EN AW – 6023 (AlSi1Sn1MgBi)

Stand: September 2018 - Quelle: DIN EN 573-3 / EN 515 / DIN 17611:2011

1. Chemical composition of EN AW – 6023

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

SiFeCuMnMgCrZnTiRemarkOther elements
0,6-0,50,2-0,2-0,4-0,3-0,8 Bi0,15
1,40,50,60,90,6-1,2 Sn

2. mechanical properties of EN AW – 6023

in the aftermath of DIN EN 755-2 pressed or DIN EN 754-2 drawn bars (common conditions)

ConditionNominal thicknessTensile strengthPlug-in limitUltimate elongationRigor
in mmRm in MPaRp0,2 in MPain % (min.)HBS
overup tominmaxminmaxA50A
Pressed
T61503102608
1502002602408
Drawn
T8603453154
T9603603304
Physical propertiesGeneral properties
(Guide values for 20° C)
Density of g/cm32,72Resistance to:
Solidification range ° Ck.A.– Sea water3
Electrical conductivity MS/m26– Weather conditions2
Thermal conductivity W/(mK)172Hot formability
Therm. linear expansion-– extrusion pressesk.A.
Coeffizient 10-6/K23,4– Drop forging
Modulus of elasticity N/mm270.000– Open die forging
Weldability Surface treatment
Fusion weldingProtection anodizing2
– GasAnodizing (decorative)2
– WIG3Painting/Coating2
– MIG3
Resistance welding3Contact with foodn.a.
Machinability
T6/T82

3. Main application / Special features of EN AW – 6023:

This alloy has been specially developed for applications in the electronics and automotive industries and is known for its good machining and anodising properties. It is also used as an alternative alloy to EN AW-6012, where lead is replaced by tin and bismuth and all technological properties are retained.

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