W30X90 Dimensions & Weight
W30X90 is an AISC wide-flange (W) shape with an actual depth of 29.53 in and a 10.4 in wide flange, weighing 90 lb per foot — a deep section used for girders, transfer beams, and long-span roof framing. It is the lightest of the 16 W30 sizes listed here.
W30X90 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 29.53 in | 750.1 mm |
| Flange width (bf) | 10.4 in | 264.2 mm |
| Cross-section area (A) | 26.4 in² | 170.3 cm² |
| Weight | 90 lb/ft | 133.9 kg/m |
What does W30X90 cost?
At an example material price of $0.92/lb, W30X90 runs about $82.80 per foot, or roughly $1,656 for a 20-ft length.
Example pricing only. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
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Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight