Asymmetric Slimflor Beams (ASB) - Section Properties Table

Dimensions and section properties for all 10 Asymmetric Slimflor Beams (ASB) to Tata Steel ASB (SCI P363 Blue Book): dimensions, mass and section properties for every ASB size. Use the table below for reference, or open the interactive tool to run EC3 capacity checks.

🔍 Open the full Steel Catalogue - properties, capacity & Find Section →Open the interactive ASB tool - EC3 capacity checks →

Designation	mass kg/m	h mm	b_t mm	b_b mm	t_w mm	t_f mm	I_y cm⁴	I_z cm⁴	i_y cm	i_z cm	W_el,y cm³	W_el,z cm³	W_pl,y cm³	W_pl,z cm³	u	X	A cm²
300 ASB 249^{^}	249	342	203	313	40	40	52900	13200	12.9	6.4	3530	843	3760	1510	0.82	6.8	318
300 ASB 196	196	342	183	293	20	40	45900	10500	13.6	6.48	3180	714	3060	1230	0.84	7.86	249
300 ASB 185^{^}	185	320	195	305	32	29	35700	8750	12.3	6.1	2540	574	2660	1030	0.82	8.56	235
300 ASB 155	155	326	179	289	16	32	34500	7990	13.2	6.35	2520	553	2360	950	0.84	9.4	198
300 ASB 153^{^}	153	310	190	300	27	24	28400	6840	12.1	5.93	2090	456	2160	817	0.82	9.97	195
280 ASB 136^{^}	136	288	190	300	25	22	22200	6260	11.3	6	1770	417	1810	741	0.81	10.2	174
280 ASB 124	124	296	178	288	13	26	23500	6410	12.2	6.37	1900	445	1730	761	0.83	10.5	158
280 ASB 105	105	288	176	286	11	22	19200	5300	12	6.3	1610	370	1440	633	0.83	12.1	133
280 ASB 100^{^}	100	276	184	294	19	16	15500	4250	11	5.76	1290	289	1290	511	0.81	13.2	128
280 ASB 74	73.6	272	175	285	10	14	12200	3330	11.4	5.96	1060	234	978	403	0.83	16.7	93.7

⁺ in addition to the range of BS 4 sections. ^# check availability.

10 sections · source: Tata Steel ASB

Related section types

Structural Tees - cut from UB

68 sections · BS EN 10365:2017

Structural Tees - cut from UC

22 sections · BS EN 10365:2017

Learn more

📘 How to read a steel section table (UB, UC, IPE, HE) →📘 Section modulus explained: elastic (Wel) vs plastic (Wpl) →

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