RHS 35x30x1 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 18 (México) · Caño estructural 35x30 (Argentina)

The RHS 35x30x1 steel profile weighs 1.0 kg/m (0.65 lb/ft), has a depth of 35 mm (1.38 in), flange width 30 mm (1.18 in). Cross-sectional area: 123.425 mm². Moment of inertia Ix = 2.256 cm⁴, Iy = 1.782 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	35 mm	1.38 in
Width (b)	30 mm	1.18 in
Thickness (t)	1 mm	0.04 in
Fillet radius (r)	2 mm	0.08 in
Weight	1.0 kg/m	0.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	123.42 mm²	0.191 in²
Moment of inertia (Ix)	2.26 cm⁴	0.05 in⁴
Moment of inertia (Iy)	1.78 cm⁴	0.04 in⁴
Elastic section modulus (Sx)	1.29 cm³	0.079 in³
Elastic section modulus (Sy)	1.19 cm³	0.072 in³
Plastic section modulus (Zx)	1.52 cm³	0.093 in³
Plastic section modulus (Zy)	1.37 cm³	0.084 in³
Radius of gyration (rx)	1.35 cm	0.532 in
Radius of gyration (ry)	1.2 cm	0.473 in