1, Parameter
Material name: ductile iron
Brand: QT600-3
Standard: 1348-88 GB
2, Characteristics and scope of application:
Pearlite ductile cast iron has higher strength, medium toughness and plasticity, high comprehensive performance, good wear resistance and damping, casting process performance of the characteristics of a good. Ductile Iron Casting can change its performance through various heat treatment. Mainly used for all kinds of power machinery crankshaft, camshaft, connecting shaft, connecting rod, gear, clutch plate, hydraulic cylinder and other parts
3, Chemical composition:
Carbon C:3.0 ~ 3.5
Silicon Si:2.4 ~ 2.8
Mn:0.3 ~ 0.5
Sulfur S:0.03 ~ 0.035
Phosphorus P:<0.1
Mg:0.045 ~ 0.05
Note: RxOy:0.033 ~ 0.049
4, Mechanical properties:
The ultimate tensile strength of B (MPa): 600
The yield strength of sigma 0.2 (MPa): 370
The rate of elongation (%): 3
Hardness: 190 ~ 270HB
Density: 7.3 units for the t/m or g/cm
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