## Square Steel Tubing a500b(c) / a513-1

Square steel tubing is available in structural and mechanical grades. Structural square steel tubing a500b(c) and mechanical steel tubing a513-1 in are represented in this stock list. Totten Tubes stocks square tube steel tubing from 3/8” x 3/8” up to 20” x 20”.

### Structural Square Steel Tubing Specs

a500 Spec Sheet

a500b square: 46k min yield / 58k min tensile

a500c square: 50k min yield / 62k min tensile

### Mechanical Square Steel Tubing Specs

a513 Spec Sheet

a513 type 1 is produced from 1008 – 1015 steel

#### Click on desired size below to see exact sizes available.

**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 |