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Wide Flange Steel I Beam: W12 × 22
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W12 × 22
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in a single span, the maximum displacement w_max and the maximum normal stress stress_max occur at the center of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 156 in4) for the W12 × 22 Wide Flange Steel I Beam and the typical Young's modulus (E = 3.046 × 107 psi) of steels. Note that the typical yielding stress Yield of steels can range from 1.015 × 104 to 2.970 × 105 psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.

Note: The weight of the beam itself is not included in the calculation.
L = 3 ft
L = 5 ft
L = 10 ft
L = 15 ft
L = 20 ft
L = 25 ft
L = 30 ft
L = 40 ft
L = 50 ft
L = 60 ft
L = 70 ft
L = 80 ft
L = 90 ft
L = 100 ft
   
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 8.44 × 10-6 11.7
30.0 1.15 × 10-5 16.0
40.0 1.53 × 10-5 21.3
50.0 1.92 × 10-5 26.6
60.0 2.30 × 10-5 32.0
70.0 2.68 × 10-5 37.3
80.0 3.07 × 10-5 42.6
90.0 3.45 × 10-5 47.9
100 3.84 × 10-5 53.3
200 7.67 × 10-5 107
300 1.15 × 10-4 160
400 1.53 × 10-4 213
500 1.92 × 10-4 266
600 2.30 × 10-4 320
700 2.68 × 10-4 373
800 3.07 × 10-4 426
900 3.45 × 10-4 479
1000 3.84 × 10-4 533
2000 7.67 × 10-4 1070
3000 0.00115 1600
4000 0.00153 2130
5000 0.00192 2660
6000 0.00230 3200
7000 0.00268 3730
8000 0.00307 4260
9000 0.00345 4790
1.00 × 104 0.00384 5330
2.00 × 104 0.00767 1.07 × 104
3.00 × 104 0.0115 1.60 × 104
4.00 × 104 0.0153 2.13 × 104
5.00 × 104 0.0192 2.66 × 104
6.00 × 104 0.0230 3.20 × 104
7.00 × 104 0.0268 3.73 × 104
8.00 × 104 0.0307 4.26 × 104
9.00 × 104 0.0345 4.79 × 104
1.00 × 105 0.0384 5.33 × 104
2.00 × 105 0.0767 1.07 × 105
3.00 × 105 0.115 1.60 × 105
4.00 × 105 0.153 2.13 × 105
5.00 × 105 0.192 2.66 × 105
5.58 × 105 0.214 2.97 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 6.51 × 10-5 32.6
30.0 8.88 × 10-5 44.4
40.0 1.18 × 10-4 59.2
50.0 1.48 × 10-4 74.0
60.0 1.78 × 10-4 88.8
70.0 2.07 × 10-4 104
80.0 2.37 × 10-4 118
90.0 2.66 × 10-4 133
100 2.96 × 10-4 148
200 5.92 × 10-4 296
300 8.88 × 10-4 444
400 0.00118 592
500 0.00148 740
600 0.00178 888
700 0.00207 1040
800 0.00237 1180
900 0.00266 1330
1000 0.00296 1480
2000 0.00592 2960
3000 0.00888 4440
4000 0.0118 5920
5000 0.0148 7400
6000 0.0178 8880
7000 0.0207 1.04 × 104
8000 0.0237 1.18 × 104
9000 0.0266 1.33 × 104
1.00 × 104 0.0296 1.48 × 104
2.00 × 104 0.0592 2.96 × 104
3.00 × 104 0.0888 4.44 × 104
4.00 × 104 0.118 5.92 × 104
5.00 × 104 0.148 7.40 × 104
6.00 × 104 0.178 8.88 × 104
7.00 × 104 0.207 1.04 × 105
8.00 × 104 0.237 1.18 × 105
9.00 × 104 0.266 1.33 × 105
1.00 × 105 0.296 1.48 × 105
2.00 × 105 0.592 2.96 × 105
2.01 × 105 0.594 2.97 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.00104 130
30.0 0.00142 178
40.0 0.00189 237
50.0 0.00237 296
60.0 0.00284 355
70.0 0.00331 414
80.0 0.00379 473
90.0 0.00426 533
100 0.00474 592
200 0.00947 1180
300 0.0142 1780
400 0.0189 2370
500 0.0237 2960
600 0.0284 3550
700 0.0331 4140
800 0.0379 4730
900 0.0426 5330
1000 0.0474 5920
2000 0.0947 1.18 × 104
3000 0.142 1.78 × 104
4000 0.189 2.37 × 104
5000 0.237 2.96 × 104
6000 0.284 3.55 × 104
7000 0.331 4.14 × 104
8000 0.379 4.73 × 104
9000 0.426 5.33 × 104
1.00 × 104 0.474 5.92 × 104
2.00 × 104 0.947 1.18 × 105
3.00 × 104 1.42 1.78 × 105
4.00 × 104 1.89 2.37 × 105
5.00 × 104 2.37 2.96 × 105
5.02 × 104 2.38 2.97 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.00527 293
30.0 0.00719 399
40.0 0.00959 533
50.0 0.0120 666
60.0 0.0144 799
70.0 0.0168 932
80.0 0.0192 1070
90.0 0.0216 1200
100 0.0240 1330
200 0.0479 2660
300 0.0719 3990
400 0.0959 5330
500 0.120 6660
600 0.144 7990
700 0.168 9320
800 0.192 1.07 × 104
900 0.216 1.20 × 104
1000 0.240 1.33 × 104
2000 0.479 2.66 × 104
3000 0.719 3.99 × 104
4000 0.959 5.33 × 104
5000 1.20 6.66 × 104
6000 1.44 7.99 × 104
7000 1.68 9.32 × 104
8000 1.92 1.07 × 105
9000 2.16 1.20 × 105
1.00 × 104 2.40 1.33 × 105
2.00 × 104 4.79 2.66 × 105
2.23 × 104 5.35 2.97 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.0167 521
30.0 0.0227 710
40.0 0.0303 947
50.0 0.0379 1180
60.0 0.0455 1420
70.0 0.0530 1660
80.0 0.0606 1890
90.0 0.0682 2130
100 0.0758 2370
200 0.152 4730
300 0.227 7100
400 0.303 9470
500 0.379 1.18 × 104
600 0.455 1.42 × 104
700 0.530 1.66 × 104
800 0.606 1.89 × 104
900 0.682 2.13 × 104
1000 0.758 2.37 × 104
2000 1.52 4.73 × 104
3000 2.27 7.10 × 104
4000 3.03 9.47 × 104
5000 3.79 1.18 × 105
6000 4.55 1.42 × 105
7000 5.30 1.66 × 105
8000 6.06 1.89 × 105
9000 6.82 2.13 × 105
1.00 × 104 7.58 2.37 × 105
1.25 × 104 9.51 2.97 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.0407 814
30.0 0.0555 1110
40.0 0.0740 1480
50.0 0.0925 1850
60.0 0.111 2220
70.0 0.129 2590
80.0 0.148 2960
90.0 0.166 3330
100 0.185 3700
200 0.370 7400
300 0.555 1.11 × 104
400 0.740 1.48 × 104
500 0.925 1.85 × 104
600 1.11 2.22 × 104
700 1.29 2.59 × 104
800 1.48 2.96 × 104
900 1.66 3.33 × 104
1000 1.85 3.70 × 104
2000 3.70 7.40 × 104
3000 5.55 1.11 × 105
4000 7.40 1.48 × 105
5000 9.25 1.85 × 105
6000 11.1 2.22 × 105
6650 12.3 2.46 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.0844 1170
30.0 0.115 1600
40.0 0.153 2130
50.0 0.192 2660
60.0 0.230 3200
70.0 0.268 3730
80.0 0.307 4260
90.0 0.345 4790
100 0.384 5330
200 0.767 1.07 × 104
300 1.15 1.60 × 104
400 1.53 2.13 × 104
500 1.92 2.66 × 104
600 2.30 3.20 × 104
700 2.68 3.73 × 104
800 3.07 4.26 × 104
900 3.45 4.79 × 104
1000 3.84 5.33 × 104
2000 7.67 1.07 × 105
3000 11.5 1.60 × 105
3210 12.3 1.71 × 105
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.267 2080
30.0 0.364 2840
40.0 0.485 3790
50.0 0.606 4730
60.0 0.727 5680
70.0 0.849 6630
80.0 0.970 7580
90.0 1.09 8520
100 1.21 9470
200 2.42 1.89 × 104
300 3.64 2.84 × 104
400 4.85 3.79 × 104
500 6.06 4.73 × 104
600 7.27 5.68 × 104
700 8.49 6.63 × 104
800 9.70 7.58 × 104
900 10.9 8.52 × 104
1000 12.1 9.47 × 104
1020 12.3 9.62 × 104
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 0.651 3260
30.0 0.888 4440
40.0 1.18 5920
50.0 1.48 7400
60.0 1.78 8880
70.0 2.07 1.04 × 104
80.0 2.37 1.18 × 104
90.0 2.66 1.33 × 104
100 2.96 1.48 × 104
200 5.92 2.96 × 104
300 8.88 4.44 × 104
400 11.8 5.92 × 104
416 12.3 6.15 × 104
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 1.35 4690
30.0 1.84 6390
40.0 2.45 8520
50.0 3.07 1.07 × 104
60.0 3.68 1.28 × 104
70.0 4.30 1.49 × 104
80.0 4.91 1.70 × 104
90.0 5.52 1.92 × 104
100 6.14 2.13 × 104
200 12.3 4.26 × 104
201 12.3 4.27 × 104
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 2.50 6380
30.0 3.41 8700
40.0 4.55 1.16 × 104
50.0 5.68 1.45 × 104
60.0 6.82 1.74 × 104
70.0 7.96 2.03 × 104
80.0 9.10 2.32 × 104
90.0 10.2 2.61 × 104
100 11.4 2.90 × 104
108 12.3 3.14 × 104
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 4.27 8330
30.0 5.82 1.14 × 104
40.0 7.76 1.52 × 104
50.0 9.70 1.89 × 104
60.0 11.6 2.27 × 104
63.5 12.3 2.40 × 104
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 6.84 1.05 × 104
30.0 9.32 1.44 × 104
39.6 12.3 1.90 × 104
Steel I Beam: W12 × 22 (Wide Flange 12 inch tall × 22 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
22.0 10.4 1.30 × 104
26.0 12.3 1.54 × 104
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