Complete Guide to Rectangular Hollow Section Sizes

								Thickness (mm)

	2	2.5	3	3.2	3.6	4	5	6	6.3	8	10	12.5	16
Size (mm)								Kgs/m
40 x 20	1.68	2.18	2.55
50 x 25	2.21	2.72	3.25
50 x 30	2.37	2.92	3.45			4.46
60 x 40		3.71	4.39			5.72	6.97	8.25
80 x 40		4.26	5.34			6.97	8.54	10.50		12.80
80 x 50			5.82				9.38
90 x 50			6.28				10.10	12.00		15.30
100 x 50		5.63	6.75	7.18		8.86	10.90	12.90		16.60
100 x 60			7.22				11.70	13.80		17.80	21.88
100 x 80							13.28	15.75		20.50
120 x 60					9.72		13.30	15.52		20.50	25
120 x 80							14.80	17.60		22.90	27.4
120 x 100							16.41
150x100							18.70	22.30		29.10	35.7	43.6
160 x 80							18.00	21.30	22.30	27.90	33.7
200 x100							22.70	28.30		35.40	43.75	52.7	67
200 x 150							26.60	31.69		41.70	51.4	63.5
250 x 100								31.70		41.70	51.6	63.5	79.5
250 x 150							30.50	36.20		48.00	59.3	73	92
300 x 100								36.38		48.00	59.3	73
300 x 150										54.25	67.2	83	104.5
300 x 200									48.10	60.50	75	92.6	117
400 x 200									57.90	73.10	90.7	112
450 x 250											106	131
500 x 300											122	151	191