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        Casting Tolerance


       Castings tolerances are dependent on both the materials cast and the method

    of production used. General Tolerances for metal alloy castings are specified by the

    International Standards Organization, in their Standard ISO 8062 for MCL Iron

    castings, made in machine produced sand moulds. The appropriate grades are

    Castings Tolerance (CT) 8 to 12. The capability of our green sand plant able us to

    offer castings conforming to Grade CT8. Castings produced in Hand will conform to 

    grade CT9. These 2 grades are detailed in the table below:

     

    Closer Tolerances may be offered in specific instances


     

     

    Raw Casting Basic (mm)

    Total Tolerance(mm)

    Over

    Up to and Including

    CT8

    CT9

     

    10

    1.0

    1.5

    10

    16

    1.1

    1.6

    16

    25

    1.2

    1.7

    25

    40

    1.3

    1.8

    40

    63

    1.4

    2.0

    63

    100

    1.6

    2.2

    100

    160

    1.8

    2.5

    160

    250

    2.0

    2.8

    250

    400

    2.2

    3.2

    400

    630

    2.6

    3.6

     

     
     
     
    GD Modern Castings Ltd
               
     
     
     
     

                         GD MODERN CASTINGS LTD
                            Address: Chuang Li Lai Industrial Park, Daize Town, Xinhui, Jiangmen City, Guangdong Province, China.      Postal zip:529162

    Tel: (86) 750 8269962  (86) 750 8269663  Fax:(86) 750 8269960

                E-mail: sales@mcl-cn.com

     
         
         

     

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