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    EN AW-6023 (AlSi1Sn1MgBi)

    Produktinformation

    1. chemical composition of EN AW-6023

    according to DIN EN 573-3 (in % of mass, rest AL)

    Si Fe Cu Mn Mg Cr Zn Ti Remark Other elements
    0,6- 0,5 0,2- 0,2- 0,4- 0.3-0.8 Bi 0,15
    1,4 0,5 0,6 0,9 0.6-1.2 Sn

    2. Mechanical properties of EN AW-6023

    DIN EN 755-2 pressed or DIN EN 754-2 drawn bars (common conditions)

    Condition Nominal thickness Tensile strength Yield strength Elongation at break Hardness
    in mm Rm in MPa Rp0.2 in MPa in % (min.) HBS
    about to min max min max A50 A
    Pressed
    T6 - 150 310 - 260 - 8 - -
    150 200 260 - 240 - 8 - -
    Pulled
    T8 - 60 345 - 315 - - 4 -
    T9 - 60 360 - 330 - - 4 -
    Physical properties General properties
    (approximate values at 20° C)
    Density in g/cm3 2,72 Resistance to:
    Solidification range ° C n.a. - Sea water 3
    Electrical conductivity MS/m 26 - Weather conditions 2
    Thermal conductivity W/(mK) 172 Hot formability
    Therm. Linear expansion - Extrusion n/a
    Coefficient 10-6/K 23,4 - Die forging -
    Modulus of elasticity N/mm2 70.000 - Open-die forging -
    Weldability Surface treatment
    Fusion welding Protective anodizing 2
    - gas - Anodizing (decorative) 2
    - TIG 3 Painting/coating 2
    - MIG 3
    Resistance welding 3 Contact with food n.a.
    Machinability
    T6/T8 2

    3. main application / special features of EN AW-6023:

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

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