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American Standard Wide Flange Beams , W Beam, W12x19
Wide Flange Beam Dimensions Chart for sizes, dimensions and section properties of steel wide flange beams. Wide flange beams are designated by the letter W followed by the nominal depth in inches and the weight in pounds per foot. Thus W12 × 19 designates a wide flange beam with a depth of 12 inches and a nominal weight of 19 pounds per foot.
| Metric | Imperial | Depth mm | Width mm | Thickness mm | Web Thickness mm | ||
| W100 x | 19 | W4 x | 13 | 106 | 103 | 8.8 | 7.1 |
| W130 x | 24 | W5 x– | 19 | 127–131 | 127–128 | 9.1–10.9 | 6.1–6.9 |
| W150 x | 13–37 | W6 x– | 8.5–25 | 148–162 | 100–154 | 4.9–11.6 | 4.3–8.1 |
| W200 x | 15–100 | W8 x– | 10–67 | 200–229 | 100–210 | 5.2–23.7 | 4.3–14.5 |
| W250 x | 18–167 | W10 x– | 12–112 | 251–289 | 101–265 | 5.3–31.8 | 4.8–19.2 |
| W310 x | 21–342 | W12 x– | 14–230 | 303–382 | 101–328 | 5.7–52.6 | 5.1–32.6 |
| W360 x | 33–1086 | W14 x– | 22–730 | 349–569 | 127–454 | 8.5–125 | 5.8–78 |
| W410 x | 39–149 | W16 x– | 26–100 | 399–431 | 140–265 | 8.8–25 | 6.4–14.9 |
| W460 x | 52–286 | W18 x– | 35–192 | 450–517 | 152–291 | 10.8–44.4 | 7.6–24.4 |
| W530 x | 66–248 | W21 x– | 44–166 | 525–571 | 165–315 | 11.4–34.5 | 18.9–19 |
| W610 x | 82–262 | W24 x– | 55–176 | 599–641 | 178–327 | 12.8–34 | 10–19 |
| W690 x | 125–289 | W27 x– | 84–194 | 678–714 | 253–356 | 16.3–34 | 11.7–19 |
| W760 x | 134–350 | W30 x– | 90–235 | 750–795 | 264–382 | 15.5–38.1 | 11.9–21.1 |
| W840 x | 176–359 | W33 x– | 118–241 | 835–868 | 292–403 | 18.8–35.6 | 14–21.1 |
| W920 x | 201–446 | W36 x– | 135–302 | 903–933 | 304–423 | 20.1–42.7 | 15.2–24 |
| W1000 x | 222–493 | W40 x– | 149–327 | 970–1036 | 300–308 | 21.1–54.1 | 16–30 |
Chemical Composition of ASTM A572 Steel
| Chemical Alloy | Grade 42 | Grade 50 | Grade 55 | Grade 60 | Grade 65 ≥ ½” thick | Grade 65 over ½” to 1 ¼” thick |
| C | 0.21% | 0.23% | 0.25% | 0.26% | 0.26% | 0.23% |
| Mn | 1.35% | 1.35% | 1.35% | 1.35% | 1.35% | 1.65% |
| P | 0.03% | 0.03% | 0.03% | 0.03% | 0.03% | 0.03% |
| S | 0.03% | 0.03% | 0.03% | 0.03% | 0.03% | 0.03% |
| Si | 0.15-0.40% | 0.15-0.40% | 0.15-0.40% | 0.40% | 0.40% | 0.40% |