L3-1/2X3-1/2X5/16 Dimensions & Weight
L3-1/2X3-1/2X5/16 is an equal-leg steel angle with equal 3-1/2 in legs and a 5/16 in thickness, weighing 7.2 lb per foot — a stock size for lintels, frames, bracing, and heavier connection material.
L3-1/2X3-1/2X5/16 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Leg 1 | 3-1/2 in | 88.9 mm |
| Leg 2 | 3-1/2 in | 88.9 mm |
| Thickness | 5/16 in | 7.9 mm |
| Cross-section area (A)computed from weight and steel density | 2.12 in² | 13.7 cm² |
| Weight | 7.2 lb/ft | 10.7 kg/m |
What does L3-1/2X3-1/2X5/16 cost?
At an example material price of $0.92/lb, L3-1/2X3-1/2X5/16 runs about $6.62 per foot, or roughly $132 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 L3-1/2X3-1/2X5/16s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.
Related sizes
Deeper reading: AISC Shape Database Guide · How to calculate steel weight