Stocklist Home Tubing & Pipe Square & Rectangular Tubing
 
SQUARE TUBING - CARBON STEEL
ASTM A513 Mechanical
ASTM A500 Structural
Stock Lengths:
Mechanical - 20 Ft.
Structural - 20 & 40 Ft.
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
3/8" X 3/8"
 
 
 
 
 
 
 
20
.035
.1618
X
 
 
 
16
.065
.2740
X
 
 
1/2" X 1/2"
 
 
 
 
 
 
20
.035
.2213
X
 
 
 
18
.049
.3005
X
 
 
 
16
.065
.3845
X
 
 
5/8" X 5/8"
 
 
 
 
 
 
18
.049
.3838
X
 
 
 
16
.065
.4950
X
 
 
3/4" X 3/4"
 
 
 
 
 
 
20
.035
.3403
X
 
 
 
18
.049
.4671
X
 
 
 
16
.065
.6055
X
 
 
 
14
.083
.7529
X
 
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
13
.095
.8463
X
 
 
 
11
.120
1.028
X
 
 
7/8" X 7/8"
 
 
 
 
 
 
18
.049
.5504
X
 
 
 
16
.065
.6957
X
 
 
 
14
.083
.8940
X
 
 
 
13
.095
1.008
X
 
 
1" X 1"
 
 
 
 
 
 
20
.035
.4533
X
 
 
 
18
.049
.6337
X
 
 
 
16
.065
.8265
X
 
 
 
15
.072
.9087
X
 
 
 
14
.083
1.035
X
 
 
 
13
.095
1.169
X
 
 
 
12
.109
1.321
X
 
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
11
.120
1.436
X
 
 
1 1/8" X 1 1/8"
 
 
 
 
 
 
 
18
.049
.7170
X
 
 
 
16
.065
.9167
X
 
 
1 1/4" X 1 1/4"
 
 
 
 
 
 
 
18
.049
.8003
X
 
 
 
16
.065
1.048
X
 
 
 
14
.083
1.317
X
 
 
 
13
.095
1.492
X
 
 
 
12
.109
1.691
X
 
 
 
11
.120
1.800
X
 
 
 
.135
.135
2.033
 
X
 
 
3/16
.188
2.407
 
X
 
1 1/2" X 1 1/2"
 
 
 
 
 
 
 
18
.049
.9669
X
 
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
16
.065
1.269
X
 
 
 
15
.072
1.380
X
 
 
 
14
.083
1.600
X
 
 
 
13
.095
1.815
X
 
 
 
12
.109
1.992
X
 
 
 
11
.120
2.210
X
 
 
 
.145
.145
2.672
 
X
 
 
3/16
.188
3.040
 
X
 
 
1/4
.250
4.067
 
X
 
1 3/4" X 1 3/4"
 
 
 
 
 
 
 
16
.065
1.469
X
 
 
 
14
.083
1.882
X
 
 
 
13
.095
2.138
X
 
 
 
11
.120
2.582
X
 
 
2" X 2"
 
 
 
 
 
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
18
.049
1.300
X
 
 
 
16
.065
1.690
X
 
 
 
15
.072
1.880
X
 
 
 
14
.083
2.135
X
 
 
 
13
.095
2.450
X
 
 
 
12
.109
2.803
X
 
 
 
11
.120
2.940
 
X
 
 
1/8
.125
3.050
 
X
 
 
10
.134
3.282
 
X
 
 
.145
.145
3.510
 
X
 
 
3/16
.188
4.320
 
X
 
 
1/4
.250
5.410
 
X
 
2 1/4" X 2 1/4"
 
 
 
 
 
 
 
16
.065
1.932
X
 
 
 
.109
.109
3.174
 
X
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
1/4
.250
6.800
X
 
 
21/2" X 2 1/2"
 
 
 
 
 
 
 
16
.065
2.153
X
 
 
 
14
.083
2.728
X
X
 
 
12
.109
3.544
X
 
 
 
11
.120
3.760
 
X
 
 
1/8
.125
3.900
 
X
 
 
10
.134
4.193
 
X
 
 
3/16
.188
5.590
 
X
 
 
.238
.238
7.322
 
X
 
 
1/4
.250
7.110
 
X
 
3" X 3"
 
 
 
 
 
 
 
14
.083
3.263
 
X
 
 
.109
.109
4.286
 
X
 
 
11
.120
4.580
 
X
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
1/8
.125
4.750
 
X
 
 
3/16
.188
6.870
 
X
 
 
1/4
.250
8.810
 
X
 
 
5/16
.313
10.58
 
X
 
 
3/8
.375
12.50
 
X
 
31/2" X 3 1/2"
 
 
 
 
 
 
 
1/8
.125
5.610
 
X
 
 
3/16
.188
8.150
 
X
 
 
1/4
.250
10.51
 
X
 
 
5/16
.313
12.70
 
X
 
4" X 4"
 
 
 
 
 
 
 
11
.120
6.220
 
X
 
 
1/8
.125
6.460
 
X
 
 
3/16
.188
9.420
 
X
 
 
1/4
.250
12.21
 
X
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
5/16
.313
14.83
 
X
 
 
3/8
.375
17.27
 
X
 
 
1/2
.500
21.63
 
X
 
4 1/2" X 4 1/2"
 
 
 
 
 
 
 
3/16
.188
10.70
 
X
 
 
1/4
.250
13.91
 
X
 
5" X 5"
 
 
 
 
 
 
 
11
.120
7.964
 
X
 
 
1/8
.125
8.160
 
X
 
 
7
.180
11.40
 
X
 
 
3/16
.188
11.97
 
X
 
 
1/4
.250
15.62
 
X
 
 
5/16
.313
19.08
 
X
 
 
3/8
.375
22.37
 
X
 
 
1/2
.500
28.43
 
X
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
6" X 6"
 
 
 
 
 
 
 
3/16
.188
14.53
 
X
 
 
1/4
.250
19.02
 
X
 
 
5/16
.313
23.34
 
X
 
 
3/8
.375
27.48
 
X
 
 
1/2
.500
35.24
 
X
 
7" X 7"
 
 
 
 
 
 
 
3/16
.188
17.08
 
X
 
 
1/4
.250
22.42
 
X
 
 
5/16
.313
27.59
 
X
 
 
3/8
.375
32.58
 
X
 
 
1/2
.500
42.05
 
X
 
8" X 8"
 
 
 
 
 
 
 
3/16
.188
19.63
 
X
 
 
1/4
.250
25.82
 
X
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
 
5/16
.313
31.84
 
X
 
 
3/8
.375
37.69
 
X
 
 
1/2
.500
48.85
 
X
 
 
5/8
.625
59.32
 
X
 
10" X 10
 
 
 
 
 
 
 
1/4
.250
32.63
 
X
 
 
5/16
.313
40.35
 
X
 
 
3/8
.375
47.90
 
X
 
 
1/2
.500
62.46
 
X
 
 
5/8
.625
76.33
 
X
 
12" X 12"
 
 
 
 
 
 
 
1/4
.250
39.43
 
X
 
 
5/16
.313
48.86
 
X
 
 
3/8
.375
58.10
 
X
 
 
1/2
.500
76.07
 
X
 
Size Wall
Gauge
Wall
Decimal
Weight
per Ft.
in Lbs.
Mechanical
P&O
A513
Structural
A5001
Gr. B
 
14" X 14"
 
 
 
 
 
 
3/8
.375
69.49
 
X
 
 
1/2
.500
89.68
 
X
 
16" X 16"
 
 
 
 
 
 
1/2
.500
103.3
 
X
 
1Various sizes up thru 7" square x 3/8 are available as Kleenkote/Redkote from West Coast.