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Wide Flange Steel I Beam: W10 × 49
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W10 × 49
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 = 272 in4) for the W10 × 49 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
  
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 1.08 × 10-5 12.1
50.0 1.10 × 10-5 12.4
60.0 1.32 × 10-5 14.9
70.0 1.54 × 10-5 17.3
80.0 1.76 × 10-5 19.8
90.0 1.98 × 10-5 22.3
100 2.20 × 10-5 24.8
200 4.40 × 10-5 49.5
300 6.60 × 10-5 74.3
400 8.80 × 10-5 99.1
500 1.10 × 10-4 124
600 1.32 × 10-4 149
700 1.54 × 10-4 173
800 1.76 × 10-4 198
900 1.98 × 10-4 223
1000 2.20 × 10-4 248
2000 4.40 × 10-4 495
3000 6.60 × 10-4 743
4000 8.80 × 10-4 991
5000 0.00110 1240
6000 0.00132 1490
7000 0.00154 1730
8000 0.00176 1980
9000 0.00198 2230
1.00 × 104 0.00220 2480
2.00 × 104 0.00440 4950
3.00 × 104 0.00660 7430
4.00 × 104 0.00880 9910
5.00 × 104 0.0110 1.24 × 104
6.00 × 104 0.0132 1.49 × 104
7.00 × 104 0.0154 1.73 × 104
8.00 × 104 0.0176 1.98 × 104
9.00 × 104 0.0198 2.23 × 104
1.00 × 105 0.0220 2.48 × 104
2.00 × 105 0.0440 4.95 × 104
3.00 × 105 0.0660 7.43 × 104
4.00 × 105 0.0880 9.91 × 104
5.00 × 105 0.110 1.24 × 105
6.00 × 105 0.132 1.49 × 105
7.00 × 105 0.154 1.73 × 105
8.00 × 105 0.176 1.98 × 105
9.00 × 105 0.198 2.23 × 105
1.00 × 106 0.220 2.48 × 105
1.20 × 106 0.264 2.97 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 8.32 × 10-5 33.7
50.0 8.49 × 10-5 34.4
60.0 1.02 × 10-4 41.3
70.0 1.19 × 10-4 48.2
80.0 1.36 × 10-4 55.0
90.0 1.53 × 10-4 61.9
100 1.70 × 10-4 68.8
200 3.39 × 10-4 138
300 5.09 × 10-4 206
400 6.79 × 10-4 275
500 8.49 × 10-4 344
600 0.00102 413
700 0.00119 482
800 0.00136 550
900 0.00153 619
1000 0.00170 688
2000 0.00339 1380
3000 0.00509 2060
4000 0.00679 2750
5000 0.00849 3440
6000 0.0102 4130
7000 0.0119 4820
8000 0.0136 5500
9000 0.0153 6190
1.00 × 104 0.0170 6880
2.00 × 104 0.0339 1.38 × 104
3.00 × 104 0.0509 2.06 × 104
4.00 × 104 0.0679 2.75 × 104
5.00 × 104 0.0849 3.44 × 104
6.00 × 104 0.102 4.13 × 104
7.00 × 104 0.119 4.82 × 104
8.00 × 104 0.136 5.50 × 104
9.00 × 104 0.153 6.19 × 104
1.00 × 105 0.170 6.88 × 104
2.00 × 105 0.339 1.38 × 105
3.00 × 105 0.509 2.06 × 105
4.00 × 105 0.679 2.75 × 105
4.32 × 105 0.733 2.97 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.00133 135
50.0 0.00136 138
60.0 0.00163 165
70.0 0.00190 193
80.0 0.00217 220
90.0 0.00244 248
100 0.00272 275
200 0.00543 550
300 0.00815 826
400 0.0109 1100
500 0.0136 1380
600 0.0163 1650
700 0.0190 1930
800 0.0217 2200
900 0.0244 2480
1000 0.0272 2750
2000 0.0543 5500
3000 0.0815 8260
4000 0.109 1.10 × 104
5000 0.136 1.38 × 104
6000 0.163 1.65 × 104
7000 0.190 1.93 × 104
8000 0.217 2.20 × 104
9000 0.244 2.48 × 104
1.00 × 104 0.272 2.75 × 104
2.00 × 104 0.543 5.50 × 104
3.00 × 104 0.815 8.26 × 104
4.00 × 104 1.09 1.10 × 105
5.00 × 104 1.36 1.38 × 105
6.00 × 104 1.63 1.65 × 105
7.00 × 104 1.90 1.93 × 105
8.00 × 104 2.17 2.20 × 105
9.00 × 104 2.44 2.48 × 105
1.00 × 105 2.72 2.75 × 105
1.08 × 105 2.93 2.97 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.00674 303
50.0 0.00687 310
60.0 0.00825 371
70.0 0.00962 433
80.0 0.0110 495
90.0 0.0124 557
100 0.0137 619
200 0.0275 1240
300 0.0412 1860
400 0.0550 2480
500 0.0687 3100
600 0.0825 3710
700 0.0962 4330
800 0.110 4950
900 0.124 5570
1000 0.137 6190
2000 0.275 1.24 × 104
3000 0.412 1.86 × 104
4000 0.550 2.48 × 104
5000 0.687 3.10 × 104
6000 0.825 3.71 × 104
7000 0.962 4.33 × 104
8000 1.10 4.95 × 104
9000 1.24 5.57 × 104
1.00 × 104 1.37 6.19 × 104
2.00 × 104 2.75 1.24 × 105
3.00 × 104 4.12 1.86 × 105
4.00 × 104 5.50 2.48 × 105
4.80 × 104 6.60 2.97 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.0213 539
50.0 0.0217 550
60.0 0.0261 660
70.0 0.0304 771
80.0 0.0348 881
90.0 0.0391 991
100 0.0435 1100
200 0.0869 2200
300 0.130 3300
400 0.174 4400
500 0.217 5500
600 0.261 6600
700 0.304 7710
800 0.348 8810
900 0.391 9910
1000 0.435 1.10 × 104
2000 0.869 2.20 × 104
3000 1.30 3.30 × 104
4000 1.74 4.40 × 104
5000 2.17 5.50 × 104
6000 2.61 6.60 × 104
7000 3.04 7.71 × 104
8000 3.48 8.81 × 104
9000 3.91 9.91 × 104
1.00 × 104 4.35 1.10 × 105
2.00 × 104 8.69 2.20 × 105
2.70 × 104 11.7 2.97 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.0520 843
50.0 0.0530 860
60.0 0.0637 1030
70.0 0.0743 1200
80.0 0.0849 1380
90.0 0.0955 1550
100 0.106 1720
200 0.212 3440
300 0.318 5160
400 0.424 6880
500 0.530 8600
600 0.637 1.03 × 104
700 0.743 1.20 × 104
800 0.849 1.38 × 104
900 0.955 1.55 × 104
1000 1.06 1.72 × 104
2000 2.12 3.44 × 104
3000 3.18 5.16 × 104
4000 4.24 6.88 × 104
5000 5.30 8.60 × 104
6000 6.37 1.03 × 105
7000 7.43 1.20 × 105
8000 8.49 1.38 × 105
9000 9.55 1.55 × 105
9410 9.98 1.62 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.108 1210
50.0 0.110 1240
60.0 0.132 1490
70.0 0.154 1730
80.0 0.176 1980
90.0 0.198 2230
100 0.220 2480
200 0.440 4950
300 0.660 7430
400 0.880 9910
500 1.10 1.24 × 104
600 1.32 1.49 × 104
700 1.54 1.73 × 104
800 1.76 1.98 × 104
900 1.98 2.23 × 104
1000 2.20 2.48 × 104
2000 4.40 4.95 × 104
3000 6.60 7.43 × 104
4000 8.80 9.91 × 104
4540 9.98 1.12 × 105
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.341 2160
50.0 0.348 2200
60.0 0.417 2640
70.0 0.487 3080
80.0 0.556 3520
90.0 0.626 3960
100 0.695 4400
200 1.39 8810
300 2.09 1.32 × 104
400 2.78 1.76 × 104
500 3.48 2.20 × 104
600 4.17 2.64 × 104
700 4.87 3.08 × 104
800 5.56 3.52 × 104
900 6.26 3.96 × 104
1000 6.95 4.40 × 104
1440 9.98 6.32 × 104
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 0.832 3370
50.0 0.849 3440
60.0 1.02 4130
70.0 1.19 4820
80.0 1.36 5500
90.0 1.53 6190
100 1.70 6880
200 3.39 1.38 × 104
300 5.09 2.06 × 104
400 6.79 2.75 × 104
500 8.49 3.44 × 104
588 9.98 4.04 × 104
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 1.72 4850
50.0 1.76 4950
60.0 2.11 5940
70.0 2.46 6930
80.0 2.82 7930
90.0 3.17 8920
100 3.52 9910
200 7.04 1.98 × 104
284 9.98 2.81 × 104
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 3.20 6610
50.0 3.26 6740
60.0 3.91 8090
70.0 4.56 9440
80.0 5.22 1.08 × 104
90.0 5.87 1.21 × 104
100 6.52 1.35 × 104
153 9.98 2.06 × 104
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 5.45 8630
50.0 5.56 8810
60.0 6.67 1.06 × 104
70.0 7.79 1.23 × 104
80.0 8.90 1.41 × 104
89.7 9.98 1.58 × 104
Steel I Beam: W10 × 49 (Wide Flange 10 inch tall × 49 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
49.0 8.73 1.09 × 104
50.0 8.91 1.11 × 104
56.0 9.98 1.25 × 104
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