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Qt400 450 500 Ductile Iron Bar  

Qt400 450 500 Ductile Iron Bar

Qt400, Qt450, and Qt500 are grades of ductile iron bars that have different mechanical properties and applications. Qt400 ductile iron bar has a minimum tensile strength of 400 MPa and a minimum elongation of 18%. It is commonly used in the manufacturing of gears, cams, and other mechanical components that require high strength and wear resistance. Qt450 ductile iron bar has a minimum tensile strength of 450 MPa and a minimum elongation of 12%. It is commonly used in the manufacturing of automotive parts, such as crankshafts, connecting rods, and suspension components. Qt500 ductile iron bar has a minimum tensile strength of 500 MPa and a minimum elongation of 7%. It is commonly used in the manufacturing of heavy-duty machinery, such as hydraulic cylinders, mining equipment, and construction machinery. Overall, ductile iron bars offer excellent mechanical properties, including high strength, toughness, and wear resistance. They are also cost-effective and easy to machine, making…