StructureCalcsWT7X17
Structural Tee (from W) · AISC Shapes Database v15.0 · United States
WT7X17 is a structural tee cut from a W-shape 177.6 mm deep with a 171.5 mm wide flange, weighing 25.3 kg/m. The dimensions below are the published AISC Shapes Database v15.0 values; the drawing is generated from them.
WT tees are W-shapes split at mid-depth — common truss chords and hangers, tabulated for the cut section.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 177.6 mm | 6.99 in |
| Flange width, bf | 171.5 mm | 6.75 in |
| Flange thickness, tf | 11.6 mm | 0.455 in |
| Web thickness, tw | 7.2 mm | 0.285 in |
| Mass per metre | 25.3 kg/m | 17.0 lb/ft |
| Area, A | 3,226 mm² | 5.00 in² |
| Second moment, Ix | 8,699,237 mm⁴ | 20.9 in⁴ |
| Second moment, Iy | 4,828,285 mm⁴ | 11.6 in⁴ |
Derived section properties
Integrated from a square-cornered outline — the fillet radii this family really has are not drawn, so the computed values differ slightly from published. For WT7X17 the computed area is 1.30% from published and Ix 0.25%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Sx | 62,762 mm³ |
| Elastic modulus, Sy | 56,696 mm³ |
| Plastic modulus, Zx | 110,309 mm³ |
| Plastic modulus, Zy | 87,127 mm³ |
| Radius of gyration, rx | 52.2 mm |
| Radius of gyration, ry | 39.1 mm |
S is the elastic modulus and Z the plastic modulus, following AISC 360. Australian and British practice reverse the letters.
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