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    Semi-finished aluminum products
    EN AW-7075 (AlZn5.5MgCu - 3.4365)

    Produktinformation

    Data sheet as PDF

    1. chemical composition of EN AW-7075

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

    Si Fe Cu Mn Mg Cr Zn Ti Remark Other elements
    0,4 0,5 1,2-2,0 0,3 2,1-2,9 0,18-0,28 5,1-6,1 0,2 0.25Zr+Ti 0,15

    2. Mechanical properties of EN AW-7075

    according to DIN EN 485-2 Sheets and plates (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
    T651 6,0 12,5 540 - 460 - 8 - 160
    12,5 25,0 540 - 470 - - 6 161
    25,0 50,0 530 - 460 - - 5 158
    50,0 60,0 525 - 440 - - 4 155
    60,0 80,0 495 - 420 - - 4 147
    80,0 90,0 490 - 390 - - 4 144
    90,0 - 460 - 360 - - 3 135
    100,0 - 410 - 300 - - 2 119
    120,0 - 360 - 260 - - 2 104
    Press
    T6 150 530 - 470 - - 6 -
    Physical properties General properties
    (approximate values at 20° C)
    Density in g/cm3 2,80 Resistance to:
    Solidification range ° C 480-640 - Sea water 4-5
    Electrical conductivity MS/m 19-23 - Weather conditions 4-5
    Thermal conductivity W/(mK) 130-160 Hot formability
    Therm. Linear expansion - Extrusion 5
    Coefficient 10-6/K 23,4 - Die forging 4
    Modulus of elasticity N/mm2 70.000 - Open-die forging 4
    Weldability Surface treatment
    Fusion welding Protective anodizing 3
    - Gas 6 Anodizing (decorative) 6
    - TIG 6 Painting/coating 3
    - MIG 6
    Resistance spot welding 2 Contact with food no
    Machinability T651 2

    3. main application / special features of EN AW-7075:

    Mold and tool making, cutting and punching tools with long service lives. Due to the manufacturing process, the core strength decreases continuously from 80 mm.

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