L7X4X7/16
L · AISC Shapes Database v15.0 · United States
L7X4X7/16 is a l 177.8 mm deep with a 101.6 mm flange, weighing 23.4 kg/m. The dimensions below are the published AISC Shapes Database v15.0 values; the drawing is generated from them.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 177.8 mm | 7.00 in |
| Flange width, bf | 101.6 mm | 4.00 in |
| Flange thickness, tf | — mm | — in |
| Web thickness, tw | 11.1 mm | 0.438 in |
| Mass per metre | 23.4 kg/m | 15.7 lb/ft |
| Area, A | 2,987 mm² | 4.63 in² |
| Second moment, Ix | 9,823,062 mm⁴ | 23.6 in⁴ |
| Second moment, Iy | 2,409,980 mm⁴ | 5.8 in⁴ |
Derived section properties
Integrated from a square-cornered outline: no root radius is published for this standard, and that is material a rolled section really has, so these run slightly below the published values. For L7X4X7/16 the computed area is 0.04% from published and Ix 0.36%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Zx | 84,256 mm³ |
| Elastic modulus, Zy | 30,790 mm³ |
| Plastic modulus, Sx | 149,101 mm³ |
| Plastic modulus, Sy | 55,233 mm³ |
| Radius of gyration, rx | 57.5 mm |
| Radius of gyration, ry | 28.5 mm |
| Principal maximum, Imax (derived) | 10,810,622 mm⁴ |
| Principal minimum, Imin (derived) | 1,477,089 mm⁴ |
| Principal axis angle, θp | 18.6° |
Z is the elastic modulus and S the plastic modulus, following AS 4100. Under AISC 360 the letters are reversed — S is elastic and Z is plastic.
Neighbouring sizes
Where these numbers come from
Published AISC Shapes Database v15.0 values. How StructureCalcs verifies its numbers · Understanding steel section properties · Query this section over the API