RHS 350x230x8.8 V&M do Brasil · Weight & Dimensions

V&M do Brasil, hot-rolled sections · 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.

Also known as: PTR 350x230 (México) · Caño estructural 350x230 (Argentina)

The RHS 350x230x8.8 steel profile weighs 76.1 kg/m (51.17 lb/ft), has a depth of 350 mm (13.78 in), flange width 230 mm (9.06 in). Cross-sectional area: 9,698.815 mm². Moment of inertia Ix = 16,571.541 cm⁴, Iy = 8,688.424 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	230 mm	9.06 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	76.1 kg/m	51.17 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,698.81 mm²	15.033 in²
Moment of inertia (Ix)	16,571.54 cm⁴	398.13 in⁴
Moment of inertia (Iy)	8,688.42 cm⁴	208.74 in⁴
Elastic section modulus (Sx)	946.95 cm³	57.786 in³
Elastic section modulus (Sy)	755.52 cm³	46.105 in³
Plastic section modulus (Zx)	1,142.17 cm³	69.700 in³
Plastic section modulus (Zy)	857.19 cm³	52.309 in³
Radius of gyration (rx)	13.07 cm	5.146 in
Radius of gyration (ry)	9.46 cm	3.726 in