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 2.4461 .188 5.590 .188 6.870 .095 2.7848 .250 7.110 .250 8.810 .109 3.174 .313 8.438 .313 10.580 .120 3.476 .375 12.165 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 .250 12.210 .188 11.970 .313 14.830 .250 15.620 .375 17.270 .313 19.080 .500 21.630 .375 22.370 .500 28.430 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 6 x 6" 7 x 7" 8 x 8" .188 14.530 .188 17.080 .188 19.630 .250 19.020 .250 22.420 .250 25.820 .313 23.340 .313 27.590 .313 31.840 .375 27.480 .375 32.580 .375 37.690 .500 35.240 .500 42.050 .500 48.850 O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. O.D. Wall Wt./Ft. 10 x 10" 12 x 12" 14 x 14" .188 24.730 .250 39.430 .313 57.360 .250 32.630 .313 48.860 .375 68.310 .313 40.350 .375 58.100 .500 89.680 .375 47.900 .500 76.070 .500 62.460 O.D. Wall Wt./Ft. 16 x 16" .313 65.870 .375 78.520 .500 103.300

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