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The appearance quality problem of railway fittings.
Jan 11, 2018

Railway parts rolling after the rail should be straight, no significant bending and twisting.

For the local bending and torsion of the light weight rail and its correction deformation, the inclination of the rail end face should not exceed the standard.

The surface of the rail should be clean and smooth, no cracks, scarring, scratches, etc.

The end face must not have the shrinkage mark and the interlayer and so on.

The degree of defects and geometric quantities allowed in the overall surface of the light and light rail shall not exceed the standard.