CHS – Circular Hollow

EN 10210 · 33 sections

Free Reference Data

Circular hollow sections (CHS) are tubular structural sections per EN 10210. Their circular profile provides equal properties in all directions, making them ideal for offshore structures, trusses, space frames, and architecturally exposed columns.

Designation	OD (mm)	t (mm)	A (cm²)	G (kg/m)	I (cm⁴)	W (cm³)	i (cm)
CHS 21.3×2	21.3	2	1.19	0.93	0.39	0.36	0.57
CHS 26.9×2	26.9	2	1.57	1.23	0.86	0.64	0.74
CHS 33.7×2.6	33.7	2.6	2.54	1.99	2.18	1.29	0.93
CHS 42.4×2.6	42.4	2.6	3.27	2.57	4.47	2.11	1.17
CHS 48.3×3	48.3	3	4.27	3.35	8.31	3.44	1.4
CHS 60.3×3	60.3	3	5.4	4.24	16.64	5.52	1.75
CHS 60.3×4	60.3	4	7.07	5.55	21.15	7.01	1.73
CHS 76.1×3	76.1	3	6.9	5.41	34.4	9.04	2.23
CHS 76.1×4	76.1	4	9.06	7.11	43.9	11.5	2.2
CHS 88.9×3	88.9	3	8.1	6.36	55.9	12.6	2.63
CHS 88.9×4	88.9	4	10.7	8.38	72.3	16.3	2.6
CHS 114.3×3.6	114.3	3.6	12.6	9.87	163	28.5	3.6
CHS 114.3×5	114.3	5	17.2	13.5	218	38.1	3.56
CHS 139.7×4	139.7	4	17.1	13.4	383	54.9	4.73
CHS 139.7×5	139.7	5	21.3	16.7	473	67.7	4.71
CHS 168.3×5	168.3	5	25.8	20.3	837	99.5	5.7
CHS 168.3×6	168.3	6	30.9	24.3	991	118	5.66
CHS 193.7×5	193.7	5	29.9	23.5	1287	133	6.56
CHS 193.7×6.3	193.7	6.3	37.5	29.5	1600	165	6.53
CHS 219.1×6	219.1	6	40.3	31.7	2310	211	7.57
CHS 219.1×8	219.1	8	53.3	41.8	3022	276	7.53
CHS 244.5×6	244.5	6	45.1	35.4	3236	265	8.47
CHS 244.5×8	244.5	8	59.7	46.9	4241	347	8.43
CHS 273×6	273	6	50.5	39.7	4515	331	9.45
CHS 273×8	273	8	66.9	52.5	5926	434	9.41
CHS 323.9×8	323.9	8	79.7	62.6	9985	617	11.2
CHS 323.9×10	323.9	10	99.2	77.9	12330	762	11.2
CHS 355.6×8	355.6	8	87.7	68.8	13320	749	12.3
CHS 355.6×10	355.6	10	109	85.7	16490	928	12.3
CHS 406.4×10	406.4	10	125	98.2	24680	1215	14.1
CHS 457×10	457	10	141	111	35380	1549	15.8
CHS 508×10	508	10	157	123	48740	1919	17.6
CHS 508×12	508	12	188	148	57950	2282	17.6