RHS 35x30x3 Hiasa · Weight & Dimensions

Hiasa, cold-formed 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 35x30 cal 11 (México) · Caño estructural 35x30 (Argentina)

The RHS 35x30x3 steel profile weighs 2.6 kg/m (1.75 lb/ft), has a depth of 35 mm (1.38 in), flange width 30 mm (1.18 in). Cross-sectional area: 330.823 mm². Moment of inertia Ix = 5.178 cm⁴, Iy = 4.053 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	35 mm	1.38 in
Width (b)	30 mm	1.18 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	2.6 kg/m	1.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	330.82 mm²	0.513 in²
Moment of inertia (Ix)	5.18 cm⁴	0.12 in⁴
Moment of inertia (Iy)	4.05 cm⁴	0.10 in⁴
Elastic section modulus (Sx)	2.96 cm³	0.181 in³
Elastic section modulus (Sy)	2.7 cm³	0.165 in³
Plastic section modulus (Zx)	3.75 cm³	0.229 in³
Plastic section modulus (Zy)	3.36 cm³	0.205 in³
Radius of gyration (rx)	1.25 cm	0.493 in
Radius of gyration (ry)	1.11 cm	0.436 in