Desig-
nation 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
Area
Depth
Web
Flange
Distance
Grip
Max.
Flge.
Fas-
tener
A
d
Thickness
tw
tw
2
Width
bf
Thickness
tf
T 
k 
in.2
in.
in.
in.
in.
in.
in.
in.
in.
in.
in.
in.
in
C15x50*
C15x40*
C15x33.9*
 *
C12x30*
C12x25*
C12x20.7*
 *
C10x30*
C10x25*
C10x20*
C10x15.3*
 *
C9x20*
C9x15*
C9x13.4*
 *
C8x18.75*
C8x13.75*
C8x11.5*
 *
C7x12.25*
C7x9.8*
 *
C6x13*
C6x10.5*
C6x8.2*
 *
C5x9*
C5x6.7*
 *
C4x7.25*
C4x5.4*
 *
C3x6*
C3x5*
C3x4.1*
 *
14.7
15.00
0.716
11/16
3/8
3.716
33/4
0.650
5/8
121/8
17/16
5/8
1
11.8
15.00
0.520
1/2
1/4
3.520
31/2
0.650
5/8
121/8
17/16
5/8
1
9.96
15.00
0.400
3/8
3/16
3.400
33/8
0.650
5/8
121/8
17/16
5/8
1
 
 
 
 
 
 
 
 
 
 
 
 
 
8.82
12.00
0.510
1/2
1/4
3.170
31/8
0.501
1/2
93/4
11/8
1/2
7/8
7.35
12.00
0.387
3/8
3/16
3.047
3
0.501
1/2
93/4
11/8
1/2
7/8
6.09
12.00
0.282
5/16
1/8
2.942
3
0.501
1/2
93/4
11/8
1/2
7/8
 
 
 
 
 
 
 
 
 
 
 
 
 
8.82
10.00
0.673
11/16
5/16
3.033
3
0.436
7/16
8
1
7/16
3/4
7.35
10.00
0.526
1/2
1/4
2.886
27/8
0.436
7/16
8
1
7/16
3/4
5.88
10.00
0.379
3/8
3/16
2.739
23/4
0.436
7/16
8
1
7/16
3/4
4.49
10.00
0.240
1/4
1/8
2.600
25/8
0.436
7/16
8
1
7/16
3/4
 
 
 
 
 
 
 
 
 
 
 
 
 
5.88
9.00
0.448
7/16
1/4
2.648
25/8
0.413
7/16
71/8
15/16
7/16
3/4
4.41
9.00
0.285
5/16
1/8
2.485
21/2
0.413
7/16
71/8
15/16
7/16
3/4
3.94
9.00
0.233
1/4
1/8
2.433
23/8
0.413
7/16
71/8
15/16
7/16
3/4
 
 
 
 
 
 
 
 
 
 
 
 
 
5.51
8.00
0.487
1/2
1/4
2.527
21/2
0.390
3/8
61/8
15/16
3/8
3/4
4.04
8.00
0.303
5/16
1/8
2.343
23/8
0.390
3/8
61/8
15/16
3/8
3/4
3.38
8.00
0.220
1/4
1/8
2.260
21/4
0.390
3/8
61/8
15/16
3/8
3/4
 
 
 
 
 
 
 
 
 
 
 
 
 
3.60
7.00
0.314
5/16
3/16
2.194
21/4
0.366
3/8
51/4
7/8
3/8
5/8
2.87
7.00
0.210
3/16
1/8
2.090
21/8
0.366
3/8
51/4
7/8
3/8
5/8
 
 
 
 
 
 
 
 
 
 
 
 
 
3.83
6.00
0.437
7/16
3/16
2.157
21/8
0.343
5/16
43/8
13/16
5/16
5/8
3.09
6.00
0.314
5/16
3/16
2.034
2
0.343
5/16
43/8
13/16
3/8
5/8
2.40
6.00
0.200
3/16
1/8
1.920
17/8
0.343
5/16
43/8
13/16
5/16
5/8
 
 
 
 
 
 
 
 
 
 
 
 
 
2.64
5.00
0.325
5/16
3/16
1.885
17/8
0.320
5/16
31/2
3/4
5/16
5/8
1.97
5.00
0.190
3/16
1/8
1.750
13/4
0.320
5/16
31/2
3/4
-
-
 
 
 
 
 
 
 
 
 
 
 
 
 
2.13
4.00
0.321
5/16
3/16
1.721
13/4
0.296
5/16
25/8
11/16
5/16
5/8
1.59
4.00
0.184
3/16
1/16
1.584
15/8
0.296
5/16
25/8
11/16
-
-
 
 
 
 
 
 
 
 
 
 
 
 
 
1.76
3.00
0.356
3/8
3/16
1.596
15/8
0.273
1/4
15/8
11/16
-
-
1.47
3.00
0.258
1/4
1/8
1.498
11/2
0.273
1/4
15/8
11/16
-
-
1.21
3.00
0.170
3/16
1/16
1.410
13/8
0.273
1/4
15/8
11/16
-
-
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