-strength age-hardened electrode material for spot welding, in particular high-cycle continuous or roller spot welding.
Suitable for all steels - including alloyed and stainless grades - and for coated and galvanized sheet.
Standards
USA
R.W.M.A. |
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C 17510
Class 3 |
High performance copper alloy
Composition in wt. %:
Ni 1,8 %, Be 0,4 %, rem. max. 0,5 %
Application
Seam welding for production of e.g. radiators and tin containers.
Resistance welding for production of e.g. welded wire mesh.
Flash-butt welding for production of e.g. wheels (wheel rims).
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Properties |
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Typical value1) (min. value 1)) |
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Tensile strength Rm |
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MPa |
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720 (≥ 650) |
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Proof stress Rp0,2 |
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MPa |
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650 (≥ 550) |
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Elongation A5 |
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(%) |
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14 (≥ 10) |
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Brinell hardness |
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HBW 2.5 / 187.5 |
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220 (≥ 200) |
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Electrical conductivity |
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MS/m
%IACS |
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40 (≥38)
69 (≥65) |
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Thermal conductivity |
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W/mK |
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290 |
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Softening temperature |
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°C |
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500 |
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1) Rods and bars up to 2000 mm2 cross section.
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