Tubular

Circular Hollow Steel (CHS)

Standard length 6.5 m.

All 98 listed sizes

Nominal bore

Weight class

Finish

Pick one size to add to your list
Nominal bore	Weight class	Wall	Finish
10 NB (17.2 OD)	Medium	2.3 mm	Galvanised
10 NB (17.2 OD)	Medium	2.3 mm	Painted
15 NB (21.3 OD)	Medium	2.6 mm	Galvanised
15 NB (21.3 OD)	Medium	2.6 mm	Painted
15 NB (21.3 OD)	Heavy	3.2 mm	Galvanised
15 NB (21.3 OD)	Heavy	3.2 mm	Painted
20 NB (26.9 OD)	Extra light	2.0 mm	Galvanised
20 NB (26.9 OD)	Extra light	2.0 mm	Painted
20 NB (26.9 OD)	Light	2.3 mm	Galvanised
20 NB (26.9 OD)	Light	2.3 mm	Painted
20 NB (26.9 OD)	Medium	2.6 mm	Galvanised
20 NB (26.9 OD)	Medium	2.6 mm	Painted
20 NB (26.9 OD)	Heavy	3.2 mm	Galvanised
20 NB (26.9 OD)	Heavy	3.2 mm	Painted
25 NB (33.7 OD)	Extra light	2.0 mm	Galvanised
25 NB (33.7 OD)	Extra light	2.0 mm	Painted
25 NB (33.7 OD)	Light	2.6 mm	Galvanised
25 NB (33.7 OD)	Light	2.6 mm	Painted
25 NB (33.7 OD)	Medium	3.2 mm	Galvanised
25 NB (33.7 OD)	Medium	3.2 mm	Painted
25 NB (33.7 OD)	Heavy	4.0 mm	Galvanised
25 NB (33.7 OD)	Heavy	4.0 mm	Painted
32 NB (42.4 OD)	Extra light	2.0 mm	Galvanised
32 NB (42.4 OD)	Extra light	2.0 mm	Painted
32 NB (42.4 OD)	Light	2.6 mm	Galvanised
32 NB (42.4 OD)	Light	2.6 mm	Painted
32 NB (42.4 OD)	Medium	3.2 mm	Galvanised
32 NB (42.4 OD)	Medium	3.2 mm	Painted
32 NB (42.4 OD)	Heavy	4.0 mm	Galvanised
32 NB (42.4 OD)	Heavy	4.0 mm	Painted
40 NB (48.3 OD)	Extra light	2.3 mm	Galvanised
40 NB (48.3 OD)	Extra light	2.3 mm	Painted
40 NB (48.3 OD)	Light	2.9 mm	Galvanised
40 NB (48.3 OD)	Light	2.9 mm	Painted
40 NB (48.3 OD)	Medium	3.2 mm	Galvanised
40 NB (48.3 OD)	Medium	3.2 mm	Painted
40 NB (48.3 OD)	Heavy	4.0 mm	Galvanised
40 NB (48.3 OD)	Heavy	4.0 mm	Painted
40 NB (48.3 OD)	Extra heavy	5.4 mm	Painted
50 NB (60.3 OD)	Extra light	2.3 mm	Galvanised
50 NB (60.3 OD)	Extra light	2.3 mm	Painted
50 NB (60.3 OD)	Light	2.9 mm	Galvanised
50 NB (60.3 OD)	Light	2.9 mm	Painted
50 NB (60.3 OD)	Medium	3.6 mm	Galvanised
50 NB (60.3 OD)	Medium	3.6 mm	Painted
50 NB (60.3 OD)	Heavy	4.5 mm	Galvanised
50 NB (60.3 OD)	Heavy	4.5 mm	Painted
50 NB (60.3 OD)	Extra heavy	5.4 mm	Painted
65 NB (76.1 OD)	Extra light	2.3 mm	Galvanised
65 NB (76.1 OD)	Extra light	2.3 mm	Painted
65 NB (76.1 OD)	Light	3.2 mm	Galvanised
65 NB (76.1 OD)	Light	3.2 mm	Painted
65 NB (76.1 OD)	Medium	3.6 mm	Galvanised
65 NB (76.1 OD)	Medium	3.6 mm	Painted
65 NB (76.1 OD)	Heavy	4.5 mm	Galvanised
65 NB (76.1 OD)	Heavy	4.5 mm	Painted
65 NB (76.1 OD)	Extra heavy	5.9 mm	Painted
80 NB (88.9 OD)	Extra light	2.6 mm	Galvanised
80 NB (88.9 OD)	Extra light	2.6 mm	Painted
80 NB (88.9 OD)	Light	3.2 mm	Galvanised
80 NB (88.9 OD)	Light	3.2 mm	Painted
80 NB (88.9 OD)	Medium	4.0 mm	Galvanised
80 NB (88.9 OD)	Medium	4.0 mm	Painted
80 NB (88.9 OD)	Heavy	5.0 mm	Galvanised
80 NB (88.9 OD)	Heavy	5.0 mm	Painted
80 NB (88.9 OD)	Extra heavy	5.9 mm	Painted
90 NB (101.6 OD)	Extra light	2.6 mm	Galvanised
90 NB (101.6 OD)	Extra light	2.6 mm	Painted
90 NB (101.6 OD)	Light	3.2 mm	Galvanised
90 NB (101.6 OD)	Light	3.2 mm	Painted
90 NB (101.6 OD)	Medium	4.0 mm	Galvanised
90 NB (101.6 OD)	Medium	4.0 mm	Painted
90 NB (101.6 OD)	Heavy	5.0 mm	Galvanised
90 NB (101.6 OD)	Heavy	5.0 mm	Painted
100 NB (114.3 OD)	Extra light	3.2 mm	Galvanised
100 NB (114.3 OD)	Extra light	3.2 mm	Painted
100 NB (114.3 OD)	Light	3.6 mm	Galvanised
100 NB (114.3 OD)	Light	3.6 mm	Painted
100 NB (114.3 OD)	Medium	4.5 mm	Galvanised
100 NB (114.3 OD)	Medium	4.5 mm	Painted
100 NB (114.3 OD)	Heavy	5.4 mm	Galvanised
100 NB (114.3 OD)	Heavy	5.4 mm	Painted
125 NB (139.7 OD)	Extra light	3.0 mm	Galvanised
125 NB (139.7 OD)	Extra light	3.0 mm	Painted
125 NB (139.7 OD)	Light	3.5 mm	Galvanised
125 NB (139.7 OD)	Light	3.5 mm	Painted
125 NB (139.7 OD)	Medium	5.0 mm	Galvanised
125 NB (139.7 OD)	Medium	5.0 mm	Painted
125 NB (139.7 OD)	Heavy	5.4 mm	Galvanised
125 NB (139.7 OD)	Heavy	5.4 mm	Painted
150 NB (165.1 OD)	Extra light	3.0 mm	Galvanised
150 NB (165.1 OD)	Extra light	3.0 mm	Painted
150 NB (165.1 OD)	Light	3.5 mm	Galvanised
150 NB (165.1 OD)	Light	3.5 mm	Painted
150 NB (165.1 OD)	Medium	5.0 mm	Galvanised
150 NB (165.1 OD)	Medium	5.0 mm	Painted
150 NB (165.1 OD)	Heavy	5.4 mm	Galvanised
150 NB (165.1 OD)	Heavy	5.4 mm	Painted

Pick a size from the list.

Lengths

Note (optional)

Comparing sizes? The steel selector draws each section to scale and weighs your order as you build it.

Need help choosing? Call (07) 4660 6200.