StructureCalcs

W40X392

Wide-Flange Beam · AISC Shapes Database v15.0 · United States

W40X392 is a wide-flange beam 1,056.6 mm deep with a 315.0 mm flange, weighing 583.4 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

PropertyMetricImperial
Depth, d1,056.6 mm41.60 in
Flange width, bf315.0 mm12.40 in
Flange thickness, tf64.0 mm2.520 in
Web thickness, tw36.1 mm1.420 in
Mass per metre583.4 kg/m392.0 lb/ft
Area, A74,839 mm²116.00 in²
Second moment, Ix12,445,319,637 mm⁴29,900.0 in⁴
Second moment, Iy334,233,835 mm⁴803.0 in⁴

Derived section properties

Integrated from the section's own outline including the root and toe radii, whose arcs are integrated analytically rather than approximated by facets. For W40X392 the computed area agrees with the published value to better than 0.01% and Ix to 0.97%. Where a value is also published, the published one above is the one to quote.

PropertyValue
Elastic modulus, Zx23,785,017 mm³
Elastic modulus, Zy2,144,224 mm³
Plastic modulus, Sx28,254,634 mm³
Plastic modulus, Sy3,503,234 mm³
Radius of gyration, rx409.8 mm
Radius of gyration, ry67.2 mm

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