UNEQUAL ANGLE     Size (mm) Thickness (mm) kg/metre 65 x 50 5 4.02   6 5.16   8 6.59 75 x 50 5 4.36   6 5.62   8 7.19 100 x 75 6 7.98   8 10.3   10 12.4 125 x 75 6 9.16   8 11.8   10 14.2   12 … Continue reading UNEQUAL ANGLE