We stock a large selection of round tubing in both DOM (Drawn on Mandrel) and ERW (Electric Resistance Weld). Please call with inquiries.

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Square Structural Steel Tubing (Rectangular Below)
Outside Dimensions	Wall Thickness	Weight Per Foot
1/2 x 1/2	0.049	0.3005
	0.065	0.3845
5/8 x 5/8	0.065	0.4950
3/4 x 3/4	0.065	0.6055
	0.083	0.7530
	0.120	1.0280
7/8 x 7/8	0.065	0.7160
1 x 1	0.065	0.8265
	0.072	0.9090
	0.083	1.0350
	0.120	1.4360
1 1/4 x 1 1/4	0.065	1.0470
	0.083	1.3170
	0.120	1.8440
	0.188	2.6100
1 1/2 x 1 1/2	0.035	0.6977
	0.049	0.9670
	0.065	1.2680
	0.083	1.5990
	0.095	1.8150
	0.109	2.0620
	0.120	2.2520
	0.134	2.4890
	0.188	3.3500
	0.250	4.2500
1 3/4 x 1 3/4	0.120	2.6600
2 x 2	0.065	1.7100
	0.083	2.1640
	0.120	3.0600
	0.188	4.3200
	0.250	5.4100
2 1/2 x 2 1/2	0.120	3.8840
	0.188	5.6100
	0.250	7.1100
3 x 3	0.120	4.7000
	0.188	6.8700
	0.250	8.8100
	0.313	10.5800
3 1/2 x 3 1/2	0.125	5.6100
	0.188	8.1500
	0.250	10.5100
	0.313	12.7000
	0.375	14.7100
4 x 4	0.120	6.3300
	0.188	9.4500
	0.250	12.2100
	0.313	14.8300
	0.375	17.2700
	0.500	21.6300
4 1/2 x 4 1/2	0.188	10.7000
	0.250	13.9100
5 x 5	0.188	11.9700
	0.250	15.6200
	0.313	19.0800
	0.375	22.3700
	0.500	28.4300
6 x 6	0.188	14.5600
	0.250	19.0200
	0.313	23.3400
	0.375	27.4800
	0.500	35.2400
7 x 7	0.188	17.1300
	0.250	22.4200
	0.313	27.6300
	0.375	32.5800
	0.500	42.0500
8 x 8	0.188	19.6300
	0.250	25.8200
	0.313	31.8400
	0.375	37.6900
	0.500	48.8500
10 x 10	0.250	32.6300
	0.375	47.9000
	0.500	62.4600
12 x 12	0.250	39.4300
	0.375	58.1000
	0.500	76.0700
Rectangular Structural Steel Tubing
Outside Dimensions	Wall Thickness	Weight Per Foot
1 x 1/2	0.065	0.6055
1 1/4 x 1/2	0.065	0.7160
1 1/2 x 3/4	0.120	1.6400
1 1/2 x 1	0.065	1.0480
	0.120	1.8440
2 x 1	0.065	1.2690
	0.083	1.6000
	0.120	2.2520
2 x 1 1/4	0.120	2.4560
2 x 1 1/2	0.120	2.6600
2 1/2 x 1 1/2	0.120	3.0680
	0.188	4.4900
	0.250	5.4000
3 x 1	0.083	2.1640
	0.120	3.0600
	0.188	4.3200
3 x 1 1/2	0.120	3.4760
	0.188	5.0700
3 x 2	0.083	2.7280
	0.120	3.8840
	0.188	5.5900
	0.250	7.1100
3 1/2 x 2 1/2	0.188	6.9030
	0.250	8.8100
4 x 2	0.120	4.7000
	0.188	6.8700
	0.250	8.8100
	0.313	10.5800
	0.375	12.1700
4 x 3	0.120	5.5160
	0.188	8.1500
	0.250	10.5100
	0.313	12.7000
5 x 2	0.120	5.5160
	0.188	8.1500
	0.250	10.5100
	0.375	14.7100
5 x 3	0.120	6.3300
	0.188	9.4200
	0.250	12.2100
	0.375	17.2700
5 x 4	0.250	13.9100
	0.375	19.8200
6 x 2	0.188	9.4200
	0.250	12.2100
	0.375	17.2700
6 x 3	0.188	10.7000
	0.250	13.9100
	0.375	19.8200
6 x 4	0.188	11.9700
	0.250	15.6200
	0.313	19.0800
	0.375	22.3700
	0.500	28.4300
7 x 4	0.188	13.2500
	0.250	17.3200
	0.313	21.2100
	0.375	24.9300
7 x 5	0.188	14.5300
	0.250	19.0200
	0.313	23.3400
	0.375	27.4800
	0.500	35.2400
8 x 2	0.188	11.9700
	0.250	15.6200
	0.375	22.3700
8 x 3	0.188	13.2500
	0.250	17.3200
	0.375	24.9300
8 x 4	0.188	14.5300
	0.250	19.0200
	0.375	27.4800
	0.500	35.2400
8 x 6	0.188	17.0800
	0.250	22.4200
	0.375	32.5800
	0.500	42.0500
10 x 2	0.188	14.5300
	0.250	19.0200
	0.375	27.4800
10 x 4	0.188	17.0800
	0.250	22.4200
	0.313	27.5900
	0.375	32.5800
10 x 6	0.188	19.6300
	0.250	25.8200
	0.313	31.8400
	0.375	37.6900
	0.500	48.8500
10 x 8	0.375	42.7900
	0.500	55.6600
12 x 2	0.188	17.0800
	0.250	22.4200
12 x 4	0.250	25.8200
	0.375	37.6900
12 x 6	0.250	29.2300
	0.375	42.7900
	0.500	55.6600