IS 4485 : 1968 Specification for Track Spanners for Railways

UDC 621.883.3 : 625.144 PGD 34
Reaffirmed 2021

1 Scope

1.1 This standard specifies the requirements for track spannersused by the railways.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1501 : 1959 Method for Vickers hardness test forsteel

IS 1570 : 1961Schedules for wrought steels for general engineeringpurposes

IS 1363 : 1967 Specification for black hexagonbolts, nuts and lock nutsand black hexagon screws