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1387439
the professional brake disc brake rotors manufactuer and factory for cars,buses,pickups,SUV,MPV,LIGHT TRUCK,TRUCKS,heavy duty vehicles,commercial vehicles in China ;
we works in this field for 20 years along;not only accept thr orders of the OE NO ,but also can do the customized
brake discs with the drawings and samples;
the brake discs rotors deep processing :surface coated colors,drilled holes,slotted lines;DACROMET plated colors;
ZINC coated;Phosphating, carburizing etc crafts works supplying along;
1.Chemical specification
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 |
2.Physical propertities
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 |
the professional brake disc brake rotors manufactuer and factory for cars,buses,pickups,SUV,MPV,LIGHT TRUCK,TRUCKS,heavy duty vehicles,commercial vehicles in China ;
we works in this field for 20 years along;not only accept thr orders of the OE NO ,but also can do the customized
brake discs with the drawings and samples;
the brake discs rotors deep processing :surface coated colors,drilled holes,slotted lines;DACROMET plated colors;
ZINC coated;Phosphating, carburizing etc crafts works supplying along;
1.Chemical specification
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 |
2.Physical propertities
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 |