RHS 180x100x7.1 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 180x100x7.1 steel profile weighs 28.6 kg/m (19.23 lb/ft), has a depth of 180 mm (7.09 in), flange width 100 mm (3.94 in). Cross-sectional area: 3,644.543 mm². Moment of inertia Ix = 1,499.188 cm⁴, Iy = 596.614 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)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	28.6 kg/m	19.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,644.54 mm²	5.649 in²
Moment of inertia (Ix)	1,499.19 cm⁴	36.02 in⁴
Moment of inertia (Iy)	596.61 cm⁴	14.33 in⁴
Elastic section modulus (Sx)	166.58 cm³	10.165 in³
Elastic section modulus (Sy)	119.32 cm³	7.282 in³
Plastic section modulus (Zx)	208.84 cm³	12.744 in³
Plastic section modulus (Zy)	138.54 cm³	8.454 in³
Radius of gyration (rx)	6.41 cm	2.525 in
Radius of gyration (ry)	4.05 cm	1.593 in