# Square Steel Tubing (A500B(C) / A513-1)

At Totten Tubes, we aim to meet the needs of clients in every industry. To that end, we offer square steel tubing in structural and mechanical grades. Our broad selection includes tubes in sizes from 3/8” x 3/8” up to 20” x 20”.

## Structural Steel Tubing

Structural steel tubing can be used for a broad range of static applications. Just as the descriptor “structural” implies, square steel tubing can be used in structures ranging from small and simple (sign posts and trailer beds) to large and complex (supports for skyscrapers and bridges). At Totten Tubes, we offer square steel tubing for all types of structural applications.

For more information about the structural steel tubing that we offer, please view the A500 spec sheet. A500 spec sheet PDF

## Mechanical Steel Tubing

Square steel tubing is equally useful for dynamic applications, ranging from automotive to agricultural. In any type of machinery, you’re bound to discover that square steel tubing plays a pivotal role in the machine’s function. Whatever your mechanical application, we have the square steel tubing that you need.

Learn more about our mechanical steel tubing by viewing the A513 spec sheet.

## Steel in Any Size

Most companies stock steel tubing in a limited range of sizes. At Totten Tubes, our selection includes standard sizes as well as sizes that are hard to find anywhere else.

## Contact Totten Tubes

For more information about square steel tubing for structural or mechanical applications, contact Totten Tubes today.

**3/8" x 3/8" square steel tube**

Size | #/ft |
---|---|

3/8" x 3/8" x .049 A513-1 CREW | 0.230 |

3/8" x 3/8" x .065 A513-1 CREW | 0.274 |

**1/2" x 1/2" square steel tube**

Size | #/ft |
---|---|

1/2" x 1/2" x .049 A513-1 CREW | 0.301 |

1/2" x 1/2" x .065 A513-1 HREW | 0.362 |

**5/8" x 5/8" square steel tube**

Size | #/ft |
---|---|

5/8" x 5/8" x .049 A513-1 CREW | 0.383 |

5/8" x 5/8" x .065 A513-1 HREW | 0.495 |

**3/4" x 3/4" square steel tube**

Size | #/ft |
---|---|

3/4" x 3/4" x .049 A513-1 CREW | 0.047 |

3/4" x 3/4" x .049 A513-1 GALV | 0.047 |

3/4" x 3/4" x .065 A513-1 HREW | 0.606 |

3/4" x 3/4" x .065 A513-1 GALV | 0.606 |

3/4" x 3/4" x .075 A513-1 HREW | 0.664 |

3/4" x 3/4" x .075 A513-1 GALV | 0.664 |

3/4" x 3/4" x .083 A513-1 HREW | 0.753 |

3/4" x 3/4" x .095 A513-1 HREW | 0.846 |

3/4" x 3/4" x .120 A513-1 HREW | 1.028 |

**7/8" x 7/8" square steel tube**

Size | #/ft |
---|---|

7/8" x 7/8" x .049 A513-1 CREW | 0.550 |

7/8" x 7/8" x .065 A513-1 HREW | 0.716 |

**1" x 1" square steel tube**

Size | #/ft |
---|---|

1" x 1" x .049 A513-1 CREW | 0.634 |

1" x 1" x .049 A513-1 GALV | 0.634 |

1" x 1" x .065 A513-1 CREW | 0.827 |

1" x 1" x .065 A513-1 GALV | 0.827 |

1" x 1" x .075 A513-1 HREW | 0.909 |

1" x 1" x .083 A513-1 HREW | 1.036 |

1" x 1" x .095 A513-1 HREW | 1.169 |

1" x 1" x .109 A513-1 HREW | 1.321 |

1" x 1" x .120 A500B HSS | 1.436 |

1" x 1" x .188 A500B HSS | 2.290 |

**1-1/8" x 1-1/8" square steel tube**

Size | #/ft |
---|---|

1.125" x 1.125" x .049 A513-1 CREW | 0.717 |

1.125" x 1.125" x .065 A513-1 CREW | 0.937 |

**1-1/4" x 1-1/4" square steel tube**

Size | #/ft |
---|---|

1.25" x 1.25" x .049 A513-1 CREW | 0.800 |

1.25" x 1.25" x .065 A513-1 HREW | 1.048 |

1.25" x 1.25" x .065 A513-1 GALV | 1.048 |

1.25" x 1.25" x .075 A513-1 HREW | 1.154 |

1.25" x 1.25" x .083 A513-1 HREW | 1.317 |

1.25" x 1.25" x .095 A513-1 HREW | 1.492 |

1.25" x 1.25" x .109 A513-1 HREW | 1.691 |

1.25" x 1.25" x .120 A513-1 HREW | 1.844 |

1.25" x 1.25" x .134 A513-1 HREW | 2.033 |

1.25" x 1.25" x .188 A513-1 HREW | 2.600 |

**1-1/2" x 1-1/2" square steel tube**

Size | #/ft |
---|---|

1.5" x 1.5" x .049 A513-1 CREW | 0.967 |

1.5" x 1.5" x .065 A513-1 HREW | 1.268 |

1.5" x 1.5" x .075 A513-1 HREW | 1.398 |

1.5" x 1.5" x .083 A513-1 HREW | 1.600 |

1.5" x 1.5" x .095 A513-1 HREW | 1.815 |

1.5" x 1.5" x .109 A513-1 HREW | 2.062 |

1.5" x 1.5" x .120 A513-1 HREW | 2.252 |

1.5" x 1.5" x .120 A513-1 GALV | 2.252 |

1.5" x 1.5" x .188 A513-1 HREW | 3.231 |

1.5" x 1.5" x .250 A513-1 HREW | 4.247 |

**1/2" x 1/2" square steel tube**

Size | #/ft |
---|---|

1/2" x 1/2" x .049 A513-1 CREW | 0.301 |

1/2" x 1/2" x .065 A513-1 HREW | 0.362 |

**1-5/8" x 1-5/8" square steel tube**

Size | #/ft |
---|---|

1.625" x 1.625" x .175 A513-1 HREW | 3.310 |

**1-3/4" x 1-3/4" square steel tube**

Size | #/ft |
---|---|

1.75" x 1.75" x .065 A513-1 CREW | 1.490 |

1.75" x 1.75" x .083 A513-1 CREW | 1.881 |

1.75" x 1.75" x .095 A513-1 CREW | 2.138 |

1.75" x 1.75" x .109 A513-1 HREW | 2.432 |

1.75" x 1.75" x .120 A513-1 HREW | 2.660 |

1.75" x 1.75" x .188 A513-1 HREW | 3.993 |

**2" x 2" square steel tube**

Size | #/ft |
---|---|

2" x 2" x .049 A513-1 CREW | 1.300 |

2" x 2" x .065 A513-1 GALV | 1.711 |

2" x 2" x .075 A513-1 HREW | 1.840 |

2" x 2" x .083 A513-1 HREW | 2.100 |

2" x 2" x .095 A513-1 HREW | 2.380 |

2" x 2" x .109 A513-1 HREW | 2.700 |

2" x 2" x .120 A500B HSS | 3.050 |

2" x 2" x .188 A500B HSS | 4.320 |

2" x 2" x .250 A500B HSS | 5.410 |

2" x 2" x .313 A500B HSS | 6.320 |

**2-1/4" x 2-1/4" square steel tube**

Size | #/ft |
---|---|

2.25" x 2.25" x .095 A513-1 HREW | 2.784 |

2.25" x 2.25" x .109 A513-1 HREW | 3.174 |

2.25" x 2.25" x .120 A500B HSS | 3.476 |

2.25" x 2.25" x .188 A500B HSS | 5.067 |

2.25" x 2.25" x .250 A500B HSS | 7.008 |

**2-1/2" x 2-1/2" square steel tube**

Size | #/ft |
---|---|

2.5" x 2.5" x .065 A513-1 CREW | 2.153 |

2.5" x 2.5" x .083 A513-1 HREW | 2.728 |

2.5" x 2.5" x .095 A513-1 HREW | 3.107 |

2.5" x 2.5" x .109 A513-1 HREW | 3.544 |

2.5" x 2.5" x .120 A500B HSS | 3.760 |

2.5" x 2.5" x .188 A500B HSS | 5.590 |

2.5" x 2.5" x .250 A500B HSS | 7.110 |

2.5" x 2.5" x .313 A500B HSS | 8.430 |

**2.53" x 2.53" square steel tube**

Size | #/ft |
---|---|

2.53" x 2.53" x .250 A500B FR TELE | 7.110 |

**3" x 3" square steel tube**

Size | #/ft |
---|---|

3" x 3" x .065 A513-1 CREW | 2.594 |

3" x 3" x .083 A513-1 HREW | 3.230 |

3" x 3" x .095 A513-1 CREW | 3.670 |

3" x 3" x .120 A500B HSS | 4.570 |

3" x 3" x .188 A500B HSS | 6.870 |

3" x 3" x .250 A500B HSS | 8.810 |

3" x 3" x .313 A500B HSS | 10.580 |

3" x 3" x .375 A500B HSS | 12.160 |

3" x 3" x .500 A500B HSS | 17.600 |

**3.030" x 3.030" square steel tube**

Size | #/ft |
---|---|

3.03" x 3.03" x .250 A500B FR TELE | 8.810 |

**3-1/2" x 3-1/2" square steel tube**

Size | #/ft |
---|---|

3.5" x 3.5" x .083 A513-1 HREW | 3.852 |

3.5" x 3.5" x .120 A500B HSS | 5.390 |

3.5" x 3.5" x .188 A500B HSS | 8.150 |

3.5" x 3.5" x .250 A500B HSS | 10.510 |

3.5" x 3.5" x .313 A500B HSS | 12.700 |

3.5" x 3.5" x .375 A500B HSS | 14.290 |

**4" x 4" square steel tube**

Size | #/ft |
---|---|

4" x 4" x .083 A513-1 HREW | 4.360 |

4" x 4" x .083 A513-1 GALV | 4.360 |

4" x 4" x .095 A513-1 HREW | 5.710 |

4" x 4" x .120 A500B HSS | 6.210 |

4" x 4" x .188 A500B HSS | 9.420 |

4" x 4" x .250 A500B HSS | 12.210 |

4" x 4" x .313 A500B HSS | 14.830 |

4" x 4" x .375 A500B HSS | 17.270 |

4" x 4" x .500 A500B HSS | 21.630 |

**4-1/2" x 4-1/2" square steel tube**

Size | #/ft |
---|---|

4.5" x 4.5" x .120 A500B HSS | 7.145 |

4.5" x 4.5" x .188 A500B HSS | 10.700 |

4.5" x 4.5" x .250 A500B HSS | 13.910 |

4.5" x 4.5" x .313 A500B HSS | 16.960 |

4.5" x 4.5" x .375 A500B HSS | 19.820 |

**5" x 5" square steel tube**

Size | #/ft |
---|---|

5" x 5" x .120 A500B HSS | 7.840 |

5" x 5" x .188 A500B HSS | 11.970 |

5" x 5" x .250 A500B HSS | 15.620 |

5" x 5" x .313 A500B HSS | 19.080 |

5" x 5" x .375 A500B HSS | 22.370 |

5" x 5" x .500 A500B HSS | 28.430 |

5" x 5" x .625 A500B HSS | 37.190 |

**5-1/2" x 5-1/2" square steel tube**

Size | #/ft |
---|---|

5.5" x 5.5" x .188 A500B HSS | 13.250 |

5.5" x 5.5" x .250 A500B HSS | 17.320 |

5.5" x 5.5" x .313 A500B HSS | 21.210 |

5.5" x 5.5" x .375 A500B HSS | 24.930 |

5.5" x 5.5" x .500 A500B HSS | 31.843 |

**6" x 6" square steel tube**

Size | #/ft |
---|---|

6" x 6" x .120 A500B HSS | 9.480 |

6" x 6" x .188 A500B HSS | 14.530 |

6" x 6" x .250 A500B HSS | 19.020 |

6" x 6" x .313 A500B HSS | 23.340 |

6" x 6" x .375 A500B HSS | 27.480 |

6" x 6" x .500 A500B HSS | 35.240 |

6" x 6" x .625 A500B HSS | 42.270 |

**7" x 7" square steel tube**

Size | #/ft |
---|---|

7" x 7" x .188 A500B HSS | 17.080 |

7" x 7" x .250 A500B HSS | 22.420 |

7" x 7" x .313 A500B HSS | 27.590 |

7" x 7" x .375 A500B HSS | 32.580 |

7" x 7" x .500 A500B HSS | 42.050 |

7" x 7" x .625 A500B HSS | 50.770 |

**8" x 8" square steel tube**

Size | #/ft |
---|---|

8" x 8" x .188 A500B HSS | 19.630 |

8" x 8" x .250 A500B HSS | 25.820 |

8" x 8" x .313 A500B HSS | 31.840 |

8" x 8" x .375 A500B HSS | 37.690 |

8" x 8" x .500 A500B HSS | 48.850 |

8" x 8" x .625 A500B HSS | 59.320 |

**9" x 9" square steel tube**

Size | #/ft |
---|---|

9" x 9" x .250 A500B HSS | 29.230 |

9" x 9" x .313 A500B HSS | 36.100 |

9" x 9" x .375 A500B HSS | 42.790 |

9" x 9" x .500 A500B HSS | 55.660 |

9" x 9" x .625 A500B HSS | 67.820 |

**10" x 10" square steel tube**

Size | #/ft |
---|---|

10" x 10" x .188 A500B HSS | 24.730 |

10" x 10" x .250 A500B HSS | 32.630 |

10" x 10" x .313 A500B HSS | 40.350 |

10" x 10" x .375 A500B HSS | 47.900 |

10" x 10" x .500 A500B HSS | 62.460 |

10" x 10" x .625 A500B HSS | 76.330 |

**12" x 12" square steel tube**

Size | #/ft |
---|---|

12" x 12" x .250 A500B HSS | 39.430 |

12" x 12" x .313 A500B HSS | 48.860 |

12" x 12" x .375 A500B HSS | 58.100 |

12" x 12" x .500 A500B HSS | 76.070 |

12" x 12" x .625 A500B HSS | 93.250 |

**14" x 14" square steel tube**

Size | #/ft |
---|---|

14" x 14" x .313 A500B HSS | 57.360 |

14" x 14" x .375 A500B HSS | 68.310 |

14" x 14" x .500 A500B HSS | 89.680 |

14" x 14" x .625 A500B HSS | 110.350 |

**16" x 16" square steel tube**

Size | #/ft |
---|---|

16" x 16" x .313 A500B HSS | 65.870 |

16" x 16" x .375 A500B HSS | 78.520 |

16" x 16" x .500 A500B HSS | 103.300 |

16" x 16" x .625 A500B HSS | 127.340 |

**18" x 18" square steel tube**

Size | #/ft |
---|---|

18" x 18" x .375 A500B HSS | 85.580 |

18" x 18" x .500 A500B HSS | 116.840 |

18" x 18" x .625 A500B HSS | 144.180 |

**20" x 20" square steel tube**

Size | #/ft |
---|---|

20" x 20" x .500 A500B HSS | 130.290 |

20" x 20" x .625 A500B HSS | 159.000 |