Properties - Asymmetric Beams

Welcome to our Asymmetric Beam properties page! Here you'll find properties for all UK Asymmetric Beam steel sections described by the Steelwork Design Guide to BS5950-1:2000, Volume 1, Section Properties, Member Capacities, 7th Edition (also known as The Blue Book). Sort the table below according to any property and select a CAD file to download using the reference links in the left-most column.

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Section Reference	Radius of Gyration		Elastic Modulus			Neutral Axis Position		Plastic Modulus		Buckling Parameter	Torsional Index	Warping Constant	Torsional Constant	Area of Section
	Axis x-x	Axis y-y	Axis x-x	Axis x-x	Axis y-y	Elastic	Plastic	Axis x-x	Axis y-y
	cm	cm	Top cm³	Bottom cm³	cm³	Y_e cm	Y_p cm	cm³	cm³	u	x	H dm⁶	J cm⁴	A cm²
300ASB249	12.9	6.4	2760	3530	843	19.2	22.6	3760	1510	0.82	6.8	2	2000	318
300ASB196	13.6	6.48	2320	3180	714	19.8	28.1	3060	1230	0.84	7.86	1.5	1180	249
300ASB185	12.3	6.1	1980	2540	574	18	21	2660	1030	0.82	8.56	1.2	871	235
300ASB155	13.2	6.35	1830	2520	553	18.9	27.3	2360	950	0.84	9.4	1.07	620	198
300ASB153	12.1	5.93	1630	2090	456	17.4	20.4	2160	817	0.82	9.97	0.895	513	195
280ASB136	11.3	6	1370	1770	417	16.3	19.2	1810	741	0.81	10.2	0.71	379	174
280ASB124	12.2	6.37	1360	1900	445	17.3	25.7	1730	761	0.83	10.5	0.721	332	158
280ASB105	12	6.3	1150	1610	370	16.8	25.3	1440	633	0.83	12.1	0.574	207	133
280ASB100	11	5.76	995	1290	289	15.6	18.4	1290	511	0.81	13.2	0.451	160	128
280ASB74	11.4	5.96	776	1060	234	15.7	21.3	978	403	0.83	16.7	0.338	72	93.7