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Ductile iron QT600-3 of German wind power brakes

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Material name: Ductile iron castings
Brand: QT500-7
Standard: 1348-88 GB

Characteristics and application range of ductile iron castings QT600-3 :
Ductile iron castings(ductile iron parts) with high strength, toughness and plasticity of medium, high comprehensive performance, wear resistance and vibration resistance, and good casting process performance.Ductile Iron Fittings 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.

Chemical composition of ductile iron QT600-3:
C:3.0 ~ 3.5
Si:2.4 ~ 2.8
Mn:0.3 ~ 0.5
Sulfur S:0.03 ~ 0.035Ductile Iron
Phosphorus P:<0.1
Mg:0.045 ~ 0.05
Note: RxOy:0.033 ~ 0.049

Mechanical properties of ductile iron QT600-3:
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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