China Car Brake Drum 4247.17 for Peugeot 504, Find details about China Brake Drum 4247.17 for Peugeot 504, Drum 4247.17 Peugeot 504 from Car Brake Drum 4247.17 for Peugeot 504
Cast iron | ||||||||||||
CHEMICAL COMPOSITION(mass%) | ||||||||||||
C | SI | Mn | Ni | Cr | Mo | Cu | S | P | Sn | Ti | V | |
% MIN | 3.65 | 1.6 | 0.4 | / | 0.15 | / | 0.3 | / | / | / | / | / |
% MAX | 3.8 | 2.1 | 0.8 | 0.1 | 0.35 | 0.25 | 0.6 | 0.15 | 0.1 | 0.15 | 0.05 | 0.05 |
MICROSTRUCTURE | ||||||||||||
MATRIX | Type of matrix | Fine Lamellar | ||||||||||
Permissible limit | 5% Max, well distributed | |||||||||||
Ledebutite | Not permissible | |||||||||||
GRAPHITE (To UNI EN ISO 945) | Shape | ∣ | ||||||||||
Distribution | A: 70% MIN | |||||||||||
D·E:<4% Disporsed | ||||||||||||
B: Resto/Remainder | ||||||||||||
Size | 3- 4 -5 : 70% MIN | |||||||||||
2: Traces | ||||||||||||
6:≤15% | ||||||||||||
Cementite and free carbides | Traces up pt 1% MAX permissible | |||||||||||
MECHANICAL PROPERTIES OF CASTING | ||||||||||||
HARDNESS (HBW) | On machined braking surfaces | 170~210 | ||||||||||
On braking surfaces as-cast (0.5 mm below surface) | 230MAX | |||||||||||
TENSILE STRENGTH(Rm) (N/m²) | On braking surface | 170 MIN | ||||||||||
On mounting flange | ||||||||||||
WEDGE INDENTATION STRENGTH (Rmk)(N/m²) | On braking surface | 125 MIN | ||||||||||
Young's MODULUS (E) (N/m²) | / | 95 | ||||||||||
PHYSICAL PROPERITIES (Indicative values) | ||||||||||||
Density (volumic mass) | 7.1 kg/dm³ | |||||||||||
Coefficient of thermal expansion at 20 degree | 9.10 1/K | |||||||||||
Thermal conductivity at 100 degree | 50 W/Mk |