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ELBRODUR® N |
ELBRODUR® N (CuCr1Zr) is an age-hardened material for spot, projection and butt welding electrodes. It is particularly suitable for carbon steels, galvanized sheet, brass, bronze and nickel.
It can in certain cases be used for aluminium alloys as well. |
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Nominal composition
Percentages are by weight:
Cr 0.65 %
Zr 0.05 %
Cu rem.
perm. other elements
max. 0.2%
Mechanical and Physical Properties
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Tensile strength Rm |
MPa |
440 - 540 |
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≥ 390 |
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≥ 370 |
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Yield strength Rp0.2 |
MPa |
390 - 510 |
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≥ 270 |
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≥ 255 |
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Elongation A5 |
% |
10 - 25 |
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≥ 12* |
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≥ 18 |
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Reduction of Area Z |
% |
40 - 70 |
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40 - 70 |
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40 - 70 |
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Hardness HBW 2.5/62.5 |
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135 - 170 |
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130 - 155 |
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120 - 150 |
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Hardness HV 30 |
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140 - 175 |
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135 - 160 |
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125 - 155 |
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Hardness HRB |
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71 - 85 |
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69 - 79 |
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65 - 77 |
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El. conductivity |
MS/m |
47 - 52 |
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47 - 52 |
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47 - 52 |
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El. conductivity |
% IACS |
81 - 90 |
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81 - 90 |
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81 - 90 |
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* ≥ 16% for cold bending material
Dimension range:
ø ≥ 30 mm < 60 mm
 ≥ 25 mm < 60 mm
Forms, Sizes and Tempers
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Rods
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Dia. (mm)
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A |
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C |
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30 |
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50 |
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Rods
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Width a/f (mm)
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C |
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25 |
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40 |
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Bar
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Further sizes and special grades on request.
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