Schwere Lkw Bremsscheibe Rotor Bremssystem, Auto Ersatzteile Fabrik

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: Pearlistic with max.15 ferrite. Free from chill

4. Physical Properties

    Tensile Strength: Min. 200 N/mm

    Brinell Hardness: 190 ~ 230