China Auto Parts Brake Disc for Auto Accessory, Find details about China Car Parts, Auto Accessory from Auto Parts Brake Disc for Auto Accessory
Item | standards | Brake disc |
C | 3.1--3.4 | 3.3 |
Si | 1.9--2.3 | 1.95 |
Mn | 0.6--0.9 | 0.75 |
P | 0.15 MAX | 0.1 |
S | 0.12MAX | 0.08 |
Item | standards | Brake disc |
Tensile strength | 245 N/mm2 MIN | 268 |
Hardness HB | 187--241 HB | 230 |
microstructure | A 85% MIN+B5%MAX | A 92% MIN +B 4%MAX |
Dynamic balance Disc | 260 g-cm MAX | 200 g-cm |
Dynamic balance Drum | 1300 g-cm MAX | 500 g-cm |