W12X170 Dimensions & Weight

W12X170 is an AISC wide-flange (W) shape with an actual depth of 14.03 in and a 12.57 in wide flange, weighing 170 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.

W12X170 Dimensions

Property	Imperial	Metric
Depth (d)	14.03 in	356.4 mm
Flange width (bf)	12.57 in	319.3 mm
Cross-section area (A)	50 in²	322.6 cm²
Weight	170 lb/ft	253 kg/m

What does W12X170 cost?

At an example material price of $0.92/lb, W12X170 runs about $156 per foot, or roughly $3,128 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.

Counting W12X170s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.

Related sizes

W12X1414 lb/ft
W12X1616 lb/ft
W12X1919 lb/ft
W12X2222 lb/ft
W12X2626 lb/ft
W12X3030 lb/ft
W12X3535 lb/ft
W12X4040 lb/ft

Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight