Square Steel Tubing ASTM A-500, A-513 & A-36 3/8" x 3/8"   1-1/2" x 1-1/2"   4" x 4" 1/2" x 1/2"   1-3/4" x 1-3/4"   4-1/2" x 4-1/2" 5/8" x 5/8"   1-7/8" x 1-7/8"   5" x 5" 3/4" x 3/4"   2" x 2"   6" x 6" 13/16" x 13/16"   2-1/8" x 2-1/8"   7" x 7" 7/8" x 7/8"   2.17" x 2.17"   8" x 8" .843" x .843"   2-1/4" 2-1/4"   10" x 10" 1" x 1"   2-1/2" x 2-1/2"   12" x 12" 1-1/8" x 1-1/8"   3" x 3"   14" x 14" 1-1/4" x 1-1/4"   3-1/2" x 3-1/2"   16" x 16" 1-3/8" x 1-3/8''         O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 3/8 x 3/8" 1/2 x 1/2" 5/8 x 5/8'' .035 .162 .035 .221 .035 .281 .049 .217 .049 .301 .049 .384 .065 .274 .065 .384 .065 .495 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 3/4 x 3/4" 13/16 x 13/16" 7/8 x 7/8" .035 .340 .049 .510 .035 .400 .049 .467 .065 .688 .049 .550 .065 .605 O.D. Wall Wt./Ft. .065 .716 .083 .753 .843 x .843" .083 .894 .109 .950 .049 .529 .120 1.028 .065 .688 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 1 x 1" 1-1/8 x 1-1/8" 1-1/4 x 1-1/4" .035 .459 .035 .519 .035 .578 .049 .634 .049 .717 .049 .800 .065 .827 .065 .937 .065 1.047 .072 .909 .083 1.176 .072 1.182 .083 1.035 .109 1.506 .083 1.317 .095 1.169 .120 1.640 .095 1.492 .109 1.320 .109 1.691 .120 1.436 .120 1.844 .134 1.578 .134 1.889 .188 1.768 .188 2.408 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 1-3/8 x 1-3/8'' 1-3/4 x 1-3/4" 2 x 2" .049 .884 .035 .816 .035 .935 .065 1.158 .049 1.134 .049 1.300 O.D. Wall Wt./Ft. .065 1.490 .065 1.710 1-1/2 x 1-1/2" .083 1.882 .083 2.164 .035 .697 .095 2.138 .095 2.461 .049 .967 .109 2.432 .109 2.802 .065 1.268 .120 2.660 .120 3.050 .072 1.434 .134 2.945 .134 3.397 .083 1.599 .188 3.687 .188 4.320 .095 1.815 O.D. Wall Wt./Ft. .250 5.410 .109 2.062 1-7/8 x 1-7/8" .313 7.181 .120 2.252 .065 1.600 O.D. Wall Wt./Ft. .134 2.489 .083 2.023 2-1/8 x 2-1/8" .188 3.355 .109 2.990 .250 3.706 .120 3.270 .134 3.629 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 2.170 x 2.170" 2-1/2 x 2-1/2" 3 x 3" .109 3.055 .065 2.152 .065 2.594 .120 3.346 .083 2.728 .083 3.292 .134 3.710 .095 3.107 .095 3.753 O.D. Wall Wt./Ft. .109 3.544 .109 4.286 2-1/4 x 2-1/4" .120 3.900 .120 4.750 .065 1.932 .134 4.309 .134 5.219 .083 2.446 .188 5.590 .188 6.870 .095 2.785 .250 7.110 .250 8.810 .109 3.174 .313 8.438 .313 10.580 .120 3.476 .375 12.165   .188 5.272               .250 6.800             O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 3-1/2 x 3-1/2" 4 x 4" 4-1/2 x 4-1/2" .120 5.610 .083 4.422 .188 10.700 .188 8.150 .109 5.768 .250 13.910 .250 10.510 .120 6.460 O.D. Wall Wt./Ft. .313 12.700 .134 7.045 5 x 5" .375 14.717 .188 9.420 .120 7.964 O.D. Wall Wt./Ft. .250 12.210 .188 11.970 6 x 6" .313 14.830 .250 15.620 .188 14.530 .375 17.270 .313 19.080 .250 19.020 .500 21.630 .375 22.370 .313 23.340 .500 28.430 .375 27.480               .500 35.240               O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 10 x 10" 7 x 7" 8 x 8" .188 24.730 .188 17.080 .188 19.630 .250 32.630 .250 22.420 .250 25.820 .313 40.350 .313 27.590 .313 31.840 .375 47.900 .375 32.580 .375 37.690 .500 62.460 .500 42.050 .500 48.850 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 16 x 16" 12 x 12" 14 x 14" .313 65.870 .250 39.430 .313 57.360 .375 78.520 .313 48.860 .375 68.310 .500 103.300 .375 58.100 .500 89.680         .500 76.070

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