Size 

 Thickness   Weight
Web (mm) Flange (mm) Web Flange Kgs/Ft
(min) (max) (min) (max) (min) (max)
38 38 4 6 4 6 0.50 0.70
50 50 4 7 4 7 0.50 1.20
75 75 5 7 5 7 2.25 3.00
100 100 6 8 6 8 3.50 4.00
125 125 7 9 7 9 5.5 6.00
150 150 7 9 7 9 7.5 8.00