OEM No/Model: 2983C
Truck brake drum
OE NO:2983C
Vehicle type: GUNITE WEBB
Detail features:
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 |
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 |
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