Square Tubes

Size (mm)	Thickness (mm)	kg/metre	Surface Finish
Size (mm)	Thickness (mm)	kg/metre	Paint	Gal
13 x 13	1.8	0.568
15 x 15	1.8	0.681
20 x 20	1.6	0.873
	2	1.05
25 x 25	1.6	1.12
	2	1.36
	2.5	1.64
	3	1.89
30 x 30	1.6	1.38
	2	1.68
	2.5	2.03
	3	2.36
35 x 35	1.6	1.63
	2	1.99
	2.5	2.42
	3	2.83
40 x 40	1.6	1.88
	2	2.31
	2.5	2.82
	3	3.3
	4	4.09
50 x 50	1.6	2.38
	2	2.93
	2.5	3.6
	3	4.25
	4	5.35
	5	6.39
	6	7.32
65 x 65	1.6	3.13
	2	3.88
	2.5	4.78
	3	5.66
	4	7.23
	5	8.75
	6	10.1
75 x 75	2	4.5
	2.5	5.56
	3	6.6
	3.5	7.53
	4	8.49
	5	10.3
	6	12
89 x 89	2	5.38
	3.5	9.07
	5	12.5
	6	14.7
100 x 100	2.5	7.53
	3	8.96
	4	11.6
	5	14.2
	6	16.7
	8	21.4
	9	23.5
	10	25.6
125 x 125	4	14.8
	5	18.2
	6	21.4
	8	27.7
	9	30.6
	10	33.4
150 x 150	5	22.1
	6	26.2
	8	33.9
	9	37.7
	10	41.3
200 x 200	5	29.9
	6	35.6
	8	46.5
	9	51.8
	10	57
	12.5	69.4
	16	85.5
250 x 250	6	45
	8	59.1
	9	65.9
	10	72.7
	12.5	89
	16	111
300 x 300	8	84.2
	10	104
	12.5	128
	16	161