|
| SQUARE TUBING |
| Mech.Sizes ASTM - A513 |
| Struct. Sizes ASTM - A500B |
| Size |
0.049 |
0.065 |
0.072 |
0.083 |
0.095 |
0.109 |
0.120 |
0.134 |
0.148 |
0.188 |
0.203 |
0.250 |
0.313 |
0.375 |
0.500 |
| Gauge |
18 |
16 |
15 |
14 |
13 |
12 |
11 |
10 |
9 |
3/16 |
6 |
1/4 |
5/16 |
3/8 |
1/2 |
| 1/2 x 1/2 |
0.301 |
0.385 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
|
| 3/4 x 3/4 |
0.467 |
0.606 |
0.664 |
0.753 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
|
| 1 x 1 |
0.634 |
0.827 |
0.909 |
1.035 |
1.169 |
1.321 |
1.436 |
x |
x |
x |
x |
x |
x |
x |
x |
| 1 ¼ x 1 ¼ |
x |
1.048 |
1.154 |
1.317 |
1.492 |
1.691 |
1.844 |
x |
x |
x |
x |
x |
x |
x |
x |
| 1 ½ x 1 ½ |
x |
x |
1.398 |
1.6 |
1.815 |
2.062 |
2.252 |
2.33 |
2.53 |
3.04 |
x |
x |
x |
x |
x |
| 1 ¾ x 1 ¾ |
x |
x |
x |
1.882 |
2.138 |
2.433 |
2.66 |
x |
x |
x |
x |
x |
x |
x |
x |
| 2 x 2 |
x |
x |
x |
2.16 |
2.46 |
2.8 |
3.07 |
3.24 |
3.54 |
4.32 |
4.6 |
5.4 |
x |
x |
x |
| 2-1/2 x 2-1/2 |
x |
x |
x |
x |
3.03 |
3.44 |
3.9 |
4.15 |
4.54 |
5.6 |
5.98 |
7.1 |
x |
x |
x |
| 3 x 3 |
x |
x |
x |
x |
x |
x |
4.75 |
5.07 |
5.55 |
6.88 |
7.36 |
8.8 |
x |
x |
x |
| 3-1/2 x 3-1/2 |
x |
x |
x |
x |
x |
x |
5.6 |
5.98 |
6.55 |
8.16 |
8.74 |
10.5 |
|
|
|
| 4 x 4 |
x |
x |
x |
4.36 |
4.97 |
5.66 |
6.45 |
6.89 |
7.56 |
9.44 |
10.12 |
12.2 |
14.84 |
17.25 |
21.61 |
| 4-1/2 x 4-1/2 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
10.71 |
11.5 |
13.9 |
16.96 |
19.8 |
25.01 |
| 5 x 5 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
11.99 |
12.88 |
15.6 |
19.09 |
22.35 |
28.41 |
| 6 x 6 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
14.55 |
15.64 |
19 |
23.35 |
27.45 |
35.21 |
| 7 x 7 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
17.11 |
18.4 |
22.4 |
27.6 |
32.55 |
42.01 |
| 8 x 8 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
19.66 |
21.16 |
25.8 |
31.86 |
37.65 |
48.81 |
| 10 x 10 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
24.77 |
26.68 |
32.59 |
40.37 |
47.85 |
62.4 |
| 12 x 12 |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
39.41 |
48.83 |
58.08 |
76.06 |
|
|
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