Circular Hollow Sections (Hot-finished) (CHS) - Section Properties Table

Dimensions and section properties for all 157 Circular Hollow Sections (Hot-finished) (CHS) to BS EN 10210 (SCI P363 Blue Book): diameter, wall thickness, mass, second moment of area and torsion properties for hot-finished CHS. 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 CHS Hot-finished tool - EC3 capacity checks →📖 Design theory 📐 Worked example

Designation	mass kg/m	t mm	I_y cm⁴	i_y cm	W_el,y cm³	W_pl,y cm³	I_t cm⁴	W_t cm³	A cm²	SA/m m²/m	SA/t m²/t
CHS 21.3×2.6^#	1.2	2.6	0.681	0.668	0.639	0.915	1.36	1.28	1.53	0.067	55.9
CHS 21.3×2.9^#	1.32	2.9	0.727	0.659	0.683	0.99	1.45	1.37	1.68	0.067	50.9
CHS 21.3×3.2	1.43	3.2	0.768	0.65	0.722	1.06	1.54	1.44	1.82	0.067	46.9
CHS 26.9×2.6^#	1.56	2.6	1.48	0.864	1.1	1.54	2.96	2.2	1.98	0.085	54.6
CHS 26.9×2.9^#	1.72	2.9	1.6	0.855	1.19	1.68	3.19	2.38	2.19	0.085	49.6
CHS 26.9×3.2	1.87	3.2	1.7	0.846	1.27	1.81	3.41	2.53	2.38	0.085	45.5
CHS 26.9×3.6^#	2.07	3.6	1.83	0.834	1.36	1.97	3.66	2.72	2.64	0.085	41.1
CHS 33.7×2.6^#	1.99	2.6	3.09	1.1	1.84	2.52	6.19	3.67	2.54	0.106	53.1
CHS 33.7×2.9^#	2.2	2.9	3.36	1.09	1.99	2.76	6.71	3.98	2.81	0.106	48.1
CHS 33.7×3.2	2.41	3.2	3.6	1.08	2.14	2.99	7.21	4.28	3.07	0.106	44
CHS 33.7×3.6^#	2.67	3.6	3.91	1.07	2.32	3.28	7.82	4.64	3.4	0.106	39.6
CHS 33.7×4	2.93	4	4.19	1.06	2.49	3.55	8.38	4.97	3.73	0.106	36.1
CHS 33.7×4.5^#	3.24	4.5	4.5	1.04	2.67	3.87	9.01	5.35	4.13	0.106	32.8
CHS 33.7×5^#	3.54	5	4.78	1.03	2.84	4.16	9.57	5.68	4.51	0.106	30
CHS 42.4×2.6^#	2.55	2.6	6.46	1.41	3.05	4.12	12.9	6.1	3.25	0.133	52.1
CHS 42.4×2.9^#	2.82	2.9	7.06	1.4	3.33	4.53	14.1	6.66	3.6	0.133	47.1
CHS 42.4×3.2	3.09	3.2	7.62	1.39	3.59	4.93	15.2	7.19	3.94	0.133	43
CHS 42.4×3.6^#	3.44	3.6	8.33	1.38	3.93	5.44	16.7	7.86	4.39	0.133	38.6
CHS 42.4×4	3.79	4	8.99	1.36	4.24	5.92	18	8.48	4.83	0.133	35.1
CHS 42.4×4.5^#	4.21	4.5	9.76	1.35	4.6	6.49	19.5	9.2	5.36	0.133	31.7
CHS 42.4×5^#	4.61	5	10.5	1.33	4.93	7.04	20.9	9.86	5.87	0.133	28.9
CHS 48.3×2.6^#	2.93	2.6	9.78	1.62	4.05	5.44	19.6	8.1	3.73	0.152	51.8
CHS 48.3×2.9^#	3.25	2.9	10.7	1.61	4.43	5.99	21.4	8.86	4.14	0.152	46.8
CHS 48.3×3.2	3.56	3.2	11.6	1.6	4.8	6.52	23.2	9.59	4.53	0.152	42.7
CHS 48.3×3.6^#	3.97	3.6	12.7	1.59	5.26	7.21	25.4	10.5	5.06	0.152	38.3
CHS 48.3×4	4.37	4	13.8	1.57	5.7	7.87	27.5	11.4	5.57	0.152	34.8
CHS 48.3×4.5^#	4.86	4.5	15	1.56	6.21	8.66	30	12.4	6.19	0.152	31.3
CHS 48.3×5	5.34	5	16.2	1.54	6.69	9.42	32.3	13.4	6.8	0.152	28.4
CHS 48.3×5.6^#	5.9	5.6	17.4	1.52	7.21	10.3	34.8	14.4	7.51	0.152	25.8
CHS 48.3×6.3	6.53	6.3	18.7	1.5	7.76	11.2	37.5	15.5	8.31	0.152	23.3
CHS 60.3×2.6^#	3.7	2.6	19.7	2.04	6.52	8.66	39.3	13	4.71	0.189	51
CHS 60.3×2.9^#	4.11	2.9	21.6	2.03	7.16	9.56	43.2	14.3	5.23	0.189	46.1
CHS 60.3×3.2	4.51	3.2	23.5	2.02	7.78	10.4	46.9	15.6	5.74	0.189	42
CHS 60.3×3.6^#	5.03	3.6	25.9	2.01	8.58	11.6	51.7	17.2	6.41	0.189	37.6
CHS 60.3×4	5.55	4	28.2	2	9.34	12.7	56.3	18.7	7.07	0.189	34
CHS 60.3×4.5^#	6.19	4.5	30.9	1.98	10.2	14	61.8	20.5	7.89	0.189	30.4
CHS 60.3×5	6.82	5	33.5	1.96	11.1	15.3	67	22.2	8.69	0.189	27.8
CHS 60.3×5.6^#	7.55	5.6	36.4	1.94	12.1	16.8	72.7	24.1	9.62	0.189	24.9
CHS 60.3×6.3	8.39	6.3	39.5	1.92	13.1	18.5	79	26.2	10.7	0.189	22.5
CHS 60.3×8^#	10.3	8	46	1.87	15.3	22.1	92	30.5	13.1	0.189	18.3
CHS 76.1×2.9	5.24	2.9	44.7	2.59	11.8	15.5	89.5	23.5	6.67	0.239	45.6
CHS 76.1×3.2	5.75	3.2	48.8	2.58	12.8	17	97.6	25.6	7.33	0.239	41.6
CHS 76.1×3.6^#	6.44	3.6	54	2.57	14.2	18.9	108	28.4	8.2	0.239	37
CHS 76.1×4	7.11	4	59.1	2.55	15.5	20.8	118	31	9.06	0.239	33.7
CHS 76.1×4.5^#	7.95	4.5	65.1	2.54	17.1	23.1	130	34.2	10.1	0.239	30.1
CHS 76.1×5	8.77	5	70.9	2.52	18.6	25.3	142	37.3	11.2	0.239	27.2
CHS 76.1×5.6^#	9.74	5.6	77.5	2.5	20.4	27.9	155	40.8	12.4	0.239	24.6
CHS 76.1×6.3	10.8	6.3	84.8	2.48	22.3	30.8	170	44.6	13.8	0.239	22
CHS 76.1×8	13.4	8	101	2.42	26.4	37.3	201	52.9	17.1	0.239	17.8
CHS 88.9×2.9^#	6.15	2.9	72.5	3.04	16.3	21.5	145	32.6	7.84	0.279	45.5
CHS 88.9×3.2^#	6.76	3.2	79.2	3.03	17.8	23.5	158	35.6	8.62	0.279	41.3
CHS 88.9×3.6^#	7.57	3.6	87.9	3.02	19.8	26.2	176	39.5	9.65	0.279	36.8
CHS 88.9×4	8.38	4	96.3	3	21.7	28.9	193	43.3	10.7	0.279	33.2
CHS 88.9×4.5^#	9.37	4.5	107	2.99	24	32.1	213	47.9	11.9	0.279	29.9
CHS 88.9×5	10.3	5	116	2.97	26.2	35.2	233	52.4	13.2	0.279	27
CHS 88.9×5.6^#	11.5	5.6	128	2.95	28.7	38.9	255	57.5	14.7	0.279	24.2
CHS 88.9×6.3	12.8	6.3	140	2.93	31.5	43.1	280	63.1	16.3	0.279	21.7
CHS 88.9×8	16	8	168	2.87	37.8	52.5	336	75.6	20.3	0.279	17.5
CHS 88.9×10^#	19.5	10	196	2.81	44.1	62.6	392	88.2	24.8	0.279	14.3
CHS 101.6×3.2^#	7.77	3.2	120	3.48	23.6	31	240	47.2	9.89	0.319	41.2
CHS 101.6×3.6^#	8.7	3.6	133	3.47	26.2	34.6	266	52.5	11.1	0.319	36.7
CHS 101.6×4^#	9.63	4	146	3.45	28.8	38.1	293	57.6	12.3	0.319	33.2
CHS 101.6×4.5^#	10.8	4.5	162	3.44	31.9	42.5	324	63.8	13.7	0.319	29.6
CHS 101.6×5^#	11.9	5	177	3.42	34.9	46.7	355	69.9	15.2	0.319	26.8
CHS 101.6×5.6^#	13.3	5.6	195	3.4	38.4	51.7	390	76.9	16.9	0.319	24.1
CHS 101.6×6.3^#	14.8	6.3	215	3.38	42.3	57.3	430	84.7	18.9	0.319	21.5
CHS 101.6×8^#	18.5	8	260	3.32	51.1	70.3	519	102	23.5	0.319	17.3
CHS 101.6×10^#	22.6	10	305	3.26	60.1	84.2	611	120	28.8	0.319	14.1
CHS 114.3×3.2^#	8.77	3.2	172	3.93	30.2	39.5	345	60.4	11.2	0.359	40.9
CHS 114.3×3.6	9.83	3.6	192	3.92	33.6	44.1	384	67.2	12.5	0.359	36.6
CHS 114.3×4	10.9	4	211	3.9	36.9	48.7	422	73.9	13.9	0.359	33
CHS 114.3×4.5^#	12.2	4.5	234	3.89	41	54.3	469	82	15.5	0.359	29.5
CHS 114.3×5	13.5	5	257	3.87	45	59.8	514	89.9	17.2	0.359	26.6
CHS 114.3×5.6^#	15	5.6	283	3.85	49.6	66.2	566	99.1	19.1	0.359	23.9
CHS 114.3×6.3	16.8	6.3	313	3.82	54.7	73.6	625	109	21.4	0.359	21.4
CHS 114.3×8	21	8	379	3.77	66.4	90.6	759	133	26.7	0.359	17.1
CHS 114.3×10^#	25.7	10	450	3.7	78.7	109	899	157	32.8	0.359	14
CHS 139.7×3.2^#	10.8	3.2	320	4.83	45.8	59.6	640	91.6	13.7	0.439	40.7
CHS 139.7×3.6^#	12.1	3.6	357	4.81	51.1	66.7	713	102	15.4	0.439	36.3
CHS 139.7×4^#	13.4	4	393	4.8	56.2	73.7	786	112	17.1	0.439	32.8
CHS 139.7×4.5^#	15	4.5	437	4.78	62.6	82.3	874	125	19.1	0.439	29.2
CHS 139.7×5	16.6	5	481	4.77	68.8	90.8	961	138	21.2	0.439	26.4
CHS 139.7×5.6^#	18.5	5.6	531	4.75	76.1	101	1060	152	23.6	0.439	23.7
CHS 139.7×6.3	20.7	6.3	589	4.72	84.3	112	1180	169	26.4	0.439	21.2
CHS 139.7×8	26	8	720	4.66	103	139	1440	206	33.1	0.439	16.9
CHS 139.7×10	32	10	862	4.6	123	169	1720	247	40.7	0.439	13.7
CHS 139.7×12.5^#	39.2	12.5	1020	4.52	146	203	2040	292	50	0.439	11.2
CHS 168.3×5	20.1	5	856	5.78	102	133	1710	203	25.7	0.529	26.3
CHS 168.3×5.6^#	22.5	5.6	948	5.76	113	148	1900	225	28.6	0.529	23.5
CHS 168.3×6.3	25.2	6.3	1050	5.73	125	165	2110	250	32.1	0.529	21
CHS 168.3×8	31.6	8	1300	5.67	154	206	2600	308	40.3	0.529	16.7
CHS 168.3×10	39	10	1560	5.61	186	251	3130	372	49.7	0.529	13.5
CHS 168.3×12.5	48	12.5	1870	5.53	222	304	3740	444	61.2	0.529	11
CHS 193.7×5	23.3	5	1320	6.67	136	178	2640	273	29.6	0.609	26.2
CHS 193.7×5.6^#	26	5.6	1470	6.65	151	198	2930	303	33.1	0.609	23.4
CHS 193.7×6.3	29.1	6.3	1630	6.63	168	221	3260	337	37.1	0.609	20.9
CHS 193.7×8	36.6	8	2020	6.57	208	276	4030	416	46.7	0.609	16.6
CHS 193.7×10	45.3	10	2440	6.5	252	338	4880	504	57.7	0.609	13.5
CHS 193.7×12.5	55.9	12.5	2930	6.42	303	411	5870	606	71.2	0.609	10.9
CHS 193.7×16^#	70.1	16	3550	6.31	367	507	7110	734	89.3	0.609	8.71
CHS 219.1×4.5^#	23.8	4.5	1750	7.59	159	207	3490	319	30.3	0.688	28.9
CHS 219.1×5^#	26.4	5	1930	7.57	176	229	3860	352	33.6	0.688	26.1
CHS 219.1×5.6^#	29.5	5.6	2140	7.55	195	255	4280	391	37.6	0.688	23.3
CHS 219.1×6.3	33.1	6.3	2390	7.53	218	285	4770	436	42.1	0.688	20.8
CHS 219.1×8	41.6	8	2960	7.47	270	357	5920	540	53.1	0.688	16.5
CHS 219.1×10	51.6	10	3600	7.4	328	438	7200	657	65.7	0.688	13.3
CHS 219.1×12.5	63.7	12.5	4350	7.32	397	534	8690	793	81.1	0.688	10.8
CHS 219.1×14.2^#	71.8	14.2	4820	7.26	440	597	9640	880	91.4	0.688	9.56
CHS 219.1×16	80.1	16	5300	7.2	483	661	10600	967	102	0.688	8.6
CHS 244.5×5^#	29.5	5	2700	8.47	221	287	5400	441	37.6	0.768	26
CHS 244.5×5.6^#	33	5.6	3000	8.45	245	320	6000	491	42	0.768	23.3
CHS 244.5×6.3^#	37	6.3	3350	8.42	274	358	6690	547	47.1	0.768	20.7
CHS 244.5×8^#	46.7	8	4160	8.37	340	448	8320	681	59.4	0.768	16.4
CHS 244.5×10^#	57.8	10	5070	8.3	415	550	10100	830	73.7	0.768	13.3
CHS 244.5×12.5	71.5	12.5	6150	8.21	503	673	12300	1010	91.1	0.768	10.8
CHS 244.5×14.2^#	80.6	14.2	6840	8.16	559	754	13700	1120	103	0.768	9.52
CHS 244.5×16	90.2	16	7530	8.1	616	837	15100	1230	115	0.768	8.52
CHS 273×5^#	33	5	3780	9.48	277	359	7560	554	42.1	0.858	26
CHS 273×5.6^#	36.9	5.6	4210	9.46	308	400	8410	616	47	0.858	23.3
CHS 273×6.3^#	41.4	6.3	4700	9.43	344	448	9390	688	52.8	0.858	20.7
CHS 273×8^#	52.3	8	5850	9.37	429	562	11700	857	66.6	0.858	16.4
CHS 273×10	64.9	10	7150	9.31	524	692	14300	1050	82.6	0.858	13.2
CHS 273×12.5	80.3	12.5	8700	9.22	637	849	17400	1270	102	0.858	10.7
CHS 273×14.2^#	90.6	14.2	9700	9.16	710	952	19400	1420	115	0.858	9.44
CHS 273×16	101	16	10700	9.1	784	1060	21400	1570	129	0.858	8.46
CHS 323.9×5^#	39.3	5	6370	11.3	393	509	12700	787	50.1	1.02	25.9
CHS 323.9×5.6^#	44	5.6	7090	11.3	438	567	14200	876	56	1.02	23.2
CHS 323.9×6.3^#	49.3	6.3	7930	11.2	490	636	15900	979	62.9	1.02	20.7
CHS 323.9×8^#	62.3	8	9910	11.2	612	799	19800	1220	79.4	1.02	16.3
CHS 323.9×10	77.4	10	12200	11.1	751	986	24300	1500	98.6	1.02	13.2
CHS 323.9×12.5	96	12.5	14800	11	917	1210	29700	1830	122	1.02	10.6
CHS 323.9×14.2^#	108	14.2	16600	11	1030	1360	33200	2050	138	1.02	9.4
CHS 323.9×16	121	16	18400	10.9	1140	1520	36800	2270	155	1.02	8.39
CHS 355.6×6.3^#	54.3	6.3	10500	12.4	593	769	21100	1190	69.1	1.12	20.6
CHS 355.6×8^#	68.6	8	13200	12.3	742	967	26400	1490	87.4	1.12	16.4
CHS 355.6×10^#	85.2	10	16200	12.2	912	1200	32400	1830	109	1.12	13.1
CHS 355.6×12.5^#	106	12.5	19900	12.1	1120	1470	39700	2230	135	1.12	10.6
CHS 355.6×14.2^#	120	14.2	22200	12.1	1250	1660	44500	2500	152	1.12	9.36
CHS 355.6×16	134	16	24700	12	1390	1850	49300	2770	171	1.12	8.36
CHS 406.4×6.3^#	62.2	6.3	15800	14.1	780	1010	31700	1560	79.2	1.28	20.6
CHS 406.4×8^#	78.6	8	19900	14.1	978	1270	39700	1960	100	1.28	16.3
CHS 406.4×10	97.8	10	24500	14	1210	1570	49000	2410	125	1.28	13.1
CHS 406.4×12.5^#	121	12.5	30000	13.9	1480	1940	60100	2960	155	1.28	10.5
CHS 406.4×14.2^#	137	14.2	33700	13.9	1660	2190	67400	3320	175	1.28	9.32
CHS 406.4×16	154	16	37400	13.8	1840	2440	74900	3690	196	1.28	8.31
CHS 457×6.3^#	70	6.3	22700	15.9	991	1280	45300	1980	89.2	1.44	20.6
CHS 457×8^#	88.6	8	28400	15.9	1250	1610	56900	2490	113	1.44	16.3
CHS 457×10	110	10	35100	15.8	1540	2000	70200	3070	140	1.44	13.1
CHS 457×12.5^#	137	12.5	43100	15.7	1890	2470	86300	3780	175	1.44	10.5
CHS 457×14.2^#	155	14.2	48500	15.7	2120	2790	96900	4240	198	1.44	9.29
CHS 457×16	174	16	54000	15.6	2360	3110	108000	4720	222	1.44	8.28
CHS 508×6.3^#	77.9	6.3	31200	17.7	1230	1590	62500	2460	99.3	1.6	20.5
CHS 508×8^#	98.6	8	39300	17.7	1550	2000	78600	3090	126	1.6	16.2
CHS 508×10^#	123	10	48500	17.6	1910	2480	97000	3820	156	1.6	13
CHS 508×12.5	153	12.5	59800	17.5	2350	3070	120000	4710	195	1.6	10.5
CHS 508×14.2^#	173	14.2	67200	17.5	2650	3460	134000	5290	220	1.6	9.25
CHS 508×16	194	16	74900	17.4	2950	3870	150000	5900	247	1.6	8.24

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

157 sections · source: BS EN 10210-2:2006

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Elliptical Hollow Sections - Hot-finished (BS EN 10210)

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Learn more

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

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