Crosby

All Kuplex chain meets the dimensional requirements of BS EN 818-2 and ISO 3076. It is marked Kuplex 8 or 10 at each twentieth link or 1 metre whichever is the lesser distance.

Single link samples are taken from a lot size of 200m and bent to a minimum deflection f, as specified in the table above. Following removal of the force, the link is examined by a competent person. The link has to withstand the specified deflection for that diameter without any visible defects.
 
Tensile Test
Samples of chain as specified above, and in the finished condition, are subjected to a static tensile test and have to meet the minimum breaking force requirements as stated in the adjacent table, with a total ultimate elongation of not less than 20%.
 
Parsons Chain Routine Component Sampling
All Kuplex components are routinely verified with tensile and fatigue testing. This is a Parsons Chain company internal specification, above and beyond any current National or International Standards requirement.

    • Grade: 10
    Chainsize
    Chainsize
    Select a row from the table below, then click the add to quote button
    Chain diameter
    mm
    Bend deflection f min.
    mm
    Number of Samples per 200 m LOT CAD
    7 5,6 2 -
    8 6,4 2 -
    10 8 2 -
    13 10 2 -
    16 13 2 -
    19 15 1 -
    23 18 1 -
    26 21 1 -
    32 26 1 -

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    Test Requirements and Working Load Limits - Kuplex Grade 8 Chain and Components 

    Size
    Breaking force min
    Manufacturing proof force
    Working load limit
    Mean stress at breaking force N/mm2 Factor 4
    Mean stress at proof force N/mm2 Factor 2.5
    Mean stress at WLL Factor 1
    mm
    kN
    kN
    Tonnes
     
     
     
    7
    61,6
    38,5
    1,5
    800
    500
    200
    7
    61.6
    38.5
    1.5
     
     
     
    8
    80,6
    50,3
    2
     
     
     
    10
    126
    78.5
    3.15
     
     
     
    13
    214
    133
    5.3
     
     
     
    16
    322
    201
    8
     
     
     
    19
    454
    284
    11.2
     
     
     
    23
    666
    415
    16
     
     
     
    26
    850
    531
    21.2
     
     
     
    32
    1,290
    804
    31.5
     
     
     
    KUPLEX GRADE 8 CHAIN IS COLOUR CODED BLACK
     
     
     
     
     
     

     

    Test Requirements and Working Load Limits - Kuplex Grade 10 Chain and Components  

    Size
    Breaking force min.
    Manufacturing proof force
    Working load limit
    Mean stress at breaking force N/mm2 Factor 4
    Mean stress at proof force N/mm2 Factor 2.5
    Mean stress at WLL Factor 1
    mm
    kN
    kN
    Tonnes
     
     
     
    7
    77
    49
    2
    1000
    625
    250
    10
    158
    98
    4
     
     
     
    13
    266
    166
    6.7
     
     
     
    16
    402
    251
    10
     
     
     
    19
    567
    354
    14
     
     
     
    23
    831
    519
    21
     
     
     
    26
    1,062
    664
    27
     
     
     
    32
    1,609
    1,005
    40
     
     
     
    KUPLEX GRADE 10 CHAIN IS COLOUR CODED GOLD