RHS 180x100x8.8 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 180x100 (México) · Caño estructural 180x100 (Argentina)

The RHS 180x100x8.8 steel profile weighs 34.7 kg/m (23.31 lb/ft), has a depth of 180 mm (7.09 in), flange width 100 mm (3.94 in). Cross-sectional area: 4,418.815 mm². Moment of inertia Ix = 1,763.427 cm⁴, Iy = 696.371 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	100 mm	3.94 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	34.7 kg/m	23.31 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,418.81 mm²	6.849 in²
Moment of inertia (Ix)	1,763.43 cm⁴	42.37 in⁴
Moment of inertia (Iy)	696.37 cm⁴	16.73 in⁴
Elastic section modulus (Sx)	195.94 cm³	11.957 in³
Elastic section modulus (Sy)	139.27 cm³	8.499 in³
Plastic section modulus (Zx)	249.08 cm³	15.200 in³
Plastic section modulus (Zy)	164.69 cm³	10.050 in³
Radius of gyration (rx)	6.32 cm	2.487 in
Radius of gyration (ry)	3.97 cm	1.563 in