Oct 05, 2006 · Steel's steel rail isplete in specifications, covering hot-rolled rail, heat-treated rail, 60 kg/m rail for 200 Km/h train lines,mon and high-speed switch rail. The unit weight of steel rail ranges from 37.2 kg/m to 75 kg/m, while the tensile strength can be classified into 880 MPa, 980 MPa, 1,175 MPa, and 1,275 MPa.
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