EN AW – 7022 (AlZn5Mg3Cu -3.4345)

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

1. Chemical composition of EN AW – 7022

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

SiFeCuMnMgCrZnTiRemarkOther elements
0,50,50,5-1,00,1-0,42,6-3,70,1-0,34,3-5,20,15

2. mechanical properties of EN AW – 7022

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

ConditionNominal thicknessTensile strengthPlug-in limitUltimate elongationRigor
in mmRm in MPaRp0,2 in MPain % (min.)HBS
overup tominmaxminmaxA50A
T63,012,54503708133
T65112,525,04503708133
25,050,04503707133
50,0100,04303505127
100,0200,04103303121
Physical propertiesGeneral properties
(Guide values for 20° C)
Density of g/cm32,78Resistance to:
Solidification range ° C485-640– Sea water5
Electrical conductivity MS/m19-23– Weather conditions4
Thermal conductivity W/(mK)130-160Hot formability
Therm. linear expansion-– extrusion presses4
Coeffizient 10-6/K23,6– Drop forging4
Modulus of elasticity N/mm270.000– Open die forging4
WeldabilitySurface treatment
Fusion weldingProtection anodizing2
– Gas6Anodizing (decorative)6
– WIG6Painting/Coating3
– MIG6
Resistance welding2Contact with foodno
Machinability T651
2

3. Main application / Special features of EN AW – 7022:

Mould and tool making
Due to the lower Cu content anodisable with uniform surface.

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