Brake disc rotor, sand casting brake disc rotor

Specifications Sand casting Brake Disc Rotor

1)Manufacture

2)Fast delivery

3)HT250/GG20/G3000

Sand casting Brake Disc rotor 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:      3.1 Graphite Structure-          Predominantly type A, size 3-5.     3.2 Matrix         Pearlitic with max. 15 ferrite         Free from chill 4. Physical Properties:      4.1 Tensile Strength-     Min. 200 N/mm      4.2 Brinell Hardness-     190 - 230            ( 10 mm ball, 3,000 kg load)  

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Product Categories : Brake Disc And Drum For BMW