Customer customized production, such as brake disc refitting disc processing, sample and drawings customized, spraying color, drilling, milling groove, marking, milling teeth and other precision mechanical characteristics processing.welcome send the sample or drawing to develop new modified brake rotors future.
the size and catalogue for these modified brake rotors as below:
1.Chemical specification
Item |
standards |
Brake drum |
C |
3.1--3.4 |
3.25 |
Si |
1.9--2.3 |
1.9 |
Mn |
0.6--0.9 |
0.8 |
P |
0.15 MAX |
0.08 |
S |
0.12MAX |
0.09 |
2.Physical propertities
Item |
standards |
Brake drum |
Tensile strength |
245 N/m㎡ MIN |
264 |
Hardness HB |
187--241 HB |
231 |
microstructure |
A 85% MIN+B5%MAX |
A 90% MIN +B 3%MAX |
Dynamic balance Disc |
260 g-cm MAX |
|
Dynamic balance Drum |
1300 g-cm MAX |
500 |
3.Apperance
The drum and disc's surface checked and free of chills,shrink,porosity,slag,inclusions,cracks,cold pour ,burrs and any other imperfections .