Properties - Hot Finished Rectangular Hollow Sections

Welcome to our Hot Finished Rectangular Hollow Section properties page! Here you'll find properties for all UK Hot Finished Rectangular Hollow Section 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	Ratios for Local Buckling		Second Moment of Area		Radius of Gyration		Elastic Modulus		Plastic Modulus		Torsional Constants		Surface Area
			Axis x-x	Axis y-y	Axis x-x	Axis y-y	Axis x-x	Axis y-y	Axis x-x	Axis y-y			Per Metre	Per Tonne
	d/t⁽¹⁾	b/t⁽¹⁾	cm⁴	cm⁴	cm	cm	cm³	cm³	cm³	cm³	J cm⁴	C cm³	m²	m²
50x30x3.2	12.6	6.38	14.2	6.2	1.76	1.16	5.68	4.13	7.25	5	14.2	6.8	0.152	42.1
60x40x3.0	17	10.3	26.5	13.9	2.18	1.58	8.82	6.95	10.9	8.19	29.2	11.2	0.192	44.1
60x40x4.0	12	7	32.8	17	2.14	1.54	10.9	8.52	13.8	10.3	36.7	13.7	0.19	33.7
60x40x5.0	9	5	38.1	19.5	2.09	1.5	12.7	9.77	16.4	12.2	43	15.7	0.187	27.3
80x40x3.2	22	9.5	57.2	18.9	2.83	1.63	14.3	9.46	18	11	46.2	16.1	0.232	41.3
80x40x4.0	17	7	68.2	22.2	2.79	1.59	17.1	11.1	21.8	13.2	55.2	18.9	0.23	33.3
80x40x5.0	13	5	80.3	25.7	2.74	1.55	20.1	12.9	26.1	15.7	65.1	21.9	0.227	27
80x40x6.3	9.7	3.35	93.3	29.2	2.67	1.49	23.3	14.6	31.1	18.4	75.6	24.8	0.224	21.7
80x40x8.0	7	2	106	32.1	2.58	1.42	26.5	16.1	36.5	21.2	85.8	27.4	0.219	17.5
90x50x3.6	22	10.9	98.3	38.7	3.23	2.03	21.8	15.5	27.2	18	89.4	25.9	0.271	36.6
90x50x5.0	15	7	127	49.2	3.16	1.97	28.3	19.7	36	23.5	116	32.9	0.267	26.7
90x50x6.3	11.3	4.94	150	57	3.1	1.91	33.3	22.8	43.2	28	138	38.1	0.264	21.5
100x50x3.0	30.3	13.7	110	36.8	3.58	2.08	21.9	14.7	27.3	16.8	88.4	25	0.292	43.5
100x50x3.2	28.3	12.6	116	38.8	3.57	2.07	23.2	15.5	28.9	17.7	93.4	26.4	0.292	41
100x50x4.0	22	9.5	140	46.2	3.53	2.03	27.9	18.5	35.2	21.5	113	31.4	0.29	33
100x50x5.0	17	7	167	54.3	3.48	1.99	33.3	21.7	42.6	25.8	135	36.9	0.287	26.6
100x50x6.3	12.9	4.94	197	63	3.42	1.93	39.4	25.2	51.3	30.8	160	42.9	0.284	21.4
100x50x8.0	9.5	3.25	230	71.7	3.33	1.86	46	28.7	61.4	36.3	186	48.9	0.279	17.1
100x60x3.6	24.8	13.7	145	64.8	3.65	2.44	28.9	21.6	35.6	24.9	142	35.6	0.311	36.5
100x60x5.0	17	9	189	83.6	3.58	2.38	37.8	27.9	47.4	32.9	188	45.9	0.307	26.5
100x60x6.3	12.9	6.52	225	98.1	3.52	2.33	45	32.7	57.3	39.5	224	53.8	0.304	21.4
100x60x8.0	9.5	4.5	264	113	3.44	2.25	52.8	37.8	68.7	47.1	265	62.2	0.299	17.1
120x60x3.6	30.3	13.7	227	76.3	4.3	2.49	37.9	25.4	47.2	28.9	183	43.3	0.351	36.3
120x60x5.0	21	9	299	98.8	4.23	2.43	49.9	32.9	63.1	38.4	242	56	0.347	26.5
120x60x6.3	16	6.52	358	116	4.16	2.37	59.7	38.8	76.7	46.3	290	65.9	0.344	21.2
120x60x8.0	12	4.5	425	135	4.08	2.3	70.8	45	92.7	55.4	344	76.6	0.339	16.9
120x80x5.0	21	13	365	193	4.42	3.21	60.9	48.2	74.6	56.1	401	77.9	0.387	26.3
120x80x6.3	16	9.7	440	230	4.36	3.15	73.3	57.6	91	68.2	487	92.9	0.384	21.1
120x80x8.0	12	7	525	273	4.27	3.08	87.5	68.1	111	82.6	587	110	0.379	16.8
120x80x10.0	9	5	609	313	4.18	2.99	102	78.1	131	97.3	688	126	0.374	13.6
150x100x5.0	27	17	739	392	5.58	4.07	98.5	78.5	119	90.1	807	127	0.487	26.2
150x100x6.3	20.8	12.9	898	474	5.52	4.01	120	94.8	147	110	986	153	0.484	21
150x100x8.0	15.8	9.5	1090	569	5.44	3.94	145	114	180	135	1200	183	0.479	16.6
150x100x10.0	12	7	1280	665	5.34	3.85	171	133	216	161	1430	214	0.474	13.4
150x100x12.5	9	5	1490	763	5.22	3.74	198	153	256	190	1680	246	0.468	10.9
150x125x4.0	34.5	28.3	714	539	5.8	5.04	95.2	86.3	112	98.9	949	133	0.54	32.5
150x125x5.0	27	22	870	656	5.76	5	116	105	138	121	1160	162	0.537	26.1
150x125x6.3	20.8	16.8	1060	798	5.7	4.94	141	128	169	149	1430	196	0.534	20.9
150x125x8.0	15.8	12.6	1290	966	5.62	4.87	172	155	208	183	1750	237	0.529	16.5
150x125x10.0	12	9.5	1530	1140	5.53	4.78	204	183	251	221	2100	279	0.524	13.4
150x125x12.5	9	7	1780	1330	5.42	4.67	238	212	299	262	2490	324	0.518	10.9
160x80x4.0	37	17	612	207	5.77	3.35	76.5	51.7	94.7	58.3	493	88.1	0.47	32.6
160x80x5.0	29	13	744	249	5.72	3.31	93	62.3	116	71.1	600	106	0.467	26.2
160x80x6.3	22.4	9.7	903	299	5.66	3.26	113	74.8	142	86.8	730	127	0.464	20.9
160x80x8.0	17	7	1090	356	5.57	3.18	136	89	175	106	883	151	0.459	16.6
160x80x10.0	13	5	1280	411	5.47	3.1	161	103	209	125	1040	175	0.454	13.5
200x100x5.0	37	17	1500	505	7.21	4.19	149	101	185	114	1200	172	0.587	26
200x100x6.3	28.7	12.9	1830	613	7.15	4.14	183	123	228	140	1480	208	0.584	20.8
200x100x8.0	22	9.5	2230	739	7.06	4.06	223	148	282	172	1800	251	0.579	16.5
200x100x10.0	17	7	2660	869	6.96	3.98	266	174	341	206	2160	295	0.574	13.3
200x100x12.5	13	5	3140	1000	6.84	3.87	314	201	408	245	2540	341	0.568	10.8
200x120x5.0	37	21	1690	762	7.4	4.98	168	127	205	144	1650	210	0.627	26
200x120x6.3	28.7	16	2070	929	7.34	4.92	207	155	253	177	2030	255	0.624	20.7
200x120x8.0	22	12	2530	1130	7.26	4.85	253	188	313	218	2500	310	0.619	16.5
200x120x10.0	17	9	3030	1340	7.17	4.76	303	223	379	263	3000	367	0.614	13.3
200x120x14.2	11.1	5.45	3910	1690	6.96	4.58	391	282	503	346	3920	464	0.603	9.53
200x150x8.0	22	15.8	2970	1890	7.5	5.99	297	253	359	294	3640	398	0.679	16.4
200x150x10.0	17	12	3570	2260	7.41	5.91	357	302	436	356	4410	475	0.674	13.2
250x120x10.0	22	9	5310	1640	8.78	4.88	425	273	539	318	4090	468	0.714	13.2
250x120x12.5	17	6.6	6330	1930	8.65	4.77	506	321	651	381	4880	549	0.708	10.7
250x120x14.2	14.6	5.45	6960	2090	8.56	4.7	556	349	722	421	5360	597	0.703	9.44
250x150x5.0	47	27	3360	1530	9.31	6.28	269	204	324	228	3280	337	0.787	25.9
250x150x6.3	36.7	20.8	4140	1870	9.25	6.22	331	250	402	283	4050	413	0.784	20.6
250x150x8.0	28.3	15.8	5110	2300	9.17	6.15	409	306	501	350	5020	506	0.779	16.3
250x150x10.0	22	12	6170	2760	9.08	6.06	494	367	611	426	6090	605	0.774	13.2
250x150x12.5	17	9	7390	3270	8.96	5.96	591	435	740	514	7330	717	0.768	10.6
250x150x14.2	14.6	7.56	8140	3580	8.87	5.88	651	477	823	570	8100	784	0.763	9.41
250x150x16.0	12.6	6.38	8880	3870	8.79	5.8	710	516	906	625	8870	849	0.759	8.41
250x200x10.0	22	17	7610	5370	9.47	7.95	609	537	731	626	9890	835	0.874	13.1
250x200x12.5	17	13	9150	6440	9.35	7.85	732	644	888	760	12000	997	0.868	10.6
250x200x14.2	14.6	11.1	10100	7100	9.28	7.77	809	710	990	846	13300	1100	0.863	9.35
260x140x5.0	49	25	3530	1350	9.55	5.91	272	193	331	216	3080	326	0.787	25.9
260x140x6.3	38.3	19.2	4360	1660	9.49	5.86	335	237	411	267	3800	399	0.784	20.6
260x140x8.0	29.5	14.5	5370	2030	9.4	5.78	413	290	511	331	4700	488	0.779	16.3
260x140x10.0	23	11	6490	2430	9.31	5.7	499	347	624	402	5700	584	0.774	13.2
260x140x12.5	17.8	8.2	7770	2880	9.18	5.59	597	411	756	485	6840	690	0.768	10.6
260x140x14.2	15.3	6.86	8560	3140	9.1	5.52	658	449	840	537	7560	754	0.763	9.41
260x140x16.0	13.3	5.75	9340	3400	9.01	5.44	718	486	925	588	8260	815	0.759	8.41
300x100x8.0	34.5	9.5	6310	1080	10.2	4.21	420	216	546	245	3070	387	0.779	16.3
300x100x10.0	27	7	7610	1280	10.1	4.13	508	255	666	296	3680	458	0.774	13.2
300x100x14.2	18.1	4.04	10000	1610	9.85	3.94	669	321	896	390	4760	578	0.763	9.41
300x150x8.0	34.5	15.8	8010	2700	10.8	6.27	534	360	663	407	6450	613	0.879	16.3
300x150x10.0	27	12	9720	3250	10.7	6.18	648	433	811	496	7840	736	0.874	13.1
300x150x12.5	21	9	11700	3860	10.6	6.07	779	514	986	600	9450	874	0.868	10.6
300x150x14.2	18.1	7.56	12900	4230	10.5	6	862	564	1100	666	10500	959	0.863	9.35
300x150x16.0	15.8	6.38	14200	4600	10.4	5.92	944	613	1210	732	11500	1040	0.859	8.34
300x200x6.3	44.6	28.7	7830	4190	11.3	8.29	522	419	624	472	8480	681	0.984	20.5
300x200x8.0	34.5	22	9720	5180	11.3	8.22	648	518	779	589	10600	840	0.979	16.2
300x200x10.0	27	17	11800	6280	11.2	8.13	788	628	956	721	12900	1020	0.974	13.1
300x200x12.5	21	13	14300	7540	11	8.02	952	754	1170	877	15700	1220	0.968	10.5
300x200x14.2	18.1	11.1	15800	8330	11	7.95	1060	833	1300	978	17500	1340	0.963	9.35
300x200x16.0	15.8	9.5	17400	9110	10.9	7.87	1160	911	1440	1080	19300	1470	0.959	8.34
300x250x5.0	57	47	7410	5610	11.7	10.2	494	449	575	508	9770	697	1.09	25.8
300x250x6.3	44.6	36.7	9190	6950	11.7	10.2	613	556	716	633	12200	862	1.08	20.5
300x250x8.0	34.5	28.3	11400	8630	11.6	10.1	761	690	896	791	15200	1070	1.08	16.2
300x250x10.0	27	22	13900	10500	11.5	10	928	840	1100	971	18600	1300	1.07	13
300x250x12.5	21	17	16900	12700	11.4	9.89	1120	1010	1350	1190	22700	1560	1.07	10.5
300x250x14.2	18.1	14.6	18700	14100	11.3	9.82	1250	1130	1510	1330	25400	1730	1.06	9.22
300x250x16.0	15.8	12.6	20600	15500	11.2	9.74	1380	1240	1670	1470	28100	1900	1.06	8.28
350x150x5.0	67	27	7660	2050	12.5	6.49	437	274	543	301	5160	477	0.987	25.8
350x150x6.3	52.6	20.8	9480	2530	12.5	6.43	542	337	676	373	6390	586	0.984	20.5
350x150x8.0	40.8	15.8	11800	3110	12.4	6.36	673	414	844	464	7930	721	0.979	16.2
350x150x10.0	32	12	14300	3740	12.3	6.27	818	498	1040	566	9630	867	0.974	13.1
350x150x12.5	25	9	17300	4450	12.2	6.17	988	593	1260	686	11600	1030	0.968	10.5
350x150x14.2	21.6	7.56	19200	4890	12.1	6.09	1100	652	1410	763	12900	1130	0.963	9.35
350x150x16.0	18.9	6.38	21100	5320	12	6.01	1210	709	1560	840	14100	1230	0.959	8.34
350x250x5.0	67	47	10600	6360	13.5	10.4	607	509	716	569	12200	817	1.19	25.8
350x250x6.3	52.6	36.7	13200	7890	13.4	10.4	754	631	892	709	15200	1010	1.18	20.4
350x250x8.0	40.8	28.3	16400	9800	13.3	10.3	940	784	1120	888	19000	1250	1.18	16.2
350x250x10.0	32	22	20100	11900	13.2	10.2	1150	955	1380	1090	23400	1530	1.17	13
350x250x12.5	25	17	24400	14400	13.1	10.1	1400	1160	1690	1330	28500	1840	1.17	10.4
350x250x14.2	21.6	14.6	27200	16000	13	10	1550	1280	1890	1490	31900	2040	1.16	9.21
350x250x16.0	18.9	12.6	30000	17700	12.9	9.93	1720	1410	2100	1660	35300	2250	1.16	8.23
400x120x5.0	77	21	9520	1420	13.7	5.3	476	237	612	259	4090	430	1.03	25.9
400x120x6.3	60.5	16	11800	1740	13.6	5.24	590	291	762	320	5040	527	1.02	20.4
400x120x8.0	47	12	14600	2130	13.5	5.17	732	356	952	397	6220	645	1.02	16.2
400x120x10.0	37	9	17800	2550	13.4	5.08	891	425	1170	483	7510	771	1.01	13
400x120x12.5	29	6.6	21600	3010	13.3	4.97	1080	502	1430	583	8980	911	1.01	10.5
400x120x14.2	25.2	5.45	23900	3290	13.2	4.89	1200	549	1590	646	9890	996	1	9.26
400x120x16.0	22	4.5	26300	3560	13.1	4.82	1320	593	1760	709	10800	1080	0.999	8.33
400x150x5.0	77	27	10700	2320	14.1	6.57	534	309	671	337	6130	547	1.09	25.8
400x150x6.3	60.5	20.8	13300	2850	14	6.51	663	380	836	418	7600	673	1.08	20.5
400x150x8.0	47	15.8	16500	3510	13.9	6.43	824	468	1050	521	9420	828	1.08	16.2
400x150x10.0	37	12	20100	4230	13.8	6.35	1010	564	1290	636	11500	998	1.07	13
400x150x12.5	29	9	24400	5040	13.7	6.24	1220	672	1570	772	13800	1190	1.07	10.5
400x150x14.2	25.2	7.56	27100	5550	13.6	6.16	1360	740	1760	859	15300	1310	1.06	9.22
400x150x16.0	22	6.38	29800	6040	13.5	6.09	1490	805	1950	947	16800	1430	1.06	8.28
400x200x8.0	47	22	19600	6660	14.5	8.47	978	666	1200	743	15700	1140	1.18	16.2
400x200x10.0	37	17	23900	8080	14.4	8.39	1200	808	1480	911	19300	1380	1.17	13
400x200x12.5	29	13	29100	9740	14.3	8.28	1450	974	1810	1110	23400	1660	1.17	10.4
400x200x14.2	25.2	11.1	32400	10800	14.2	8.21	1620	1080	2030	1240	26100	1830	1.16	9.21
400x200x16.0	22	9.5	35700	11800	14.1	8.13	1790	1180	2260	1370	28900	2010	1.16	8.23
400x300x8.0	47	34.5	25700	16500	15.4	12.3	1290	1100	1520	1250	31000	1750	1.38	16.2
400x300x10.0	37	27	31500	20200	15.3	12.2	1580	1350	1870	1540	38200	2140	1.37	12.9
400x300x12.5	29	21	38500	24600	15.2	12.1	1920	1640	2300	1880	46800	2590	1.37	10.5
400x300x14.2	25.2	18.1	43000	27400	15.1	12.1	2150	1830	2580	2110	52500	2890	1.36	9.19
400x300x16.0	22	15.8	47500	30300	15	12	2380	2020	2870	2350	58300	3180	1.36	8.19
450x250x8.0	53.3	28.3	30100	12100	16.6	10.6	1340	971	1620	1080	27100	1630	1.38	16.2
450x250x10.0	42	22	36900	14800	16.5	10.5	1640	1190	2000	1330	33300	1990	1.37	12.9
450x250x12.5	33	17	45000	18000	16.4	10.4	2000	1440	2460	1630	40700	2410	1.37	10.5
450x250x14.2	28.7	14.6	50300	20000	16.3	10.3	2240	1600	2760	1830	45600	2680	1.36	9.19
450x250x16.0	25.1	12.6	55700	22000	16.2	10.2	2480	1760	3070	2030	50500	2950	1.36	8.19
500x200x8.0	59.5	22	34000	8140	17.7	8.65	1360	814	1710	896	21100	1430	1.38	16.2
500x200x10.0	47	17	41800	9890	17.6	8.56	1670	989	2110	1100	25900	1740	1.37	12.9
500x200x12.5	37	13	51000	11900	17.5	8.45	2040	1190	2590	1350	31500	2100	1.37	10.5
500x200x14.2	32.2	11.1	56900	13200	17.4	8.38	2280	1320	2900	1510	35200	2320	1.36	9.19
500x200x16.0	28.3	9.5	63000	14500	17.3	8.3	2520	1450	3230	1670	38900	2550	1.36	8.19
500x300x8.0	59.5	34.5	43700	20000	18.7	12.6	1750	1330	2100	1480	42600	2200	1.58	16.1
500x300x10.0	47	27	53800	24400	18.6	12.6	2150	1630	2600	1830	52500	2700	1.57	12.9
500x300x12.5	37	21	65800	29800	18.5	12.5	2630	1990	3200	2240	64400	3280	1.57	10.4
500x300x14.2	32.2	18.1	73700	33200	18.4	12.4	2950	2220	3590	2520	72200	3660	1.56	9.18
500x300x16.0	28.3	15.8	81800	36800	18.3	12.3	3270	2450	4010	2800	80300	4040	1.56	8.17
500x300x20.0	22	12	98800	44100	18.2	12.1	3950	2940	4890	3410	97400	4840	1.55	6.58

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