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QT400-15 Rail Shoulder
QT400-15 Rail Shoulder QT400-15 rail shoulder is cast into the concrete sleeper and is used to fix the elastic fastener. It comes in two types: cast shoulder and welded shoulder, both used to hold elastic fasteners. As an embedded part of the railway fastening system, the QT400-15 rail shoulder...
Features
QT400-15 rail shoulder is cast into the concrete sleeper and is used to fix the elastic fastener. It comes in two types: cast shoulder and welded shoulder, both used to hold elastic fasteners. As an embedded part of the railway fastening system, the QT400-15 rail shoulder is pressed into the concrete sleeper and used with the E-type fastener to secure the rail.
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material
Chemical composition (%) :
The content of C (carbon) is 3.60~3.80, the content of Mn (manganese) is 0.2~0.5, the content of Si (silicon) is 2.50~2.90, the content of P (phosphorus) is ≤0.08, the content of S (sulfur) is ≤0.025.
Mechanical properties
tensile strength ≥400Mpa, yield strength ≥250Mpa, elongation ≥15%, hardness in the range of 130~180HB.
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