RHS 120x80x8 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 120x80 (México) · Caño estructural 120x80 (Argentina)

The RHS 120x80x8 steel profile weighs 21.8 kg/m (14.66 lb/ft), has a depth of 120 mm (4.72 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,779.186 mm². Moment of inertia Ix = 495.772 cm⁴, Iy = 260.48 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	80 mm	3.15 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	16 mm	0.63 in
Weight	21.8 kg/m	14.66 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,779.19 mm²	4.308 in²
Moment of inertia (Ix)	495.77 cm⁴	11.91 in⁴
Moment of inertia (Iy)	260.48 cm⁴	6.26 in⁴
Elastic section modulus (Sx)	82.63 cm³	5.042 in³
Elastic section modulus (Sy)	65.12 cm³	3.974 in³
Plastic section modulus (Zx)	105.3 cm³	6.426 in³
Plastic section modulus (Zy)	79.16 cm³	4.831 in³
Radius of gyration (rx)	4.22 cm	1.663 in
Radius of gyration (ry)	3.06 cm	1.205 in