Appearance quality of cemented insulated fish plate

Cemented Insulated Fish Plate material belongs to forged steel.The utility model relates to a connecting fastener used for connecting between rails.

(1)After rolling the rail should be straight,no significant bending and torsion.The local bending and torsion of the light and light rail and the amount of the corrected deformation and the tilt of the end face of the rail shall not exceed the standard provisions.

(2)The surface of the rail should be clean and smooth,without cracks,scars,scratches and other defects;The end face shall not have shrinkage hole marks and interlayer,etc.The allowable defects on the overall surface of the light and heavy rail and the degree of geometric quantity shall not exceed the standard provisions.