AS/NZS Square Hollow Sections (SHS): Sizes & Weights

Cold-formed square hollow sections to AS/NZS 1163. 85 sizes from the AS/NZS catalog, in kg/m with lb/ft alongside. Deeper reading: AS/NZS Steel Sections Guide.

20x20SHS series

Designation	kg/m	lb/ft	Area (cm²)
20x20x1.6SHS	0.87	0.58	1.1
20x20x2.0SHS	1.05	0.71	1.3

25x25SHS series

Designation	kg/m	lb/ft	Area (cm²)
25x25x1.6SHS	1.12	0.75	1.4
25x25x2.0SHS	1.36	0.91	1.7
25x25x2.5SHS	1.64	1.1	2.1
25x25x3.0SHS	1.89	1.27	2.4

30x30SHS series

Designation	kg/m	lb/ft	Area (cm²)
30x30x1.6SHS	1.38	0.93	1.8
30x30x2.0SHS	1.67	1.12	2.1
30x30x2.5SHS	2.03	1.36	2.6
30x30x3.0SHS	2.36	1.59	3

35x35SHS series

Designation	kg/m	lb/ft	Area (cm²)
35x35x1.6SHS	1.63	1.1	2.1
35x35x2.0SHS	1.99	1.34	2.5
35x35x2.5SHS	2.42	1.63	3.1
35x35x3.0SHS	2.83	1.9	3.6

40x40SHS series

Designation	kg/m	lb/ft	Area (cm²)
40x40x1.6SHS	1.88	1.26	2.4
40x40x2.0SHS	2.31	1.55	2.9
40x40x2.5SHS	2.82	1.89	3.6
40x40x3.0SHS	3.3	2.22	4.2
40x40x4.0SHS	4.09	2.75	5.2

50x50SHS series

Designation	kg/m	lb/ft	Area (cm²)
50x50x1.6SHS	2.38	1.6	3
50x50x2.0SHS	2.93	1.97	3.7
50x50x2.5SHS	3.6	2.42	4.6
50x50x3.0SHS	4.25	2.86	5.4
50x50x4.0SHS	5.35	3.6	6.8
50x50x5.0SHS	6.39	4.29	8.1
50x50x6.0SHS	7.32	4.92	9.3

65x65SHS series

Designation	kg/m	lb/ft	Area (cm²)
65x65x1.6SHS	3.13	2.1	4
65x65x2.0SHS	3.88	2.61	4.9
65x65x2.5SHS	4.78	3.21	6.1
65x65x3.0SHS	5.66	3.8	7.2
65x65x4.0SHS	7.28	4.89	9.3
65x65x5.0SHS	8.75	5.88	11.1
65x65x6.0SHS	10.1	6.79	12.9

75x75SHS series

Designation	kg/m	lb/ft	Area (cm²)
75x75x2.0SHS	4.5	3.02	5.7
75x75x2.5SHS	5.56	3.74	7.1
75x75x3.0SHS	6.6	4.44	8.4
75x75x3.5SHS	7.53	5.06	9.6
75x75x4.0SHS	8.49	5.71	10.8
75x75x5.0SHS	10.3	6.92	13.1
75x75x6.0SHS	12	8.06	15.3

89x89SHS series

Designation	kg/m	lb/ft	Area (cm²)
89x89x2.0SHS	5.38	3.62	6.9
89x89x3.5SHS	9.07	6.09	11.6
89x89x5.0SHS	12.5	8.4	15.9
89x89x6.0SHS	14.7	9.88	18.7

100x100SHS series

Designation	kg/m	lb/ft	Area (cm²)
100x100x2.0SHS	6.07	4.08	7.7
100x100x2.5SHS	7.53	5.06	9.6
100x100x3.0SHS	8.96	6.02	11.4
100x100x4.0SHS	11.6	7.79	14.8
100x100x5.0SHS	14.2	9.54	18.1
100x100x6.0SHS	16.7	11.22	21.3
100x100x8.0SHS	21.4	14.38	27.3
100x100x9.0SHS	23.5	15.79	29.9
100x100x10.0SHS	25.6	17.2	32.6

125x125SHS series

Designation	kg/m	lb/ft	Area (cm²)
125x125x4.0SHS	14.8	9.95	18.9
125x125x5.0SHS	18.2	12.23	23.2
125x125x6.0SHS	21.4	14.38	27.3
125x125x8.0SHS	27.7	18.61	35.3
125x125x9.0SHS	30.6	20.56	39
125x125x10.0SHS	33.4	22.44	42.5

150x150SHS series

Designation	kg/m	lb/ft	Area (cm²)
150x150x5.0SHS	22.1	14.85	28.2
150x150x6.0SHS	26.2	17.61	33.4
150x150x8.0SHS	33.9	22.78	43.2
150x150x9.0SHS	37.7	25.33	48
150x150x10.0SHS	41.3	27.75	52.6

200x200SHS series

Designation	kg/m	lb/ft	Area (cm²)
200x200x5.0SHS	29.9	20.09	38.1
200x200x6.0SHS	35.6	23.92	45.4
200x200x8.0SHS	46.5	31.25	59.2
200x200x9.0SHS	51.8	34.81	66
200x200x10.0SHS	57	38.3	72.6

250x250SHS series

Designation	kg/m	lb/ft	Area (cm²)
250x250x6.0SHS	45	30.24	57.3
250x250x8.0SHS	59.1	39.71	75.3
250x250x9.0SHS	65.9	44.28	83.9
250x250x10.0SHS	72.7	48.85	92.6
250x250x12.5SHS	89	59.81	113.4
250x250x16.0SHS	111	74.59	141.4

300x300SHS series

Designation	kg/m	lb/ft	Area (cm²)
300x300x8.0SHS	71.6	48.11	91.2
300x300x10.0SHS	88.4	59.4	112.6
300x300x12.5SHS	109	73.24	138.9
300x300x16.0SHS	136	91.39	173.2

350x350SHS series

Designation	kg/m	lb/ft	Area (cm²)
350x350x10.0SHS	104	69.88	132.5
350x350x12.5SHS	128	86.01	163.1
350x350x16.0SHS	161	108.19	205.1

400x400SHS series

Designation	kg/m	lb/ft	Area (cm²)
400x400x10.0SHS	120	80.64	152.9
400x400x12.5SHS	148	99.45	188.5
400x400x16.0SHS	186	124.99	236.9

Areas marked as computed on the individual size pages are derived from the tabulated weight and steel density rather than read from the section table.

Need counts, not just sizes?

Upload a drawing set and SteelFlo puts a box on every steel label it finds — every square hollow section on every page — ready to review and export as a bill of materials.

Start a free takeoff All steel shapes

3 free takeoffsNo credit card requiredAISC + 5 international standards