Square Steel Tubing a500b(c) / a513-1

Mechanical square steel tube

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