Steel / Flat web / PS 31

PS 31

Nucor Skyline PS series. Hot rolled steel, Flat web profile.

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PropertyImperialMetric
Width19.69 in500.1 mm
Thickness0.5 in12.7 mm
Weight of wall31 lb/ft²151.4 kg/m²
Moment of inertia5.3 in⁴ per sheet221 cm⁴ per sheet
Elastic section modulus3.3 in³ per sheet54 cm³ per sheet

Steel grade: A328, A572 Gr 50, A588, A690.

Maximum interlock strength 20 kips/in (3,500 kN/m); allowable interlock rotation 7.0°.

Source: Nucor Skyline Technical Product Manual, 2026 edition, p. 11. Confirm properties with the manufacturer before design.