RHS 110x80x4.5 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 6 (México) · Caño estructural 110x80 (Argentina)

The RHS 110x80x4.5 steel profile weighs 12.4 kg/m (8.32 lb/ft), has a depth of 110 mm (4.33 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,576.852 mm². Moment of inertia Ix = 262.455 cm⁴, Iy = 160.107 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.5 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	80 mm	3.15 in
Thickness (t)	4.5 mm	0.18 in
Fillet radius (r)	9 mm	0.35 in
Weight	12.4 kg/m	8.32 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,576.85 mm²	2.444 in²
Moment of inertia (Ix)	262.45 cm⁴	6.31 in⁴
Moment of inertia (Iy)	160.11 cm⁴	3.85 in⁴
Elastic section modulus (Sx)	47.72 cm³	2.912 in³
Elastic section modulus (Sy)	40.03 cm³	2.443 in³
Plastic section modulus (Zx)	58.11 cm³	3.546 in³
Plastic section modulus (Zy)	46.67 cm³	2.848 in³
Radius of gyration (rx)	4.08 cm	1.606 in
Radius of gyration (ry)	3.19 cm	1.255 in