Case b shape perimeter minus one long surface table

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Case B: Shape perimeter, minus one long surface. Table 6a (Continued) Surface and Box Perimeters, Surface Areas and Area-to-Perimeter Ratios for Rectangular (and Square) Hollow Structural Sections Case A (See Fig. 1, Pg. 89) Case B (See Fig. 1, Pg. 89) Case C (See Fig. 1, Pg. 89)
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MATERIALS PAGE 82 Case A Case A Case B Case B Case C Case C Surf. Surf. Surf. Surf. Surf. Surf. Surf. Peri Peri- meter eter eter eter Area Area Area Peri Peri- meter meter Area Area Area Peri Peri- meter meter Area Area Area Area Shape Shape Shape in. in. in. A/P Ratio Ratio Ratio Ratio ft 2 /ft /ft in. in. A/P Ratio Ratio Ratio ft ft 2 /ft /ft in. in. A/P Ratio Ratio Ratio ft 2 /ft /ft HSS2-1/4x2-1/4x1/4 6.13 0.253 0.511 6.13 0.253 0.511 7.20 0.212 0.600 x3/16 6.85 0.200 0.571 6.85 0.200 0.571 8.40 0.163 0.700 x1/8 6.82 0.140 0.568 6.82 0.140 0.568 8.60 0.111 0.717 HSS2x2x1/4 6.13 0.246 0.511 6.13 0.246 0.511 7.20 0.209 0.600 x3/16 6.10 0.196 0.508 6.10 0.196 0.508 7.40 0.161 0.617 x1/8 6.07 0.138 0.506 6.07 0.138 0.506 7.60 0.110 0.633 HSS2x1-1/2x3/16 5.60 0.182 0.467 5.10 0.200 0.425 6.40 0.159 0.533 HSS2x1x3/16 5.10 0.166 0.425 4.10 0.206 0.342 5.40 0.156 0.450 x1/8 5.07 0.120 0.423 4.07 0.149 0.339 5.60 0.108 0.467 HSS1-3/4x1-3/4x3/16 5.35 0.191 0.446 5.35 0.191 0.446 6.40 0.159 0.533 HSS1-5/8x1-5/8x3/16 4.97 0.187 0.414 4.97 0.187 0.414 5.90 0.158 0.492 x1/8 4.94 0.135 0.412 4.94 0.135 0.412 6.10 0.109 0.508 HSS1-1/2x1-1/2x3/16 4.60 0.184 0.383 4.60 0.184 0.383 5.40 0.156 0.450 x1/8 4.57 0.133 0.381 4.57 0.133 0.381 5.60 0.108 0.467 HSS1-1/4x1-1/4x3/16 3.85 0.174 0.321 3.85 0.174 0.321 4.40 0.152 0.367 x1/8 3.82 0.129 0.318 3.82 0.129 0.318 4.60 0.107 0.383 Case A: Shape perimeter, minus one short surface. Case C: Shape perimeter. Case B: Shape perimeter, minus one long surface. Table 6a (Continued) Surface and Box Perimeters, Surface Areas and Area-to-Perimeter Ratios for Rectangular (and Square) Hollow Structural Sections Case A (See Fig. 1, Pg. 89) Case B (See Fig. 1, Pg. 89) Case C (See Fig. 1, Pg. 89)
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PAGE 83 MATERIALS Case A Case B Surf. Surf. Perimeter Area Perimeter Area Shape in. A/P Ratio ft 2 /ft in. A/P Ratio ft 2 /ft HSS20.000x0.500 62.8 0.454 5.23 80.0 0.357 6.67 x0.375 62.8 0.343 5.23 80.0 0.269 6.67 HSS18.000x0.500 56.5 0.453 4.71 72.0 0.356 6.00 x0.375 56.5 0.342 4.71 72.0 0.269 6.00 HSS16.000x0.500 50.3 0.451 4.19 64.0 0.355 5.33 x0.438 50.3 0.397 4.19 64.0 0.312 5.33 x0.375 50.3 0.341 4.19 64.0 0.268 5.33 x0.312 50.3 0.286 4.19 64.0 0.224 5.33 HSS14.000x0.500 44.0 0.450 3.67 56.0 0.353 4.67 x0.375 44.0 0.340 3.67 56.0 0.267 4.67 x0.312 44.0 0.285 3.67 56.0 0.224 4.67 HSS12.750x0.500 40.1 0.448 3.34 51.0 0.352 4.25 x0.375 40.1 0.339 3.34 51.0 0.267 4.25 x0.250 40.1 0.229 3.34 51.0 0.180 4.25 HSS12.500x0.625 39.3 0.554 3.28 50.0 0.435 4.17 x0.500 39.3 0.448 3.28 50.0 0.352 4.17 x0.375 39.3 0.339 3.28 50.0 0.266 4.17 x0.312 39.3 0.284 3.28 50.0 0.223 4.17 x0.250 39.3 0.229 3.28 50.0 0.180 4.17 x0.188 39.3 0.172 3.28 50.0 0.135 4.17 HSS11.250x0.625 35.3 0.551 2.94 45.0 0.433 3.75 x0.500 35.3 0.446 2.94 45.0 0.350 3.75 x0.375 35.3 0.338 2.94 45.0 0.266 3.75 x0.312 35.3 0.283 2.94 45.0 0.223 3.75 x0.250 35.3 0.228 2.94 45.0 0.179 3.75 x0.188 35.3 0.171 2.94 45.0 0.135 3.75 HSS10.750x0.500 33.8 0.445 2.82 43.0 0.349 3.58 x0.250 33.8 0.228 2.82 43.0 0.179 3.58 HSS10.000x0.625 31.4 0.547 2.62 40.0 0.430 3.33 x0.500 31.4 0.443 2.62 40.0 0.348 3.33 x0.375 31.4 0.337 2.62 40.0 0.265 3.33 x0.312 31.4 0.283 2.62 40.0 0.222 3.33 x0.250 31.4 0.228 2.62 40.0 0.179 3.33 x0.188 31.4 0.171 2.62 40.0 0.134 3.33 Case A: Shape perimeter. Case B: Box perimeter, equal to four times the depth. Table 6b Surface and Box Perimeters, Surface Areas and Area-to-Perimeter Ratios for Round Hollow Structural Sections Case A (See Fig. 1, Pg. 89) Case B (See Fig. 1, Pg. 89)
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MATERIALS PAGE 84 Case A Case B Surf. Surf. Perimeter Area Perimeter Area Shape in. A/P Ratio ft 2 /ft in. A/P Ratio ft 2 /ft HSS9.625x0.500 30.2 0.443 2.52 38.5 0.348 3.21 x0.375 30.2 0.336 2.52 38.5 0.264 3.21 x0.312 30.2 0.282 2.52 38.5 0.222 3.21 x0.250 30.2 0.227 2.52 38.5 0.179 3.21 x0.188 30.2 0.171 2.52 38.5 0.134 3.21 HSS8.750x0.500 27.5 0.440 2.29 35.0 0.346 2.92 x0.375 27.5 0.335 2.29 35.0 0.263 2.92 x0.312 27.5 0.281 2.29 35.0 0.221 2.92 x0.250 27.5 0.227 2.29 35.0 0.178 2.92 x0.188 27.5 0.171 2.29 35.0 0.134 2.92 HSS8.625x0.500 27.1 0.440 2.26 34.5 0.346 2.88 x0.375 27.1 0.335 2.26 34.5 0.263 2.88 x0.322 27.1 0.290 2.26 34.5 0.227 2.88 x0.250 27.1 0.227 2.26 34.5 0.178 2.88 x0.188 27.1 0.170 2.26 34.5 0.134 2.88 HSS7.625x0.125 24.0 0.114 2.00 30.5 0.090 2.54 HSS7.500x0.500 23.6 0.436 1.97 30.0 0.343 2.50 x0.375 23.6 0.333 1.97 30.0 0.261 2.50 x0.312 23.6 0.280 1.97 30.0 0.220 2.50 x0.250 23.6 0.226 1.97 30.0 0.177 2.50 x0.188 23.6 0.170 1.97 30.0 0.133 2.50 HSS7.000x0.500 22.0 0.434 1.83 28.0 0.341 2.33 x0.375 22.0 0.332 1.83 28.0 0.260 2.33 x0.312 22.0 0.279 1.83 28.0 0.219 2.33 x0.250 22.0 0.225 1.83 28.0 0.177 2.33 x0.188 22.0 0.170 1.83 28.0 0.133 2.33 x0.125 22.0 0.114 1.83 28.0 0.090 2.33 HSS6.875x0.500 21.6 0.434 1.80 27.5 0.341 2.29 x0.375 21.6 0.331 1.80 27.5 0.260 2.29 x0.312 21.6 0.279 1.80 27.5 0.219 2.29 x0.250 21.6 0.225 1.80 27.5 0.177 2.29 x0.188 21.6 0.170 1.80 27.5 0.133 2.29 Case A: Shape perimeter. Case B: Box perimeter, equal to four times the depth.
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