Timothy A. Philpot - Mechanics of materials _ an integrated learning system-John Wiley (2017)

b f
d
ttf
f
X
Y
X
y–
t w
Y
Designation
Area
A
Depth
d
Web
thickness
t w
Flange
width
b f
Flange
thickness
t f
Centroid
y _ I x S x r x I y S y r y
mm 2 mm mm mm mm mm
10 6
mm 4 10 3
mm 3
mm
10 6
mm 4 10 3
mm 3
mm
WT305 × 70
305 × 56.5
305 × 50.5
305 × 41
8900
7230
6450
5230
310
305
302
300
13.1
11.2
10.5
10.0
230
228
228
178
22.2
17.3
14.9
12.8
75.9
76.2
77.7
88.9
77.4
62.9
57.0
48.7
333
277
256
231
93.2
93.5
94.0
96.5
22.7
17.2
14.7
6.04
197
150
129
68.0
50.3
48.8
47.5
34.0
WT265 × 50.5
265 × 46
265 × 37
265 × 33
6450
5890
4750
4190
269
267
264
262
10.9
10.2
9.65
8.89
210
209
166
165
17.4
15.6
13.6
11.4
65.8
65.5
74.4
75.7
42.9
39.0
33.4
29.6
211
195
175
159
81.3
81.5
83.8
84.1
13.5
11.9
5.20
4.29
128
114
62.6
52.1
45.7
45.0
33.0
32.0
WT230 × 41
230 × 37
230 × 30
230 × 26
5230
4730
3790
3320
230
229
227
225
9.91
9.02
8.00
7.62
191
191
153
152
16.0
14.5
13.3
10.8
54.9
53.8
58.2
60.7
24.8
22.3
18.6
16.7
141
128
110
102
68.8
68.6
70.1
70.9
9.37
8.32
3.98
3.19
97.8
87.7
51.9
42.0
42.4
41.9
32.3
31.0
WT205 × 42.5
205 × 37.5
205 × 30
205 × 23.05
5410
4750
3800
2940
209
207
203
202
10.9
9.65
7.75
6.99
181
180
178
140
18.2
16.0
12.8
11.2
49.3
48.0
46.0
51.3
20.3
17.6
13.8
11.4
127
111
87.7
76.0
61.2
61.0
60.2
62.2
8.99
7.74
5.99
2.58
99.3
86.2
67.5
36.7
40.6
40.4
39.6
29.7
816