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					| RECTANGULAR TUBING |  
					| Mech.Sizes ASTM - A513 |  
					| Struct. Sizes ASTM - A500 |  
					| Size | 0.065 | 0.072 | 0.083 | 0.095 | 0.109 | 0.12 | 0.134 | 0.188 | 0.25 | 0.313 | 0.375 | 0.5 |  
					| Gauge | 16 ga. | 15 ga. | 14 ga. | 13 ga. | 12 ga. | 11 ga. | 10 ga. | 3/16" | 1/4' | 5/16" | 3/8" | 1/2' |  
					| 1 x ½ | 0.606 | 0.664 | 0.753 | x | x | x | x | x | x | x | x | x |  
					| 1½ x 1 | 1.048 | 1.154 | 1.317 | 1.492 | 1.691 | 1.844 | x | x | x | x | x | x |  
					| 2 x 1 | 1.269 | 1.398 | 1.6 | 1.815 | 2.062 | 2.252 | x | x | x | x | x | x |  
					| 2 x 1 ½ | 1.49 | 1.643 | 1.882 | 2.138 | 2.433 | 2.66 | x | x | x | x | x | x |  
					| 3 x 2 | x | x | 2.67 | 3.03 | 3.44 | 3.9 | 4.15 | 5.6 | 7.1 | x | x | x |  
					| 4 x 2 | x | x | x | 3.67 | 4.18 | 4.75 | 5.07 | 6.88 | 8.8 | x | x | x |  
					| 4 x 3 | x | x | x | 4.32 | 4.92 | 5.6 | 5.98 | 8.16 | 10.5 | x | x | x |  
					| 5 x 2 | x | x | x | ! | 4.92 | 5.6 | 5.98 | 8.16 | 10.5 | x | x | x |  
					| 5 x 3 | x | x | x | x | 5.66 | 6.45 | 6.89 | 9.44 | 12.2 | 14.84 | 17.25 | 21.61 |  
					| 6 x 2 | x | x | x | x | 5.66 | 6.45 | 6.89 | 9.44 | 12.2 | 14.84 | 17.25 | 21.61 |  
					| 6 x 3 | x | x | x | x | x | x | x | 10.71 | 13.9 | 16.98 | 19.8 | 25.01 |  
					| 6 x 4 | x | x | x | x | x | x | x | 11.99 | 15.6 | 19.09 | 22.35 | 28.41 |  
					| 7 x 4 | x | x | x | x | x | x | x | 13.27 | 17.3 | 21.22 | 24.9 | 31.81 |  
					| 7 x 5 | x | x | x | x | x | x | x | 14.55 | 19 | 23.35 | 27.45 | 35.21 |  
					| 8 x 2 | x | x | x | x | x | x | 7.85 | 11.99 | 15.6 | 19.09 | 22.35 | x |  
					| 8 x 4 | x | x | x | x | x | x | x | 14.55 | 19 | 23.35 | 27.45 | 35.21 |  
					| 8 x 6 | x | x | x | x | x | x | x | 17.11 | 22.4 | 27.6 | 32.55 | 42.01 |  
					| 9 x 4 | x | x | x | x | x | x | x | 15.8 | 20.71 | 25.46 | x | x |  
					| 9 x 6 | x | x | x | x | x | x | x | 18.35 | 24.11 | 29.71 | x | x |  
					| 10 x 2 | x | x | x | x | x | x | x | 14.53 | 19.02 | 23.34 | 27.48 | x |  
					| 10 x 4 | x | x | x | x | x | x | x | 17.11 | 22.4 | 27.6 | 32.55 | 42.01 |  
					| 10 x 6 | x | x | x | x | x | x | x | 19.66 | 25.8 | 31.86 | 37.65 | 48.81 |  
					| 12 x 2 | x | x | x | x | x | x | x | 17.11 | 22.4 | 27.6 | 32.55 | 42.01 |  
					| 12 x 4 | x | x | x | x | x | x | x | 19.66 | 25.8 | 31.86 | 37.65 | 48.81 |  
					| 12 x 6 | x | x | x | x | x | x | x | 22.22 | 29.2 | 36.12 | 42.75 | 55.6 |  |  |  |