SQUARE HSS STEEL TUBE SIZES CHART

Square HSS sizes, dimensions and section properties chart for steel tubing.

Square HSS Sizes and Section Properties Chart
Shape	t	Wt.	A	b/t	h/t	I	0	r	Z	Work- able flat	J	C	A_surf
Shape	in	lb/ft	in²	b/t	h/t	in⁴	in³	in	in³	in	in⁴	in³	ft²/ft
HSS16x16x5/8	0.581	127.00	35.0	24.5	24.5	1370	171	6.25	200	13 3/16	2170	276	5.17
16x16x1/2	0.465	103.00	28.3	31.4	31.4	1130	141	6.31	164	13 3/4	1770	224	5.20
16x16x3/8	0.349	78.45	21.5	42.8	42.8	873	109	6.37	126	14 5/16	1350	171	5.23
16x16x5/16	0.291	65.82	18.1	52.0	52.0	739	92.3	6.39	106	14 5/8	1140	144	5.25

HSS14x14x5/8	0.581	110.00	30.3	21.1	21.1	897	128	5.44	151	11 3/16	1430	208	4.50
14x14x1/2	0.465	89.55	24.6	27.1	27.1	743	106	5.49	124	11 3/4	1170	170	4.53
14x14x3/8	0.349	68.24	18.7	37.1	37.1	577	82.5	5.55	95.4	12 5/16	900	130	4.57
14x14x5/16	0.291	57.31	15.7	45.1	45.1	490	69.9	5.58	80.5	12 5/8	759	109	4.58

HSS12x12x5/8	0.581	93.14	25.7	17.7	17.7	548	91.4	4.62	109	9 3/16	885	151	3.83
12x12x1/2	0.465	75.94	20.9	22.8	22.8	457	76.2	4.68	89.6	9 3/4	728	123	3.87
12x12x3/8	0.349	58.03	16.0	31.4	31.4	357	59.5	4.73	69.2	10 5/16	561	94.6	3.90
12x12x5/16	0.291	48.81	13.4	38.2	38.2	304	50.7	4.76	58.6	10 5/8	474	79.7	3.92
12x12x1/4	0.233	39.40	10.8	48.5	48.5	248	41.4	4.79	47.6	10 7/8	384	64.5	3.93
12x12x3/16	0.174	29.82	8.15	66.0	66.0	189	31.5	4.82	36.0	11 3/16	290	48.6	3.95
Shape	t	Wt.	A	b/t	h/t	I	S	r	Z	Work- able flat	J	C	A_surf
Shape	in	lb/ft	in²	b/t	h/t	in⁴	in³	in	in³	in	in⁴	in³	ft²/ft
HSS10x10x5/8	0.581	76.13	21.0	14.2	14.2	304	60.8	3.80	73.2	7 3/16	498	102	3.17
10x10x1/2	0.465	62.33	17.2	18.5	18.5	256	51.2	3.86	60.7	7 3/4	412	84.2	3.20
10x10x3/8	0.349	47.82	13.2	25.7	25.7	202	40.4	3.92	47.2	8 5/16	320	64.8	3.23
10x10x5/16	0.291	40.30	11.1	31.4	31.4	172	34.5	3.94	40.1	8 5/8	271	54.8	3.25
10x10x1/4	0.233	32.60	8.96	39.9	39.9	141	28.3	3.97	32.7	8 7/8	220	44.4	3.27
10x10x3/16	0.174	24.72	6.76	54.5	54.5	108	21.6	4.00	24.8	9 3/16	167	33.6	3.28

HSS9x9x5/8	0.581	67.62	18.7	12.5	12.5	216	47.9	3.40	58.1	6 3/16	356	81.6	2.83
9x9x1/2	0.465	55.53	15.3	16.4	16.4	183	40.6	3.45	48.4	6 3/4	296	67.4	2.87
9x9x3/8	0.349	42.72	11.8	22.8	22.8	145	32.2	3.51	37.8	7 5/16	231	52.1	2.90
9x9x5/16	0.291	36.05	9.92	27.9	27.9	124	27.6	3.54	32.1	7 5/8	196	44.0	2.92
9x9x1/4	0.233	29.19	8.03	35.6	35.6	102	22.7	3.56	26.2	7 7/8	159	35.8	2.93
9x9x3/16	0.174	22.16	6.06	48.7	48.7	78.2	17.4	3.59	20.0	8 3/16	121	27.1	2.95
9x9x1/8	0.116	14.95	4.09	74.6	74.6	53.5	11.9	3.62	13.6	8 7/16	82.0	18.3	2.97

HSS8x8x5/8	0.581	59.11	16.4	10.8	10.8	146	36.5	2.99	44.7	5 3/16	244	63.2	2.50
8x8x1/2	0.465	48.72	13.5	14.2	14.2	125	31.2	3.04	37.5	5 3/4	204	52.4	2.53
8x8x3/8	0.349	37.61	10.4	19.9	19.9	100	24.9	3.10	29.4	6 5/16	160	40.7	2.57
8x8x5/16	0.291	31.79	8.76	24.5	24.5	85.6	21.4	3.13	25.1	6 5/8	136	34.5	2.58
8x8x1/4	0.233	25.79	7.10	31.3	31.3	70.7	17.7	3.15	20.5	6 7/8	111	28.1	2.60
8x8x3/16	0.174	19.61	5.37	43.0	43.0	54.4	13.6	3.18	15.7	7 3/16	84.5	21.3	2.62
8x8x1/8	0.116	13.25	3.62	66.0	66.0	37.4	9.34	3.21	10.7	7 7/16	57.3	14.4	2.63
Shape	t	Wt.	A	b/t	h/t	I	S	r	Z	Work- able flat	J	C	A_surf
Shape	in	lb/ft	in²	b/t	h/t	in⁴	in³	in	in³	in	in⁴	in³	ft²/ft
HSS7x7x5/8	0.581	50.60	14.0	9.05	9.05	93.4	26.7	2.58	33.1	4 3/16	158	47.1	2.17
7x7x1/2	0.465	41.91	11.6	12.1	12.1	80.5	23.0	2.63	27.9	4 3/4	133	39.3	2.20
7x7x3/8	0.349	32.51	8.97	17.1	17.1	65.0	18.6	2.69	22.1	5 5/16	105	30.7	2.23
7x7x5/16	0.291	27.54	7.59	21.1	21.1	56.1	16.0	2.72	18.9	5 5/8	89.7	26.1	2.25
7x7x1/4	0.233	22.39	6.17	27.0	27.0	46.5	13.3	2.75	15.5	5 7/8	73.5	21.3	2.27
7x7x3/16	0.174	17.06	4.67	37.2	37.2	36.0	10.3	2.77	11.9	6 3/16	56.1	16.2	2.28
7x7x1/8	0.116	11.55	3.16	57.3	57.3	24.8	7.09	2.80	8.13	6 7/16	38.2	11.0	2.30

HSS6x6x5/8	0.581	42.10	11.7	7.33	7.33	55.2	18.4	2.17	23.2	3 3/16	94.9	33.4	1.83
6x6x1/2	0.465	35.11	9.74	9.90	9.90	48.3	16.1	2.23	19.8	3 3/4	81.1	28.1	1.87
6x6x3/8	0.349	27.41	7.58	14.2	14.2	39.5	13.2	2.28	15.8	4 5/16	64.6	22.1	1.90
6x6x5/16	0.291	23.29	6.43	17.6	17.6	34.3	11.4	2.31	13.6	4 5/8	55.4	18.9	1.92
6x6x1/4	0.233	18.99	5.24	22.8	22.8	28.6	9.54	2.34	11.2	4 7/8	45.6	15.4	1.93
6x6x3/6	0.174	14.51	3.98	31.5	31.5	22.3	7.42	2.37	8.63	5 3/16	35.0	11.8	1.95
6x6x1/8	0.116	9.85	2.70	48.7	48.7	15.5	5.15	2.39	5.92	5 7/16	23.9	8.03	1.97

HSS 5 1/2x5 1/2x3/8	0.349	24.85	6.88	12.8	12.8	29.7	10.8	2.08	13.1	3 13/16	49.0	18.4	1.73
5 1/2x5 1/2x5/16	0.291	21.16	5.85	15.9	15.9	25.9	9.43	2.11	11.3	4 1/8	42.2	15.7	1.75
5 1/2x5 1/2x1/4	0.233	17.28	4.77	20.6	20.6	21.7	7.90	2.13	9.32	4 3/8	34.8	12.9	1.77
5 1/2x5 1/2x3/16	0.174	13.23	3.63	28.6	28.6	17.0	6.17	2.16	7.19	4 11/16	26.7	9.85	1.78
5 1/2x5 1/2x1/8	0.116	9.00	2.46	44.4	44.4	11.8	4..30	2.19	4.95	4 15/16	18.3	6.72	1.80
Shape	t	Wt.	A	b/t	h/t	I	S	r	Z	Work- able flat	J	C	A_surf
Shape	in	lb/ft	in²	b/t	h/t	in⁴	in³	in	in³	in	in⁴	in³	ft²/ft
HSS5x5x1/2	0.465	28.30	7.88	7.75	7.75	26.0	10.4	1.82	13.1	2 3/4	44.6	18.7	1.53
5x5x3/8	0.349	22.30	6.18	11.3	11.3	21.7	8.68	1.87	10.6	3 5/16	36.1	14.9	1.57
5x5x5/16	0.291	19.03	5.26	14.2	14.2	19.0	7.62	1.90	9.16	3 5/8	31.2	12.8	1.58
5x5x1/4	0.233	15.58	4.30	18.5	18.5	16.0	6.41	1.93	7.61	3 7/8	25.8	10.5	1.60
5x5x3/16	0.174	11.96	3.28	25.7	25.7	12.6	5.03	1.96	5.89	4 3/16	19.9	8.08	1.62
5x5x1/8	0.116	8.15	2.23	40.1	40.1	8.80	3.52	1.99	4.07	4 7/16	13.7	5.53	1.63

HSS 4 1/2x4 1/2x1/2	0.465	24.90	6.95	6.68	6.68	18.1	8.03	1.61	10.2	2 1/4	31.3	14.8	1.37
4 1/2x4 1/2x3/8	0.349	19.75	5.48	9.89	9.89	15.3	6.79	1.67	8.36	2 13/16	25.7	11.9	1.40
4 1/2x4 1/2x5/16	0.291	16.91	4.68	12.5	12.5	13.5	6.00	1.70	7.27	3 1/8	22.3	10.2	1.42
4 1/2x4 1/2x1/4	0.233	13.88	3.84	16.3	16.3	11.4	5.08	1.73	6.06	3 3/8	18.5	8.44	1.43
4 1/2x4 1/2x3/16	0.174	10.68	2.93	22.9	22.9	9.02	4.01	1.75	4.71	3 11/16	14.4	6.49	1.45
4 1/2x4 1/2x1/8	0.116	7.30	2.00	35.8	35.8	6.35	2.82	1.78	3.27	3 15/16	9.92	4.45	1.47

HSS4x4x1/2	0.465	21.50	6.02	5.60	5.60	11.9	5.97	1.41	7.70	-	21.0	11.2	1.20
4x4x3/8	0.349	17.20	4.78	8.46	8.46	10.3	5.13	1.47	6.39	2 5/16	17.5	9.14	1.23
4x4x5/16	0.291	14.78	4.10	10.7	10.7	9.14	4.57	1.49	5.59	2 5/8	15.3	7.91	1.25
4x4x1/4	0.233	12.18	3.37	14.2	14.2	7.80	3.90	1.52	4.69	2 7/8	12.8	6.56	1.27
4x4x3/16	0.174	9.40	2.58	20.0	20.0	6.21	3.10	1.55	3.67	3 3/16	10.0	5.07	1.28
4x4x1/8	0.116	6.45	1.77	31.5	31.5	4.40	2.20	1.58	2.56	3 7/16	6.91	3.49	1.30
Shape	t	Wt.	A	b/t	h/t	I	S	r	Z	Work- able flat	J	C	A_surf
Shape	in	lb/ft	in²	b/t	h/t	in⁴	in³	in	in³	in	in⁴	in³	ft²/ft
HSS 3 1/2 x 3 1/2 x3/8	0.349	14.65	4.09	7.03	7.03	6.49	3.71	1.26	4.69	-	11.2	6.77	1.07
3 1/2 x 3 1/2 x5/16	0.291	12.65	3.52	9.03	9.03	5.84	3.34	1.29	4.14	2 1/8	9.89	5.90	1.08
3 1/2 x 3 1/2 x1/4	0.233	10.48	2.91	12.0	12.0	5.04	2.88	1.32	3.50	2 3/8	8.35	4.92	1.10
3 1/2 x 3 1/2 x3/16	0.174	8.13	2.24	17.1	17.1	4.05	2.31	1.35	2.76	2 11/16	6.56	3.83	1.12
3 1/2 x 3 1/2 x1/8	0.116	5.60	1.54	27.2	27.2	2.90	1.66	1.37	1.93	2 15/16	4.58	2.65	1.13

HSS3x3x3/8	0.349	12.09	3.39	5.60	5.60	3.78	2.52	1.06	3.25	-	6.64	4.74	0.900
3x3x5/16	0.291	10.53	2.94	7.31	7.31	3.45	2.30	1.08	2.90	-	5.94	4.18	0.917
3x3x1/4	0.233	8.78	2.44	9.88	9.88	3.02	2.01	1.11	2.48	-	5.08	3.52	0.933
3x3x3/16	0.174	6.85	1.89	14.2	14.2	2.46	1.64	1.14	1.97	2 3/16	4.03	2.76	0.950
3x3x1/8	0.116	4.75	1.30	22.9	22.9	1.78	1.19	1.17	1.40	2 7/16	2.84	1.92	0.967

HSS 2 1/2 x 2 1/2 x 5/16	0.291	8.40	2.35	5.59	5.59	1.82	1.46	0.880	1.88	-	3.20	2.74	0.750
HSS 2 1/2 x 2 1/2 x 1/4	0.233	7.08	1.97	7.73	7.73	1.63	1.30	0.908	1.63	-	2.79	2.35	0.767
HSS 2 1/2 x 2 1/2 x 3/16	0.174	5.57	1.54	11.4	11.4	1.35	1.08	0.937	1.32	-	2.25	1.86	0.784
HSS 2 1/2 x 2 1/2 x 1/8	0.116	3.90	1.07	18.6	18.6	0.998	0.799	0.965	0.947	-	1.61	1.31	0.800
Shape	t	Wt.	A	b/t	h/t	I	S	r	Z	Work- able flat	J	C	A_surf
Shape	in	lb/ft	in²	b/t	h/t	in⁴	in³	in	in³	in	in⁴	in³	ft²/ft
HSS 2 1/4 x 2 1/4 x 1/4	0.233	6.23	1.74	6.66	6.66	1.13	1.01	0.806	1.28	-	1.96	1.85	0.683
HSS 2 1/4 x 2 1/4 x 3/16	0.174	4.94	1.37	9.93	9.93	0.953	0.847	0.835	1.04	-	1.60	1.48	0.700
HSS 2 1/4 x 2 1/4 x 1/8	0.116	3.47	0.956	16.4	16.4	0.712	0.633	0.863	0.755	-	1.15	1.05	0.717

HSS2x2x1/4	0.233	5.38	1.51	5.58	5.58	0.747	0.747	0.704	0.964		1.31	1.41	0.600
HSS2x2x3/16	0.174	4.30	1.19	8.49	8.49	0.641	0.641	0.733	0.797		1.09	1.14	0.617
HSS2x2x1/8	0.116	3.04	0.840	14.2	14.2	0.486	0.486	0.761	0.584		0.796	0.817	0.633

Symbols: t= Design wall thickness, Wt. = Nominal weight, A = Cross-sectional area, b = width, h = depth, I = Second moment of area, S= Elastic section modulus, r = radius of gyration, Z = plastic section modulus, J = Polar moment of area, C = Torsional constant for HSS shapes, A_{surf =}The total surface area of a square HSS section per feet

Supplements:

Reference:

American Institute of Steel Construction, Manual of Steel Construction, 13th Edition. Chicago: AISC, 2005.