S6X12.5 Dimensions & Weight
S6X12.5 is an AISC American Standard (S) beam with an actual depth of 6 in and a 3.3 in flange, weighing 12.5 lb per foot — commonly used for lintels, trimmers, and light framing. It is the lightest of the 2 S6 sizes listed here.
S6X12.5 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 6 in | 152.4 mm |
| Flange width (bf) | 3.33 in | 84.6 mm |
| Cross-section area (A) | 3.67 in² | 23.7 cm² |
| Weight | 12.5 lb/ft | 18.6 kg/m |
Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does S6X12.5 weigh and cost?
S6X12.5 weighs 12.5 lb per foot. At an example material price of $0.92/lb that is about $11.50 per foot. Set your quantity, length, and price to total your own run:
Material only, example pricing. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
Pricing more than one size? Build a full member list in the free calculator →
Stop counting S6X12.5s by hand.
Upload your drawing set and SteelFlo puts a box on every steel label it finds — every S6X12.5, on every page — ready to review and export as a bill of materials.
Related sizes
Deeper reading: AISC Shape Database Guide · How to calculate steel weight