Steel Section Catalog

RHS 300x200x6

EN — Rectangular Hollow Section

Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.

The RHS 300x200x6 steel profile weighs 44.5 kg/m (29.90 lb/ft), has a depth of 300 mm (11.81 in), flange width 200 mm (7.87 in). Cross-sectional area: 5,856 mm². Moment of inertia Ix = 7,575.67 cm⁴, Iy = 4,052.79 cm⁴.

h=300b=200t=6
Cross-section (not to scale)
Gauge equivalent: 6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

PropertyMetricImperial
Depth (h)300 mm11.81 in
Width (b)200 mm7.87 in
Thickness (t)6 mm0.24 in
Fillet radius (r)12 mm0.47 in
Weight44.5 kg/m29.90 lb/ft

Section Properties

PropertyMetricImperial
Area (A)5,856 mm²9.077 in²
Moment of inertia (Ix)7,575.67 cm⁴182.01 in⁴
Moment of inertia (Iy)4,052.79 cm⁴97.37 in⁴
Elastic section modulus (Sx)505.04 cm³30.820 in³
Elastic section modulus (Sy)405.28 cm³24.732 in³
Plastic section modulus (Zx)601.63 cm³36.714 in³
Plastic section modulus (Zy)455.23 cm³27.780 in³
Radius of gyration (rx)11.37 cm4.476 in
Radius of gyration (ry)8.32 cm3.276 in

Beam Calculator— RHS 300x200x6

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mfixed @ 0mfixed @ 6mkN/m

Results — RHS 300x200x6

Mmax

15.0 kN·m

Vmax

15.0 kN

δmax

1.11 mm

L/5387

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