Steel Section Catalog

HSS 406.4x12.7

AISC — Circular Hollow Section

Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.

The HSS 406.4x12.7 steel profile weighs 115.0 kg/m (77.28 lb/ft). Cross-sectional area: 14,628.1 mm². Moment of inertia Ix = 28,497.14 cm⁴, Iy = 28,497.14 cm⁴.

⌀406.4t=11.8
Cross-section (not to scale)

Dimensions

PropertyMetricImperial
Thickness (t)11.8 mm0.46 in
Diameter (d)406.4 mm16.00 in
Weight115.0 kg/m77.28 lb/ft

Section Properties

PropertyMetricImperial
Area (A)14,628.1 mm²22.674 in²
Moment of inertia (Ix)28,497.14 cm⁴684.64 in⁴
Moment of inertia (Iy)28,497.14 cm⁴684.64 in⁴
Elastic section modulus (Sx)1,402.42 cm³85.581 in³
Elastic section modulus (Sy)1,402.42 cm³85.581 in³
Plastic section modulus (Zx)1,837.92 cm³112.157 in³
Plastic section modulus (Zy)1,837.92 cm³112.157 in³
Radius of gyration (rx)13.96 cm5.496 in
Radius of gyration (ry)13.96 cm5.496 in
HSS 406.4x9.5HSS 508.0x12.7

Beam Calculator— HSS 406.4x12.7

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mfixed @ 0mfixed @ 6m→kN/m

Results — HSS 406.4x12.7

Mmax

15.0 kN·m

Vmax

15.0 kN

δmax

0.30 mm

L/20265

R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard: