4246A7 for peugeot 206 auto spare parts

Quality Standard---GG20

  Material Requirements

   1) Must meet Grade GG20 for gray iron castings.

    2) Chemical Composition (Percent)

       * Total Carbon:     3.0 - 3.50%

       * Silicon:             1.90 - 2.30%

       * Manganese:       0.60 - 0.90%

       * Phosphorus:      0.12% Max.

       * Sulfur:               0.10% Max.

    3) Microstructure:

        Graphite Structure-  Predominantly type A, size 3-5.

          Matrix- Pearlitic with max. 15 ferrite. Free from chill

    4) Physical Properties:

        Tensile Strength-     Min. 200 N/mm

       Brinell Hardness-     190 - 230

 Tunemout Auto Parts Co.,LTD, we specialize in the manufacture and export of high quality auto parts to the automotive aftermarkets Europe,America,Africa and Asia,the group starts auto parts business from 2006.