Shape perimeter, minus one flange surface. Shape perimeter. Box perimeter, equal to one flange surface plus twice the depth. Box perimeter, equal to two flange surfaces plus twice the depth.
W 36x256 x232 x210 x194 W36x182 x170 x160 x150 x135
9.02 8.96 8.91 8.88 8.85 8.82 8.79 8.76 8.71
10.0 9.97 9.93 9.89 9.85 9.82 9.79 9.76 9.70
7.26 7.20 7.13 7.09 7.06 7.03 7.00 6.97 6.92
8.27 8.21 8.15 8.10 8.07 8.03 8.00 7.97 7.92
W 33x354 x318 x291 x263 x241 x221 x201
9.66 9.58 9.52 9.46 9.42 9.38 9.33
11.0 10.9 10.8 10.8 10.7 10.7 10.6
7.27 7.19 7.13 7.07 7.02 6.97 6.93
8.61 8.52 8.46 8.39 8.34 8.29 8.24
W 33x169 x152 x141 x130 x118
8.30 8.27 8.23 8.20 8.15
9.26 9.23 9.19 9.15 9.11
6.60 6.55 6.51 6.47 6.43
7.55 7.51 7.47 7.43 7.39
W 30x477 x391 x326 x292 x261 x235 x211 x191 x173
9.30 9.11 8.96 8.88 8.81 8.75 8.71 8.66 8.62
10.6 10.4 10.2 10.2 10.1 10.0 9.97 9.92 9.87
7.02 6.83 6.68 6.61 6.53 6.47 6.42 6.37 6.32
8.35 8.13 7.96 7.88 7.79 7.73 7.67 7.62 7.57
W 30x148 x132 x124 x116 x108 x 99 x 90
7.53 7.49 7.47 7.44 7.41 7.37 7.35
8.40 8.37 8.34 8.31 8.28 8.25 8.22
5.99 5.93 5.90 5.88 5.84 5.81 5.79
6.86 6.81 6.78 6.75 6.72 6.68 6.66
PA G E 63
M AT E R I A L S
Surface Areas and Box Areas W shapes (Square feet per foot of length) Case A
Shape perimeter, minus one flange surface. Shape perimeter. Box perimeter, equal to one flange surface plus twice the depth. Box perimeter, equal to two flange surfaces plus twice the depth.
Shape perimeter, minus one flange surface. Shape perimeter. Box perimeter, equal to one flange surface plus twice the depth. Box perimeter, equal to two flange surfaces plus twice the depth.
Surface Areas and Box Areas W shapes (Square feet per foot of length) Case A
Case B
Case C
Case D
Designation
Case B
Case C
Case D
Designation
W 12x35 x30 x26
3.63 3.60 3.58
4.18 4.14 4.12
2.63 2.60 2.58
3.18 3.14 3.12
W 12x22 x19 x16 x14
2.97 2.95 2.92 2.90
3.31 3.28 3.25 3.23
2.39 2.36 2.33 2.32
2.72 2.69 2.66 2.65
W 10x112 x100 x88 x77 x68 x60 x54 x49
4.30 4.25 4.20 4.15 4.12 4.08 4.06 4.04
5.17 5.11 5.06 5.00 4.96 4.92 4.89 4.87
2.76 2.71 2.66 2.62 2.58 2.54 2.52 2.50
3.63 3.57 3.52 3.47 3.42 3.38 3.35 3.33
W 10x45 x39 x33
3.56 3.53 3.49
4.23 4.19 4.16
2.35 2.32 2.29
3.02 2.98 2.95
W 10x30 x26 x22
3.10 3.08 3.05
3.59 3.56 3.53
2.23 2.20 2.17
2.71 2.68 2.65
W 10x19 x17 x15 x12
2.63 2.60 2.58 2.56
2.96 2.94 2.92 2.89
2.04 2.02 2.00 1.98
2.38 2.35 2.33 2.31
W 8x67 x58 x48 x40 x35 x31
3.42 3.37 3.32 3.28 3.25 3.23
4.11 4.06 4.00 3.95 3.92 3.89
2.19 2.14 2.09 2.05 2.02 2.00
2.88 2.83 2.77 2.72 2.69 2.67
W 8x28 x24
2.87 2.85
3.42 3.39
1.89 1.86
2.43 2.40
Case A: Case B: Case C: Case D:
Case A
Shape perimeter, minus one flange surface. Shape perimeter. Box perimeter, equal to one flange surface plus twice the depth. Box perimeter, equal to two flange surfaces plus twice the depth.