RHS 110x80x4 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 110x80 cal 8 (México) · Caño estructural 110x80 (Argentina)

The RHS 110x80x4 steel profile weighs 11.1 kg/m (7.47 lb/ft), has a depth of 110 mm (4.33 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,414.796 mm². Moment of inertia Ix = 238.489 cm⁴, Iy = 145.731 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	80 mm	3.15 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	11.1 kg/m	7.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,414.8 mm²	2.193 in²
Moment of inertia (Ix)	238.49 cm⁴	5.73 in⁴
Moment of inertia (Iy)	145.73 cm⁴	3.50 in⁴
Elastic section modulus (Sx)	43.36 cm³	2.646 in³
Elastic section modulus (Sy)	36.43 cm³	2.223 in³
Plastic section modulus (Zx)	52.49 cm³	3.203 in³
Plastic section modulus (Zy)	42.19 cm³	2.575 in³
Radius of gyration (rx)	4.11 cm	1.616 in
Radius of gyration (ry)	3.21 cm	1.264 in