W18X175 Dimensions & Weight

W18X175 is an AISC wide-flange (W) shape with an actual depth of 20.01 in and a 11.38 in wide flange, weighing 175 lb per foot — a size you will see on longer floor spans and transfer framing.

W18X175 Dimensions

PropertyImperialMetric
Depth (d)20.01 in508.3 mm
Flange width (bf)11.38 in288.9 mm
Cross-section area (A)51.3 in²331 cm²
Weight175 lb/ft260.4 kg/m

What does W18X175 cost?

At an example material price of $0.92/lb, W18X175 runs about $161 per foot, or roughly $3,220 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.