Circular Hollow Section – CHS - Karmko For Trading & Construction & Supplies Co

		Square	Recta- ngular					Thickness	/ mm
Dia/Inch	Dia/mm			0.8	1	1.2	1.4	1.5	1.6	1.8	2	2.2
	16			1.81	2.23	2.65	3.05
	19			2.17	2.68	3.18	3.67	3.91	4.15	4.61
1/2	21.3			2.44	3.02	3.59	4.15	4.43	4.70	5.23	5.75
1/2	22			2.53	3.13	3.72	4.30	4.58	4.86	5.42	5.96
	27			3.12	3.87	4.61	5.34	5.70	6.06	6.76	7.45
3/4	25	20 x 20		2.88	3.58	4.26	4.92	5.25	5.58	6.22	6.85	7.47
1	32	25 x 25	20 x 30			5.50	6.38	6.81	7.25	8.10	8.94	9.77
	34					5.86	6.80	7.26	7.72	8.64	9.54	10.42
	38	30 x 30	20 x 40			5.59	6.46	6.76	7.03	7.74	8.50	9.14
1.1/4	40					6.94	8.05	8.60	9.15	10.25	11.32	12.39
	42					7.30	8.47	9.05	9.63	10.78	11.92	13.05
1.1/2	48	38 x 38	28 x 48			8.37	9.72	10.39	11.06	12.39	13.71	15.01
	50	40 x 40	30 x 50			8.72	10.13	10.84	11.54	12.93	14.30	15.67
2	60	48 x 48	38 x 58			10.51	12.22	13.07	13.92	15.61	17.28	18.95
	63	50 x 50	40 x 50			11.05	12.85	13.75	14.64	16.41	18.18	19.93
	70		40 x 40			12.30	14.31	15.31	16.31	18.29	20.26	22.22
2.5	76	60 x 60	40 x 80			13.37	15.56	16.65	17.74	19.90	22.05	24.19
3	88.9	70 x 70	40 x 10					19.53	20.81	23.36	25.90	28.42
4	101	80 x 80						22.24	23.70	26.61	29.50	32.39
5	127	10 x 10						28.05	29.90	33.56	37.25	40.91
5.5	140							30.95	32.99	37.07	41.12	45.17
6	161							35.65	38.00	42.70	47.38	52.05
6	168							37.21	39.67	44.57	49.47	54.35
8	218							48.39	51.59	57.98	64.37	70.74