Designation	Mass per metre	Depth of Section	Width of Section	Thickness Web	Thickness Flange
		h	b	s	t
	kg/m	mm	mm	mm	mm
76 x 38	6.70	76.2	38.1	5.1	6.8
100 x 50 x 10	10.2	100	50	5.0	8.5
125 x 65 x 15	14.8	125	65	5.5	9.5
150 x 75 x 18	17.9	150	75	5.5	10.0
150 x 90 x 24	23.9	150	90	6.5	12.0
180 x 75 x 20	20.3	180	75	6.0	10.5
180 x 90 x 26	26.1	180	90	6.5	12.5
200 x 75 x 23	23.4	200	75	6.0	12.5
200 x 90 x 30	29.7	200	90	7.0	14.0
230 x 75 x 26	25.7	230	75	6.5	12.5
230 x 90 x 32	32.2	230	90	7.5	142.0
260 x 75 x 28	27.6	260	75	7.0	12.0
260 x 90 x 35	34.8	260	90	8.0	14.0