Appendix A: Geometric Properties of Standard Beams
- Page ID
- 145530
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A.1 Wide-Flange (W) Shapes. US Customary Units

|
Label |
Area, A (in.²) |
Depth, d (in.) |
Flange Width, bf (in.) |
Flange Thickness, tf (in.) |
Web Thickness, tw (in.) |
Ix (in.⁴) |
Sx (in.³) |
rx (in.) |
Iy (in.⁴) |
Sy (in.³) |
ry (in.) |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
W40×431 |
127.00 |
41.30 |
16.20 |
2.36 |
1.34 |
34,800.0 |
1,690.0 |
16.60 |
1,690.0 |
208.0 |
3.65 |
|
W40×297 |
87.30 |
39.80 |
15.80 |
1.65 |
0.93 |
23,200.0 |
1,170.0 |
16.30 |
1,090.0 |
138.0 |
3.54 |
|
W40×264 |
77.40 |
40.00 |
11.90 |
1.73 |
0.96 |
19,400.0 |
9,71.0 |
15.80 |
493.0 |
82.6 |
2.52 |
|
W36×487 |
143.00 |
39.30 |
17.10 |
2.68 |
1.50 |
36,000.0 |
1,830.0 |
15.80 |
2,250.0 |
263.0 |
3.96 |
|
W36×247 |
72.50 |
36.70 |
16.50 |
1.35 |
0.80 |
16,700.0 |
913.0 |
15.20 |
1,010.0 |
123.0 |
3.74 |
|
W36×210 |
61.90 |
36.70 |
12.20 |
1.36 |
0.83 |
13,200.0 |
719.0 |
14.60 |
411.0 |
67.5 |
2.58 |
|
W30×326 |
95.90 |
32.40 |
15.40 |
2.05 |
1.14 |
16,800.0 |
1,040.0 |
13.20 |
1,240.0 |
162.0 |
3.60 |
|
W30×173 |
50.90 |
30.40 |
15.00 |
1.07 |
0.66 |
8,230.0 |
541.0 |
12.70 |
598.0 |
79.8 |
3.42 |
|
W30×99 |
29.00 |
29.70 |
10.50 |
0.67 |
0.52 |
3,990.0 |
269.0 |
11.70 |
128.0 |
24.5 |
2.10 |
|
W24×279 |
81.90 |
26.70 |
13.30 |
2.09 |
1.16 |
9,600.0 |
718.0 |
10.80 |
823.0 |
124.0 |
3.17 |
|
W24×131 |
38.60 |
24.50 |
12.90 |
0.96 |
0.61 |
4,020.0 |
329.0 |
10.20 |
340.0 |
53.0 |
2.97 |
|
W24×84 |
24.70 |
24.10 |
9.02 |
0.77 |
0.47 |
2,370.0 |
196.0 |
9.79 |
94.4 |
20.9 |
1.95 |
|
W21×201 |
59.30 |
23.00 |
12.60 |
1.63 |
0.91 |
5,310.0 |
461.0 |
9.47 |
542.0 |
86.1 |
3.02 |
|
W21×122 |
35.90 |
21.70 |
12.40 |
0.96 |
0.60 |
2,960.0 |
273.0 |
9.09 |
305.0 |
49.2 |
2.92 |
|
W21×68 |
20.00 |
21.10 |
8.27 |
0.69 |
0.43 |
1,480.0 |
140.0 |
8.60 |
64.7 |
15.7 |
1.80 |
|
W18×130 |
38.30 |
19.30 |
11.20 |
1.20 |
0.67 |
2,460.0 |
256.0 |
8.03 |
278.0 |
49.9 |
2.70 |
|
W18×76 |
22.30 |
18.20 |
11.00 |
0.68 |
0.43 |
1,330.0 |
146.0 |
7.73 |
152.0 |
27.6 |
2.61 |
|
W18×40 |
11.80 |
17.90 |
6.02 |
0.53 |
0.32 |
612.0 |
68.4 |
7.21 |
19.1 |
6.35 |
1.27 |
|
W16×67 |
19.60 |
16.30 |
10.20 |
0.67 |
0.40 |
954.0 |
117.0 |
6.96 |
119.0 |
23.2 |
2.46 |
|
W16×40 |
11.80 |
16.00 |
7.00 |
0.51 |
0.31 |
518.0 |
64.7 |
6.63 |
28.9 |
8.25 |
1.57 |
|
W16×31 |
9.13 |
15.90 |
5.53 |
0.44 |
0.28 |
375.0 |
47.2 |
6.41 |
12.4 |
4.49 |
1.17 |
|
W14×90 |
26.50 |
14.00 |
14.50 |
0.71 |
0.44 |
999.0 |
143.0 |
6.14 |
362.0 |
49.9 |
3.70 |
|
W14×53 |
15.60 |
13.90 |
8.06 |
0.66 |
0.37 |
541.0 |
77.8 |
5.89 |
57.7 |
14.3 |
1.92 |
|
W14×34 |
10.00 |
14.00 |
6.75 |
0.46 |
0.29 |
340.0 |
48.6 |
5.83 |
23.3 |
6.91 |
1.53 |
|
W14×22 |
6.49 |
13.70 |
5.00 |
0.34 |
0.23 |
199.0 |
29.0 |
5.54 |
7.0 |
2.80 |
1.04 |
|
W12×106 |
31.20 |
12.90 |
12.20 |
0.99 |
0.61 |
933.0 |
145.0 |
5.47 |
301.0 |
49.3 |
3.11 |
|
W12×53 |
15.60 |
12.10 |
10.00 |
0.58 |
0.35 |
425.0 |
70.6 |
5.23 |
95.8 |
19.2 |
2.48 |
|
W12×50 |
14.60 |
12.20 |
8.08 |
0.64 |
0.37 |
391.0 |
64.2 |
5.18 |
56.3 |
13.9 |
1.51 |
|
W12×26 |
7.65 |
12.20 |
6.49 |
0.38 |
0.23 |
204.0 |
33.4 |
5.17 |
17.3 |
5.34 |
1.51 |
|
W12×22 |
6.48 |
12.30 |
4.03 |
0.43 |
0.26 |
156.0 |
25.4 |
4.91 |
7.0 |
2.80 |
1.04 |
|
W10×68 |
20.00 |
10.40 |
10.10 |
0.77 |
0.47 |
394.0 |
75.7 |
4.44 |
134.0 |
26.4 |
2.59 |
|
W10×39 |
11.50 |
9.92 |
7.99 |
0.53 |
0.32 |
209.0 |
42.1 |
4.27 |
45.0 |
11.3 |
1.98 |
|
W10×30 |
8.84 |
10.50 |
5.81 |
0.51 |
0.30 |
170.0 |
32.4 |
4.38 |
16.7 |
5.75 |
1.37 |
|
W10×19 |
5.62 |
10.20 |
4.02 |
0.40 |
0.25 |
96.3 |
18.8 |
4.14 |
4.29 |
2.14 |
0.87 |
|
W8×40 |
11.70 |
8.25 |
8.07 |
0.56 |
0.36 |
146.0 |
35.5 |
3.53 |
49.1 |
12.2 |
2.04 |
|
W8×31 |
9.12 |
8.00 |
8.00 |
0.44 |
0.29 |
110.0 |
27.5 |
3.47 |
37.1 |
9.27 |
2.02 |
|
W8×21 |
6.16 |
8.28 |
5.27 |
0.40 |
0.25 |
75.3 |
18.2 |
3.49 |
9.77 |
3.71 |
1.26 |
|
W8×13 |
3.84 |
7.99 |
4.00 |
0.26 |
0.23 |
39.6 |
9.91 |
3.21 |
2.73 |
1.37 |
0.84 |
A.2 Wide-Flange (W) Shapes. SI Units
|
Label |
Area, A (mm²) |
Depth, d (mm) |
Flange Width, bf (mm) |
Flange Thickness, tf (mm) |
Web Thickness, tw (mm) |
Ix (´10⁶ mm⁴) |
Sx (´10³ mm³) |
rx (mm) |
Iy (´10⁶ mm⁴) |
Sy (´10³ mm³) |
ry (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
W1000×642 |
81900 |
1050 |
411 |
59.9 |
34.0 |
14,500 |
27,700 |
422 |
703 |
3,410 |
92.7 |
|
W1000×443 |
56300 |
1010 |
401 |
41.9 |
23.6 |
9,660 |
19,200 |
414 |
454 |
2,260 |
89.9 |
|
W1000×393 |
49900 |
1020 |
302 |
43.9 |
24.4 |
8,070 |
15,900 |
401 |
205 |
1,350 |
64.0 |
|
W920×725 |
92300 |
998 |
434 |
68.1 |
38.1 |
15,000 |
30,000 |
401 |
937 |
4,310 |
101.0 |
|
W920×368 |
46800 |
932 |
419 |
34.3 |
20.3 |
6,950 |
15,000 |
386 |
420 |
2,020 |
95.0 |
|
W920×313 |
39900 |
932 |
310 |
34.5 |
21.1 |
5,490 |
11,800 |
371 |
171 |
1,110 |
65.5 |
|
W760×484 |
61900 |
823 |
391 |
29.0 |
52.1 |
6,990 |
17,000 |
335 |
516 |
2,650 |
91.4 |
|
W760×257 |
32800 |
772 |
381 |
27.2 |
16.6 |
3,430 |
8,870 |
323 |
249 |
1,310 |
86.9 |
|
W760×147 |
18700 |
754 |
267 |
17.0 |
13.2 |
1,660 |
4,410 |
297 |
53.3 |
401 |
53.3 |
|
W610×415 |
52800 |
678 |
338 |
53.1 |
29.5 |
4,000 |
11,800 |
274 |
343 |
2,030 |
80.5 |
|
W610×195 |
24900 |
622 |
328 |
24.4 |
15.4 |
1,670 |
5,390 |
259 |
142 |
869 |
75.4 |
|
W610×125 |
15900 |
612 |
229 |
19.6 |
11.9 |
986 |
3,210 |
249 |
39.3 |
342 |
49.5 |
|
W530×300 |
38300 |
584 |
320 |
41.4 |
23.1 |
2,210 |
7,550 |
241 |
226 |
1,410 |
76.7 |
|
W530×182 |
23200 |
551 |
315 |
24.4 |
15.2 |
1,230 |
4,470 |
231 |
127 |
806 |
74.2 |
|
W530×101 |
12900 |
536 |
210 |
17.4 |
11.0 |
616 |
2,290 |
218 |
26.9 |
257 |
45.7 |
|
W460×193 |
24700 |
490 |
284 |
30.5 |
17.0 |
1,020 |
4,200 |
204 |
116 |
818 |
68.6 |
|
W460×113 |
14400 |
462 |
279 |
17.3 |
10.8 |
554 |
2,390 |
196 |
63.3 |
452 |
66.3 |
|
W460×60 |
7610 |
455 |
153 |
8.0 |
13.3 |
255 |
1,120 |
183 |
7.95 |
104 |
32.3 |
|
W410×100 |
12600 |
414 |
259 |
16.9 |
10.0 |
397 |
1,920 |
177 |
49.5 |
380 |
62.5 |
|
W410×60 |
7610 |
406 |
178 |
12.8 |
7.8 |
216 |
1,060 |
168 |
12 |
135 |
39.9 |
|
W410×46.1 |
5890 |
404 |
140 |
11.2 |
7.0 |
156 |
773 |
163 |
5.16 |
73.6 |
29.7 |
|
W360×134 |
17100 |
356 |
368 |
18.0 |
11.2 |
416 |
2,340 |
156 |
151 |
818 |
94.0 |
|
W360×79 |
10100 |
353 |
205 |
16.8 |
9.4 |
225 |
1,270 |
150 |
24 |
234 |
48.8 |
|
W360×51 |
6450 |
356 |
171 |
11.6 |
7.2 |
142 |
796 |
148 |
9.70 |
113 |
38.9 |
|
W310×158 |
20100 |
328 |
310 |
25.1 |
15.5 |
388 |
2,380 |
139 |
125 |
808 |
79.0 |
|
W310×79 |
10100 |
307 |
254 |
14.6 |
8.8 |
177 |
1,160 |
133 |
39.9 |
315 |
63.0 |
|
W310×38.7 |
4940 |
310 |
165 |
9.7 |
5.8 |
64.9 |
547 |
131 |
7.20 |
87.5 |
38.4 |
A.3 WT Shapes. US Customary Units

|
Label |
Area, A (in.²) |
Depth, d (in.) |
Flange Width, bf (in.) |
Flange Thickness, tf (in.) |
Web Thickness, tw (in.) |
y_ (in. below top) |
Ix (in.⁴) |
Sx (in.³) |
rx (in.) |
Iy (in.⁴) |
Sy (in.³) |
ry (in.) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
WT22×184 |
54.00 |
22.20 |
16.00 |
2.17 |
1.22 |
5.57 |
2,380 |
143.0 |
6.64 |
675 |
84.4 |
3.54 |
|
WT22×145 |
42.60 |
21.80 |
15.80 |
1.58 |
0.865 |
5.26 |
1,830 |
111.0 |
6.54 |
521 |
65.9 |
3.49 |
|
WT22×115 |
33.90 |
21.50 |
15.80 |
1.22 |
0.710 |
5.17 |
1,440 |
88.6 |
6.53 |
398 |
50.5 |
3.43 |
|
WT18×143 |
42.00 |
18.90 |
12.30 |
1.93 |
1.06 |
5.02 |
1,360 |
98.0 |
5.69 |
301 |
48.9 |
2.68 |
|
WT18×105 |
30.90 |
18.30 |
12.20 |
1.36 |
0.830 |
4.87 |
985 |
73.1 |
5.65 |
206 |
33.8 |
2.58 |
|
WT18×85 |
25.00 |
18.10 |
12.00 |
1.10 |
0.680 |
4.73 |
786 |
58.9 |
5.61 |
160 |
26.6 |
2.53 |
|
WT15×117.5 |
34.70 |
15.70 |
15.10 |
1.50 |
0.830 |
3.41 |
674 |
55.1 |
4.41 |
427 |
5.8 |
3.51 |
|
WT15×74 |
21.80 |
15.30 |
10.50 |
1.18 |
0.650 |
3.84 |
466 |
40.6 |
4.63 |
114 |
21.7 |
2.28 |
|
WT15×58 |
17.10 |
15.00 |
10.50 |
0.85 |
0.565 |
3.94 |
373 |
33.7 |
4.67 |
82.1 |
15.6 |
2.19 |
|
WT13.5×89 |
26.30 |
13.90 |
14.10 |
1.19 |
0.725 |
3.04 |
414 |
38.2 |
3.97 |
278 |
39.4 |
3.25 |
|
WT13.5×57 |
16.80 |
13.60 |
10.10 |
0.93 |
0.570 |
3.42 |
289 |
28.3 |
4.15 |
79.3 |
15.8 |
2.18 |
|
WT13.5×47 |
13.80 |
13.50 |
10.00 |
0.75 |
0.490 |
3.41 |
239 |
23.8 |
4.16 |
62.0 |
12.4 |
2.12 |
|
WT12×73 |
21.50 |
12.40 |
12.90 |
1.09 |
0.650 |
2.66 |
264 |
27.2 |
3.50 |
195 |
30.3 |
3.01 |
|
WT12×52 |
15.30 |
12.00 |
12.80 |
0.75 |
0.500 |
2.59 |
189 |
20.0 |
3.51 |
130 |
20.3 |
2.91 |
|
WT12×42 |
12.40 |
12.10 |
9.02 |
0.77 |
0.470 |
2.97 |
166 |
18.3 |
3.67 |
47.2 |
10.5 |
1.95 |
|
WT10.5×66 |
19.40 |
10.90 |
12.40 |
1.04 |
0.650 |
2.33 |
181 |
21.1 |
3.06 |
166 |
26.7 |
2.93 |
|
WT10.5×50.5 |
14.90 |
10.70 |
12.30 |
0.80 |
0.500 |
2.18 |
135 |
15.8 |
3.01 |
124 |
20.2 |
2.89 |
|
WT10.5×34 |
10.00 |
10.60 |
8.27 |
0.51 |
0.430 |
2.59 |
103 |
12.9 |
3.20 |
32.4 |
7.83 |
1.80 |
|
WT9×79 |
23.20 |
9.86 |
11.30 |
1.44 |
0.810 |
2.17 |
160 |
20.8 |
2.63 |
174 |
30.7 |
2.74 |
|
WT9×53 |
15.60 |
9.37 |
11.20 |
0.94 |
0.590 |
1.97 |
104 |
14.1 |
2.59 |
110 |
19.7 |
2.66 |
|
WT9×38 |
11.10 |
9.11 |
11.00 |
0.68 |
0.425 |
1.80 |
71.8 |
9.83 |
2.54 |
76.2 |
13.8 |
2.61 |
|
WT7×88 |
25.90 |
7.61 |
15.70 |
1.31 |
0.830 |
1.43 |
80.5 |
13.0 |
1.76 |
419 |
53.5 |
4.02 |
|
WT7×60 |
17.70 |
7.24 |
14.70 |
0.94 |
0.590 |
1.24 |
51.7 |
8.61 |
1.71 |
247 |
33.7 |
3.74 |
|
WT7×41 |
12.00 |
7.16 |
10.10 |
0.86 |
0.510 |
1.39 |
41.2 |
7.14 |
1.85 |
74.1 |
14.6 |
2.48 |
|
WT5×44 |
13.00 |
5.42 |
10.30 |
0.99 |
0.605 |
1.06 |
20.8 |
4.77 |
1.27 |
89.9 |
17.4 |
2.63 |
|
WT5×30 |
8.84 |
5.11 |
10.10 |
0.68 |
0.420 |
0.88 |
12.9 |
3.04 |
1.21 |
58.1 |
11.5 |
2.57 |
|
WT5×15 |
4.42 |
5.24 |
5.81 |
0.51 |
0.300 |
1.10 |
9.28 |
2.24 |
1.45 |
8.35 |
2.87 |
1.37 |
A.4 WT Shapes. SI Units
|
Label |
Area, A (mm²) |
Depth, d (mm) |
Flange Width, bf (mm) |
Flange Thickness, tf (mm) |
Web Thickness, tw (mm) |
y_ (mm below top) |
Ix (´10⁶ mm⁴) |
Sx (´10³ mm³) |
rx (mm) |
Iy (´10⁶ mm⁴) |
Sy (´10³ mm³) |
ry (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
WT550×274 |
34800 |
564 |
406 |
50.0 |
27.9 |
141 |
991 |
2,340 |
169 |
281.6 |
1,380 |
89.9 |
|
WT550×216.5 |
27500 |
554 |
401 |
40.1 |
22.0 |
134 |
762 |
1,820 |
166 |
217 |
1,080 |
88.6 |
|
WT550×171.5 |
21900 |
546 |
401 |
31.0 |
18.0 |
131 |
599 |
1,450 |
166 |
166 |
828 |
87.1 |
|
WT460×212.5 |
27100 |
480 |
312 |
49.0 |
26.9 |
128 |
566 |
1,610 |
145 |
125 |
801 |
68.1 |
|
WT460×156.5 |
19900 |
465 |
310 |
34.5 |
21.1 |
124 |
410 |
1,200 |
144 |
85.7 |
554 |
65.5 |
|
WT460×126.5 |
16100 |
460 |
305 |
27.9 |
17.3 |
120 |
327 |
965 |
142 |
66.6 |
436 |
64.3 |
|
WT380×175 |
22400 |
399 |
384 |
38.1 |
21.1 |
86.6 |
281 |
903 |
112 |
178 |
931 |
89.2 |
|
WT380×110 |
14100 |
389 |
267 |
30.0 |
16.5 |
97.5 |
194 |
665 |
118 |
47.5 |
356 |
57.9 |
|
WT380×86.5 |
11000 |
381 |
267 |
21.6 |
14.4 |
100 |
155 |
552 |
119 |
34.2 |
256 |
55.6 |
|
WT345×132.5 |
17000 |
353 |
358 |
30.2 |
18.4 |
77.2 |
172 |
626 |
101 |
116 |
646 |
82.6 |
|
WT345×85 |
10800 |
345 |
257 |
23.6 |
14.5 |
86.9 |
120 |
464 |
105 |
33.0 |
259 |
55.4 |
|
WT345×70 |
8900 |
343 |
254 |
18.9 |
12.4 |
86.6 |
99.5 |
390 |
106 |
25.8 |
203 |
53.8 |
|
WT305×108.5 |
13900 |
315 |
328 |
27.7 |
16.5 |
67.6 |
110 |
446 |
88.9 |
81.2 |
497 |
76.5 |
|
WT305×77.5 |
9870 |
305 |
325 |
19.1 |
12.7 |
65.8 |
78.7 |
328 |
89.2 |
54.1 |
333 |
73.9 |
|
WT305×62.5 |
8000 |
307 |
229 |
19.6 |
11.9 |
75.4 |
69.1 |
300 |
93.2 |
19.6 |
172 |
49.5 |
|
WT265×98 |
12500 |
277 |
315 |
26.4 |
16.5 |
59.2 |
75.3 |
346 |
77.7 |
69.1 |
438 |
74.4 |
|
WT265×75 |
9610 |
272 |
312 |
20.3 |
12.7 |
55.4 |
56.2 |
259 |
76.5 |
51.6 |
331 |
73.4 |
|
WT265×50.5 |
6450 |
269 |
210 |
17.4 |
10.9 |
65.8 |
42.9 |
211 |
81.3 |
13.5 |
128 |
45.7 |
|
WT230×117.5 |
15000 |
250 |
287 |
36.6 |
20.6 |
55.1 |
66.6 |
341 |
66.8 |
72.4 |
503 |
69.6 |
|
WT230×79 |
10100 |
238 |
284 |
23.9 |
15.0 |
50.0 |
43.3 |
231 |
65.8 |
45.8 |
323 |
67.6 |
|
WT230×56.5 |
7160 |
231 |
279 |
17.3 |
10.8 |
45.7 |
29.9 |
161 |
64.5 |
31.7 |
226 |
66.3 |
|
WT180×131 |
16700 |
193 |
399 |
33.3 |
21.1 |
36.3 |
33.5 |
213 |
44.7 |
174 |
877 |
102.0 |
|
WT180×89.5 |
11400 |
184 |
373 |
23.9 |
15.0 |
31.5 |
21.5 |
141 |
43.4 |
103 |
552 |
95.0 |
|
WT180×61 |
7740 |
182 |
257 |
21.7 |
13.0 |
35.3 |
17.1 |
117 |
47.0 |
30.8 |
239 |
63.0 |
|
WT125×65.5 |
8390 |
138 |
262 |
25.1 |
15.4 |
26.9 |
8.66 |
78.2 |
32.3 |
37.2 |
285 |
66.8 |
|
WT125×44.5 |
5700 |
130 |
257 |
17.3 |
10.7 |
22.5 |
5.37 |
49.8 |
30.7 |
24.2 |
188 |
65.3 |
|
WT125×224 |
2850 |
133 |
148 |
13.0 |
7.62 |
27.9 |
3.86 |
36.7 |
36.8 |
3.48 |
47.0 |
34.8 |
References
Table data
Copyright © American Institute of Steel Construction Reprinted with permission. All rights reserved.
Figures
All figures in this appendix were created by Kindred Grey in 2025 and released under a CC BY license.


