34216771970 DISCO DE FREIOS for BMW

Brake Disc / rotor   Brake Disc Brake Rotor for BMW 34216771970 disc brake assy  High quality disc brake assy,no noise disc brake assy,low price disc brake assy,every disc brake assy dynamic balance     1" cellpadding="2">

Brake Disc Type	Vented
Diameter [mm]	320
Brake Disc Thickness [mm]	20.0
Height [mm]	78,5
Rim Hole Number	5
Minimum Thickness [mm]	18
Hub Diameter 1 [mm]	75

  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: Pearlistic with max.15 ferrite. Free from chill

4. Physical Properties     Tensile Strength: Min. 200 N/mm     Brinell Hardness: 190 ~ 230

   

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Product Categories : Brake Disc And Drum For BMW