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    Semi-finished copper products
    CW004A (Cu-ETP - 2.0065)

    Produktinformation

    Data sheet as PDF

    1. chemical composition of CW004A

    according to DIN EN 13388 (in % of mass)

    Cu Bi O Pb Remark Other elements
    min 0,0005 0,040 0,005 - 0,03
    99,90

    2. Mechanical properties of CW004A

    n. DIN EN 1652/13148/13599/14436 sheets/plates, EN 13600/13601 bars/profiles,
    EN 1977/13602/13605 Wires (common condition)

    Condition Nominal thickness Tensile strength Yield point Elongation at break Hardness
    in mm Rm in MPa Rp0.2 in MPa in % (min.) HB
    about to min max min max A50 A100 A
    M / D all as manufactured - without specification of mechanical values
    R200/H035* max. 50 200 - - 120 - - 35 35-60
    R250/H065* max. 20 250 - 150 - - - 15 60-90
    R280/H075* max. 20 280 - 240 - - - 10 75-100
    R300/H085* max. 20 300 - 260 - - 5 8 85-110
    R350/H100* max. 10 350 - 320 - - 3 5 min. 100
    Physical properties General properties
    (approximate values at 20° C)
    Density in g/cm3 8,93 Resistance to:
    Solidification range ° C 1083 - organic substances 2
    Electrical conductivity MS/m > 57 - Neutral / alkaline compounds 2
    Thermal conductivity W/(mK) > 385 Formability
    Therm. Linear expansion - Warm 3
    Coefficient 10-6/K 17,7 - cold 1
    Modulus of elasticity N/mm2 127.000
    Joining work Surface treatment
    - Gas-shielded arc welding 5 Mechanical polishing 2
    - Gas welding 5 Electrolytic polishing 1
    - Resistance welding (butt) 3 Galvanizing 1
    - Brazing 2
    - Soft soldering 1
    Machinability
    Generally 5

    3. main application / special features of CW004A:

    This alloy is mainly used in electrical engineering due to its high conductive properties.
    * The respective maximum available nominal dimension of each state depends on the required shape.

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    Manuel Knaus

    Manuel Knaus

    Beratung + Verkauf
    Handel und Zuschnitte
    T +49 821 279 79 – 030 E m.knaus@batz-burgel.de

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