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American Wide Flange Beams

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Properties of American Wide Flange Beams according ASTM A6 in metric units are indicated below.

For full table with Static Parameters - Moment of Inertia and Elastic Section Modulus - rotate the screen!

American Wide Flange Beams - Static Parameters
DesignationDimensionsStatic Parameters
Moment of InertiaElastic Section Modulus
Imperal
(in x in x lb/ft)		Metric
(mm x mm x kg/m)		Depth
- h -
(mm)		Width
- w -
(mm)		Web Thickness
- s -
(mm)		Flange Thickness
- f -
(mm)		Sectional Area
(cm2)		Weight
(kg/m)		Ix
(cm4)		Iy
(cm4)		Sx
(cm3)		Sy
(cm3)
W 4 x 4 x 13 W 100 x 100 x 19.3 106 103 7.1 8.8 24.7 19.3 475.9 160.6 89.9 31.2
                     
W 5 x 5 x 16 W 130 x 130 x 23.8 127 127 6.1 9.1 30.4 23.8 885.5 311 139.5 49
W 5 x 5 x 19 W 130 x 130 x 28.1 131 128 6.9 10.9 35.9 28.1 1099 381.4 167.7 59.6
                     
W 6 x 4 x  9 W 150 x 100 x 13.5 150 100 4.3 5.5 17.3 13.5 685.5 91.8 91.4 18.4
W 6 x 4 x 12 W 150 x 100 x 18.0 153 102 5.8 7.1 22.9 18 915.9 125.9 122.1 25.4
W 6 x 4 x 16 W 150 x 100 x 24.0 160 102 6.6 10.3 30.6 24 1342 182.6 167.8 35.8
                     
W 6 x 6 x 15 W 150 x 150 x 22.5 152 152 5.8 6.6 28.6 22.5 1206 386.6 158.6 50.9
W 6 x 6 x 20 W 150 x 150 x 29.8 157 153 6.6 9.3 37.9 29.8 1714 555.5 218.4 72.6
W 6 x 6 x 25 W 150 x 150 x 37.1 162 154 8.1 11.6 47.4 37.1 2220 706.8 274.1 91.8
                     
W 8 x 4 x 10  W 200 x 100 x 15.0 200 100 4.3 5.2 19.1 15 1280 86.9 128 17.4
W 8 x 4 x 13 W 200 x 100 x 19.3 203 102 5.8 6.5 24.8 19.3 1662 115.4 163.7 22.6
W 8 x 4 x 15 W 200 x 100 x 22.5 206 102 6.2 8.0 28.6 22.5 2004 142 194.5 27.8
                     
W 8 x 5.25 x 18 W 200 x 135 x 26.6 207 133 5.8 8.4 33.9 26.6 2587 329.8 250 49.6
W 8 x 5.25 x 21 W 200 x 135 x 31.3 210 134 6.4 10.2 39.7 31.3 3139 409.6 290 61.1
                     
W 8 x 6.5 x 24 W 200 x 165 x 35.9 201 165 6.2 10.2 45.7 35.9 3438 764.3 342.1 92.6
W 8 x 6.5 x 28 W 200 x 165 x 41.7 205 166 7.2 11.8 53.2 41.7 4088 900.5 399 108.5
                     
W 8 x 8 x 31 W 200 x 200 x 46.1 203 203 7.2 11.0 58.9 46.1 4545 1535 448 151.2
W 8 x 8 x 35 W 200 x 200 x 52 206 204 7.9 12.6 66.5 52 5268 1784 512 174.9
W 8 x 8 x 40 W 200 x 200 x 59 210 205 9.1 14.2 75.5 59 6113 2040 582 199.1
W 8 x 8 x 48 W 200 x 200 x 71 216 206 10.2 17.4 91 71 7658 2537 709 246.3
W 8 x 8 x 58 W 200 x 200 x 86 222 209 13 20.6 110 86 9467 3138 853 300.3
W 8 x 8 x 67 W 200 x 200 x 100 229 210 14.5 23.7 127 100 11325 3663 989 348.9
                     
W 10 x 4 x 12 W 250 x 100 x 17.9 251 101 4.8 5.3 22.8 17.9 2254 91.3 179.5 18.1
W 10 x 4 x 15 W 250 x 100 x 22.3 254 102 5.8 6.9 28.5 22.3 2901 122.6 228.4 24
W 10 x 4 x 17 W 250 x 100 x 25.3 257 102 6.1 8.4 32.2 25.3 3430 149.2 266.9 29.3
W 10 x 4 x 19 W 250 x 100 x 28.4 260 102 6.4 10.0 36.3 28.4 3998 177.5 307.5 34.8
                     
W 10 x 5.75 x 22 W 250 x 145 x 32.7 258 146 6.1 9.1 41.9 32.7 4895 472.6 379.4 64.7
W 10 x 5.75 x 26 W 250 x 145 x 38.5 262 147 6.6 11.2 49.1 38.5 6014 593.7 459.1 80.8
W 10 x 5.75 x 30 W 250 x 145 x 44.8 266 148 7.6 13.0 57 44.8 7118 703.5 535.2 95.1
                     
W 10 x 8 x 33 W 250 x 200 x 49.1 247 202 7.4 11.0 62.6 49.1 7069 1513 572.4 149.8
W 10 x 8 x 39 W 250 x 200 x 58 252 203 8.0 13.5 74.2 58 8736 1884 693.4 185.6
W 10 x 8 x 45 W 250 x 200 x 67 257 204 8.9 15.7 85.8 67 10360 2224 806.6 218
                     
W 10 x 10 x 49 W 250 x 250 x 73 253 254 8.6 14.2 92.9 73 11290 3880 892.1 305.5
W 10 x 10 x 54 W 250 x 250 x 80 256 255 9.4 15.6 102 80 12570 4314 982.4 338.3
W 10 x 10 x 60 W 250 x 250 x 89 260 256 10.7 17.3 114 89 14260 4841 1097 378.2
W 10 x 10 x 68 W 250 x 250 x 101 264 257 11.9 19.6 129 101 16380 5549 1241 431.9
W 10 x 10 x 77 W 250 x 250 x 115 269 259 13.5 22.1 146 115 18940 6405 1408 494.6
W 10 x 10 x 88 W 250 x 250 x 131 275 261 15.4 25.1 167 131 22150 7446 1611 570.6
W 10 x 10 x 100 W 250 x 250 x 149 282 263 17.3 28.4 190 149 25940 8622 1840 655.7
W 10 x 10 x 112 W 250 x 250 x 167 289 265 19.2 31.8 212 167 30020 9879 2078 745.6
                     
W 12 x 4 x 14 W 310 x 100 x 21 303 101 5.1 5.7 26.8 21 3708 98.3 244.8 19.5
W 12 x 4 x 16 W 310 x 100 x 23.8 305 101 5.6 6.7 30.4 23.8 4280 115.6 280.7 22.9
W 12 x 4 x 19 W 310 x 100 x 28.3 309 102 6.0 8.9 35.9 28.3 5431 158.1 351.5 31
W 12 x 4 x 22 W 310 x 100 x 32.7 313 102 6.6 10.8 41.8 32.7 6507 191.9 415.8 37.6
                     
W 12 x 6.5 x 26 W 310 x 165 x 38.7 310 165 5.8 9.7 49.4 38.7 8527 726.8 550.1 88.1
W 12 x 6.5 x 30 W 310 x 165 x 44.5 313 166 6.6 11.2 56.7 44.5 9934 854.7 634.8 103
W 12 x 6.5 x 35 W 310 x 165 x 52 317 167 7.6 13.2 66.5 52 11851 1026 747.7 122.9
                     
W 12 x 8 x 40 W 310 x 200 x 60 303 203 7.5 13.1 76.1 60 12860 1829 849 180.8
W 12 x 8 x 45 W 310 x 200 x 67 306 204 8.5 14.6 85.2 67 14510 2069 984 202.8
W 12 x 8 x 50 W 310 x 200 x 74 310 205 9.4 16.3 94.8 74 16450 2344 1061 228.7
                     
W 12 x 10 x 53 W 310 x 250 x 79 306 254 8.8 14.6 101 79 17670 3990 1155 314.2
W 12 x 10 x 58 W 310 x 250 x 86 310 254 9.1 16.3 110 86 19850 4455 1280 350.8
                     
W 12 x 12 x 65 W 310 x 310 x 97 308 305 9.9 15.4 123 97 22240 7286 1444 477.8
W 12 x 12 x 72 W 310 x 310 x 107 311 306 10.9 17.0 136 107 24790 8123 1594 530.9
W 12 x 12 x 79 W 310 x 310 x 117 314 307 11.9 18.7 150 117 27510 9024 1753 587.9
W 12 x 12 x 87 W 310 x 310 x 129 318 308 13.1 20.6 165 129 30770 10040 1935 651.9
W 12 x 12 x 96 W 310 x 310 x 143 323 309 14.0 22.9 182 143 34760 11270 2153 729.4
W 12 x 12 x 106 W 310 x 310 x 158 327 310 15.5 25.1 201 158 38630 12470 2363 804.8
W 12 x 12 x 120 W 310 x 310 x 179 333 313 18.0 28.1 228 179 44530 14380 2675 918.7
W 12 x 12 x 136 W 310 x 310 x 202 341 315 20.1 31.8 257 202 51982 16588 3049 1053
W 12 x 12 x 152 W 310 x 310 x 226 348 317 22.1 35.6 288 226 59560 18930 3423 1194
W 12 x 12 x 170 W 310 x 310 x 253 356 319 24.4 39.6 323 253 68230 21460 3833 1346
W 12 x 12 x 190 W 310 x 310 x 283 365 322 26.9 44.1 360 283 78680 24590 4311 1527
W 12 x 12 x 210 W 310 x 310 x 313 374 325 30.0 48.3 399 313 89560 27700 4789 1705
W 12 x 12 x 230 W 310 x 310 x 342 382 328 32.6 52.6 437 342 100510 31020 5262 1892
  • 1 cm4 = 104 mm4 = 10-8 m4 = 0.024 in4
  • 1 cm3 = 103 mm3 = 10-6 m3 = 0.061 in3
  • 1 cm2 = 102 mm2 = 10-4 m2 =  0.16 in2
  • 1 kg/m = 0.67 lb/ft

Example - Converting Moment of Inertia from cm4 to mm4

The Ix Moment of Inertia of beam W 12 x 12 x 230 is 100510 cm4. It can be converted to mm4 by multiplying with 104 as

(100510 cm4) (104 mm4/cm4) = 1005100000 mm4

                  = 1005 106 mm4

The standard method for specifying the dimensions of a American Wide Flange Beam is for example W 310 x 250 x 79, which is  310 mm deep, 250 mm wide and with a weight of 79 kg/m.

I-shaped cross-section beams:

  • Britain : Universal Beams (UB) and Universal Columns (UC)
  • Europe : IPE. HE. HL. HD and other sections
  • US : Wide Flange (WF) and H sections

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