Rashtriya Ispat Nigam Ltd.
The
Channels
products find extensive usage in the Construction, Infrastructure, Railways, Power, Oil, defense, Transport and Ship Building sectors.
Rationalised sizes of Channel
Section
Dimensions mm
Sectional Weight kg/m
Length m
Channel
75 x 40 x 4.8
7.14
10 to 12 or all dimensions
100 x 50 x 5
9.56
250 x 82 x 9
34.2
300 x 90 x 7.8
36.3
400 x 100 x 8.8
50.1
Depth mm
Tolerance
Width of flange
Tolerance
Up to 200
± 2.5
Up to 100 mm
± 2 mm
> 200 to 400
± 3.0
Tolerance on weight per metre shall be ± 2.5% of the weight per metre. The permissible limits for camber and sweep shall be 0.2% of the length.