Steel Decking

Available in gauges 0.9 and 1.2mm and in two different material grades.


R51 Section Properties (per metre width)

Nominal Design Thickness Available Grades Depth of Profile Weight of Profile Height of neutral Area of Steel Moment of interia
thickness mm (bare steel) mm N/mm2 mm kg/m2 kN/m2 axix mm mm2/m cm4/m
0.9 0.86 S350 51 12.98 0.128 16.9 1580 62.3
1.0 0.96 S350 51 14.42 0.142 16.9 1764 71.0
1.2 1.16 S350 51 17.30 0.170 16.8 2131 87.7


TR60 Section Properties (per metre width)

Nominal Design Thickness Available Grades Depth of Profile Weight of Profile Height of neutral Area of Steel Moment of interia
thickness mm (bare steel) mm N/mm2 mm kg/m2 kN/m2 axix mm mm2/m cm4/m
0.9 0.86 S350 or S450 60 / 72* 9.99 0.098 33.6 1216 93.5
1.0 0.96 S350 or S450 60 / 72* 11.08 0.109 33.6 1355 102.1
1.2 1.16 S350 or S450 60 / 72* 13.26 0.130 33.7 1633 119.8


TR80 Section Properties (per metre width)

Nominal Design Thickness Available Grades Depth of Profile Weight of Profile Height of neutral Area of Steel Moment of interia
thickness mm (bare steel) mm N/mm2 mm kg/m2 kN/m2 axix mm mm2/m cm4/m
0.9 0.86 S350 or S450 80 / 92* 11.37 0.112 42.3 1385 172.9
1.0 0.96 S350 or S450 80 / 92* 12.59 0.123 42.4 1539 192.3
1.2 1.16 S350 or S450 80 / 92* 15.10 0.148 42.5 1860 231.1

When estimating concrete usage we recommend that -8mm is allowed for voids and +span/250mm allowed for pondong. E.g. 150 slab over 3m unpropped… equivalent sold slab= 150-8+3000/250=154mm (approximation only).