Weldural (AlCu6,5Mn0,3)

Stand: Juni 2015 - Quelle: DIN EN 573-3 / EN 515 / DIN 17611:2011

1. Chemical composition

in the aftermath of DIN EN 573-3 (in % of the mass, rest AL)

Si Fe Cu Mn Mg Cr Zn Ti Zr Other elements
Max. 0,3 Max. 0,4 5,8-6,8 0,2-0,4 Max. 0,1 Max. 0,1 0,02-0,1 0,1-0,25 0,15

2. mechanical properties
in the aftermath of DIN EN 485-2 Sheets and plates (common conditions)

Condition Nominal thickness Tensile strength Plug-in limit Ultimate elongation Rigor
in mm Rm in MPa Rp0,2 in MPa in % (min.) HBS
over up to min max min max A50 A
80 100 449 335 8,9 130
100 200 436 335 8,9 130
200 400 427 327 4 130
Physical properties General properties
(Guide values for 20° C)
Resistance to:
Density of g/cm3 2,84 – Sea water 4
Electrical conductivity MS/m 17 – Weather conditions 3
Thermal conductivity W/(mK) 130 Hot formability
Therm. linear expansion- – extrusion presses
Coeffizient 10-6/K 22,5 – Drop forging 3
Modulus of elasticity N/mm2 73.800 – Open die forging 3
Weldability Surface treatment
Fusion welding Protection anodizing 2
– Gas 2 Anodizing (decorative) 6
– WIG 2 Painting/Coating 3
– MIG 2 Polishability 1
Resistance welding 2 Contact with food no
Machinability T451 2

3. Main application / Special features:
The all-rounder for tool and mould making from a thickness of 150 mm.
No loss of strength in the core with low residual stress. Permanently high strength at temperatures up to 250 °C guaranteed.

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