6061-T6 Aluminum Association "I" Beam 
ASTM B308 supersedes Federal Spec QQ-A-200/8/16
Used structurally, excellent welding,
very strong
25-foot lengths
|
SIZE A X B
INCHES |
T - 1
INCHES |
T - 2
INCHES |
R
INCHES |
LBS PER
FOOT |
LBS PER
LENGTH |
|
3 X 2.500
|
0.130
|
0.200
|
0.250
|
1.637
|
40.93
|
|
3 X 2.500
|
0.150
|
0.260
|
0.250
|
2.030
|
50.75
|
|
4 X 3.000
|
0.150
|
0.230
|
0.250
|
2.310
|
57.75
|
|
4 X 3.000
|
0.170
|
0.290
|
0.300
|
2.790
|
69.75
|
|
5 X 3.500
|
0.190
|
0.320
|
0.300
|
3.775
|
94.38
|
|
6 X 4.000
|
0.190
|
0.290
|
0.300
|
4.030
|
101.00
|
|
6 X 4.000
|
0.210
|
0.350
|
0.300
|
4.690
|
117.25
|
|
7 X 4.500
|
0.230
|
0.380
|
0.300
|
4.800
|
145.00
|
|
8 X 5.000
|
0.230
|
0.350
|
0.300
|
6.180
|
154.53
|
|
8 X 5.000
|
0.250
|
0.410
|
0.300
|
7.023
|
175.60
|
|
9 X 5.500
|
0.270
|
0.440
|
0.300
|
8.361
|
209.03
|
|
10 X 6.000
|
0.250
|
0.410
|
0.400
|
8.647
|
216.18
|
|
10 X 6.000
|
0.290
|
0.500
|
0.400
|
10.286
|
257.15
|
|
12 X 7.000
|
0.290
|
0.470
|
0.400
|
11.909
|
297.73
|
|
12 X 7.000
|
0.310
|
0.620
|
0.400
|
14.292
|
357.30
|