Circular Hollow Sections (Cold-formed) (CHS) - Section Properties Table

Dimensions and section properties for all 106 Circular Hollow Sections (Cold-formed) (CHS) to BS EN 10219 (SCI P363 Blue Book): diameter, wall thickness, mass and section properties for cold-formed 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 Cold-formed 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
CF CHS 33.7×3	2.27	3	3.44	1.09	2.04	2.84	6.88	4.08	2.89	0.106	46.6
CF CHS 42.4×3	2.91	3	7.25	1.4	3.42	4.67	14.5	6.84	3.71	0.133	45.6
CF CHS 48.3×3	3.35	3	11	1.61	4.55	6.17	22	9.11	4.27	0.152	45.3
CF 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
CF CHS 60.3×3^#	4.24	3	22.2	2.03	7.37	9.86	44.4	14.7	5.4	0.189	44.6
CF CHS 60.3×4	5.55	4	28.2	2	9.34	12.7	56.3	18.7	7.07	0.189	34
CF CHS 76.1×3	5.41	3	46.1	2.59	12.1	16	92.2	24.2	6.89	0.239	44.2
CF CHS 76.1×4	7.11	4	59.1	2.55	15.5	20.8	118	31	9.06	0.239	33.7
CF CHS 88.9×3	6.36	3	74.8	3.04	16.8	22.1	150	33.6	8.1	0.279	43.8
CF CHS 88.9×3.5^#	7.37	3.5	85.7	3.02	19.3	25.5	171	38.6	9.39	0.279	37.9
CF CHS 88.9×4	8.38	4	96.3	3	21.7	28.9	193	43.3	10.7	0.279	33.2
CF CHS 88.9×5	10.3	5	116	2.97	26.2	35.2	233	52.4	13.2	0.279	27
CF 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
CF CHS 114.3×3^#	8.23	3	163	3.94	28.4	37.2	325	56.9	10.5	0.359	43.4
CF CHS 114.3×3.5	9.56	3.5	187	3.92	32.7	43	374	65.5	12.2	0.359	37.7
CF CHS 114.3×4^#	10.9	4	211	3.9	36.9	48.7	422	73.9	13.9	0.359	33
CF CHS 114.3×5	13.5	5	257	3.87	45	59.8	514	89.9	17.2	0.359	26.6
CF CHS 114.3×6	16	6	300	3.83	52.5	70.4	600	105	20.4	0.359	22.4
CF CHS 114.3×6.3	16.8	6.3	313	3.82	54.7	73.6	625	109	21.4	0.359	21.4
CF CHS 139.7×3^#	10.1	3	301	4.83	43.1	56.1	602	86.2	12.9	0.439	43.4
CF CHS 139.7×4^#	13.4	4	393	4.8	56.2	73.7	786	112	17.1	0.439	32.8
CF CHS 139.7×5	16.6	5	481	4.77	68.8	90.8	961	138	21.2	0.439	26.4
CF CHS 139.7×6	19.8	6	564	4.73	80.8	107	1130	162	25.2	0.439	22.2
CF CHS 139.7×6.3	20.7	6.3	589	4.72	84.3	112	1180	169	26.4	0.439	21.2
CF CHS 139.7×8	26	8	720	4.66	103	139	1440	206	33.1	0.439	16.9
CF CHS 139.7×10	32	10	862	4.6	123	169	1720	247	40.7	0.439	13.7
CF CHS 168.3×4	16.2	4	697	5.81	82.8	108	1390	166	20.6	0.529	32.6
CF CHS 168.3×4.5^#	18.2	4.5	777	5.79	92.4	121	1550	185	23.2	0.529	29.1
CF CHS 168.3×5	20.1	5	856	5.78	102	133	1710	203	25.7	0.529	26.3
CF CHS 168.3×6	24	6	1010	5.74	120	158	2020	240	30.6	0.529	22
CF CHS 168.3×6.3	25.2	6.3	1050	5.73	125	165	2110	250	32.1	0.529	21
CF CHS 168.3×8	31.6	8	1300	5.67	154	206	2600	308	40.3	0.529	16.7
CF CHS 168.3×10	39	10	1560	5.61	186	251	3130	372	49.7	0.529	13.5
CF CHS 168.3×12.5	48	12.5	1870	5.53	222	304	3740	444	61.2	0.529	11
CF CHS 193.7×4^#	18.7	4	1070	6.71	111	144	2150	222	23.8	0.609	32.5
CF CHS 193.7×4.5^#	21	4.5	1200	6.69	124	161	2400	247	26.7	0.609	29
CF CHS 193.7×5	23.3	5	1320	6.67	136	178	2640	273	29.6	0.609	26.2
CF CHS 193.7×6	27.8	6	1560	6.64	161	211	3120	322	35.4	0.609	21.9
CF CHS 193.7×6.3	29.1	6.3	1630	6.63	168	221	3260	337	37.1	0.609	20.9
CF CHS 193.7×8	36.6	8	2020	6.57	208	276	4030	416	46.7	0.609	16.6
CF CHS 193.7×10	45.3	10	2440	6.5	252	338	4880	504	57.7	0.609	13.5
CF CHS 193.7×12.5	55.9	12.5	2930	6.42	303	411	5870	606	71.2	0.609	10.9
CF CHS 219.1×4.5^#	23.8	4.5	1750	7.59	159	207	3490	319	30.3	0.688	28.9
CF CHS 219.1×5	26.4	5	1930	7.57	176	229	3860	352	33.6	0.688	26.1
CF CHS 219.1×6	31.5	6	2280	7.54	208	273	4560	417	40.2	0.688	21.8
CF CHS 219.1×6.3	33.1	6.3	2390	7.53	218	285	4770	436	42.1	0.688	20.8
CF CHS 219.1×8	41.6	8	2960	7.47	270	357	5920	540	53.1	0.688	16.5
CF CHS 219.1×10	51.6	10	3600	7.4	328	438	7200	657	65.7	0.688	13.3
CF CHS 219.1×12^#	61.3	12	4200	7.33	383	515	8400	767	78.1	0.688	11.2
CF CHS 219.1×12.5	63.7	12.5	4350	7.32	397	534	8690	793	81.1	0.688	10.8
CF CHS 219.1×16	80.1	16	5300	7.2	483	661	10600	967	102	0.688	8.6
CF CHS 244.5×5^#	29.5	5	2700	8.47	221	287	5400	441	37.6	0.768	26
CF CHS 244.5×6	35.3	6	3200	8.43	262	341	6400	523	45	0.768	21.7
CF CHS 244.5×6.3	37	6.3	3350	8.42	274	358	6690	547	47.1	0.768	20.7
CF CHS 244.5×8	46.7	8	4160	8.37	340	448	8320	681	59.4	0.768	16.4
CF CHS 244.5×10	57.8	10	5070	8.3	415	550	10100	830	73.7	0.768	13.3
CF CHS 244.5×12^#	68.8	12	5940	8.23	486	649	11900	972	87.7	0.768	11.1
CF CHS 244.5×12.5	71.5	12.5	6150	8.21	503	673	12300	1010	91.1	0.768	10.8
CF CHS 244.5×16	90.2	16	7530	8.1	616	837	15100	1230	115	0.768	8.52
CF CHS 273×4^#	26.5	4	3060	9.51	224	289	6120	448	33.8	0.858	32.3
CF CHS 273×4.5^#	29.8	4.5	3420	9.49	251	324	6840	501	38	0.858	28.8
CF CHS 273×5^#	33	5	3780	9.48	277	359	7560	554	42.1	0.858	26
CF CHS 273×6	39.5	6	4490	9.44	329	428	8970	657	50.3	0.858	21.7
CF CHS 273×6.3	41.4	6.3	4700	9.43	344	448	9390	688	52.8	0.858	20.7
CF CHS 273×8	52.3	8	5850	9.37	429	562	11700	857	66.6	0.858	16.4
CF CHS 273×10	64.9	10	7150	9.31	524	692	14300	1050	82.6	0.858	13.2
CF CHS 273×12^#	77.2	12	8400	9.24	615	818	16800	1230	98.4	0.858	11.1
CF CHS 273×12.5	80.3	12.5	8700	9.22	637	849	17400	1270	102	0.858	10.7
CF CHS 273×16	101	16	10700	9.1	784	1060	21400	1570	129	0.858	8.46
CF CHS 323.9×5^#	39.3	5	6370	11.3	393	509	12700	787	50.1	1.02	25.9
CF CHS 323.9×6	47	6	7570	11.2	468	606	15100	935	59.9	1.02	21.7
CF CHS 323.9×6.3^#	49.3	6.3	7930	11.2	490	636	15900	979	62.9	1.02	20.7
CF CHS 323.9×8	62.3	8	9910	11.2	612	799	19800	1220	79.4	1.02	16.3
CF CHS 323.9×10	77.4	10	12200	11.1	751	986	24300	1500	98.6	1.02	13.2
CF CHS 323.9×12^#	92.3	12	14300	11	884	1170	28600	1770	118	1.02	11
CF CHS 323.9×12.5	96	12.5	14800	11	917	1210	29700	1830	122	1.02	10.6
CF CHS 323.9×16	121	16	18400	10.9	1140	1520	36800	2270	155	1.02	8.39
CF CHS 355.6×5^#	43.2	5	8460	12.4	476	615	16900	952	55.1	1.12	25.9
CF CHS 355.6×6	51.7	6	10100	12.4	566	733	20100	1130	65.9	1.12	21.6
CF CHS 355.6×6.3^#	54.3	6.3	10500	12.4	593	769	21100	1190	69.1	1.12	20.6
CF CHS 355.6×8	68.6	8	13200	12.3	742	967	26400	1490	87.4	1.12	16.4
CF CHS 355.6×10	85.2	10	16200	12.2	912	1200	32400	1830	109	1.12	13.1
CF CHS 355.6×12^#	102	12	19100	12.2	1080	1420	38300	2150	130	1.12	11
CF CHS 355.6×12.5	106	12.5	19900	12.1	1120	1470	39700	2230	135	1.12	10.6
CF CHS 355.6×16	134	16	24700	12	1390	1850	49300	2770	171	1.12	8.36
CF CHS 406.4×6^#	59.2	6	15100	14.2	745	962	30300	1490	75.5	21.6	-
CF CHS 406.4×6.3^#	62.2	6.3	15800	14.1	780	1010	31700	1560	79.2	20.6	-
CF CHS 406.4×8	78.6	8	19900	14.1	978	1270	39700	1960	100	16.3	-
CF CHS 406.4×10	97.8	10	24500	14	1210	1570	49000	2410	125	13.1	-
CF CHS 406.4×12^#	117	12	28900	14	1420	1870	57900	2850	149	11	-
CF CHS 406.4×12.5	121	12.5	30000	13.9	1480	1940	60100	2960	155	10.5	-
CF CHS 406.4×16	154	16	37400	13.8	1840	2440	74900	3690	196	8.31	-
CF CHS 457×6^#	66.7	6	21600	15.9	946	1220	43200	1890	85	21.6	-
CF CHS 457×6.3^#	70	6.3	22700	15.9	991	1280	45300	1980	89.2	20.6	-
CF CHS 457×8	88.6	8	28400	15.9	1250	1610	56900	2490	113	16.3	-
CF CHS 457×10	110	10	35100	15.8	1540	2000	70200	3070	140	13.1	-
CF CHS 457×12^#	132	12	41600	15.7	1820	2380	83100	3640	168	10.9	-
CF CHS 457×12.5	137	12.5	43100	15.7	1890	2470	86300	3780	175	10.5	-
CF CHS 457×16	174	16	54000	15.6	2360	3110	108000	4720	222	8.28	-
CF CHS 508×6^#	74.3	6	29800	17.7	1170	1510	59600	2350	94.6	21.6	-
CF CHS 508×6.3^#	77.9	6.3	31200	17.7	1230	1590	62500	2460	99.3	20.5	-
CF CHS 508×8^#	98.6	8	39300	17.7	1550	2000	78600	3090	126	16.2	-
CF CHS 508×10	123	10	48500	17.6	1910	2480	97000	3820	156	13	-
CF CHS 508×12^#	147	12	57500	17.5	2270	2950	115000	4530	187	10.9	-
CF CHS 508×12.5	153	12.5	59800	17.5	2350	3070	120000	4710	195	10.5	-
CF CHS 508×16^#	194	16	74900	17.4	2950	3870	150000	5900	247	8.24	-

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

106 sections · source: BS EN 10219-2:2006

Related section types

Square Hollow Sections - Cold-formed (BS EN 10219)

96 sections · BS EN 10219-2:2006

Rectangular Hollow Sections - Cold-formed (BS EN 10219)

136 sections · BS EN 10219-2:2006

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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