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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