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  • ALUMINIUM
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  • CLOSURES AND CAPS
  • ALUMINIUM SHEETS AND COILS 8011 3105 FOR SCREW AND ROPP CAPS


    YUPRO ITALIA is leader in the Italian market as supplier of aluminium sheets and coils for closures production. Aluminium sheets are customised and packaged as required by Clients. The sheets are treated by electrochemical phosphating, suitable for laquering.

    YUPRO ITALIA can also provide the prompt delivery service directly from its factory located in Novi Ligure (AL).

    • alluminio aluminium sheet fogli lastre capsule chiusure closures 8011 3105
    • alluminio aluminium sheet fogli lastre capsule chiusure closures 8011 3105
    • alluminio aluminium sheet fogli lastre capsule chiusure closures 8011 3105
    • alluminio aluminium sheet fogli lastre capsule chiusure closures 8011 3105


    TECHNICAL SPECIFICATIONS OF ALUMINIUM SHEETS AND COILS
    ALLOY 8011 AND 3105




    Product: Aluminium Sheets and Coils

    Alloy 8011

    Chemical Composition:
    Si%Fe%Cu%Mn%Mg%Zn%Ti%Cr%Al%
    0.40-0.800.50 1,00≤0,10≤0,10≤0,10≤0,10≤0,05≤0,10Rem



    Alloy 3105

    Chemical Composition:
    Si%Fe%Cu%Mn%Mg%Zn%Ti%Cr%Al%
    < 0.60<0.700.300.30-0.800.20-0.80≤0.25≤0,10≤0,20 Rem



    Mechanical Properties:


    Parameter Alloy 8011 and 3015
    Yeld Load Rp02 (Mpa) 125 - 155 135-165
    Breacking Load Rm (Mpa) 135 - 165 160-180
    Elongation ( % ) - A50 ≥ 2,0 ≥ 2,0
    Erichsen drawability (mm) ≥ 4,0 ≥ 4,0
    Anisotropy ( % ) ≤ 2 ≤ 1
    Grain dimension ( μm ) ≤ 100 μ ≤ 100 μ



    Surface Treatments:


    The material is mill finished and uniform on both sides.
    CLA surface roughness ( Ra): 0.25 0.50 microns
    Peak to valley heigh (Rt): approx 4 microns
    The material is pretreated as described below pretreatment: phosphoric-acid 59 BE, ALIM 85% complies with EC and European regulation and also with United States Food and Drug Administration requirments.

    Pretreatment: The aluminium is treated by the electrochemical phosphating (bath of phosphoric acid ).This treatment allows the creation of a layer (several microns of thickness ) of aluminium phosphates on the surface. The phosphates layer helps the grip of the laquer on the surface.The chromium is no longer used as it is toxic and difficult to dispose of.

    Relubrication: no relubrication is applied to the surface, as our phospho chroming system allows to skip this process and helps itself the mobility in feeding of the sheets during the lacquering and printing stage

    Dimension and shape tollerances:
    Gauge: tollerance on gauge is + 0.01 mm for gauge from 0.20 to 0.23 mm
    Values of sheets: flatness tollerance of 0.6% ( length of wave ). Maximum 2 mm.  Up end corner: 2 mm
    Squareness of sheets: deviation not greater than 0.8 mm on dimension up to 1000 mm deviation not greater than 0.4 mm on dimension up to 500 mm
    Lateral curvature: 0.2 mm on dimension up to 1000 mm
    Tollerances on Length and Width: on width: -0/+0.3mm / on length: -0/+1mm