RHS 35x25x1 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 35x25 cal 18 (México) · Caño estructural 35x25 (Argentina)

The RHS 35x25x1 steel profile weighs 0.9 kg/m (0.60 lb/ft), has a depth of 35 mm (1.38 in), flange width 25 mm (0.98 in). Cross-sectional area: 113.425 mm². Moment of inertia Ix = 1.967 cm⁴, Iy = 1.172 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)	25 mm	0.98 in
Thickness (t)	1 mm	0.04 in
Fillet radius (r)	2 mm	0.08 in
Weight	0.9 kg/m	0.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	113.42 mm²	0.176 in²
Moment of inertia (Ix)	1.97 cm⁴	0.05 in⁴
Moment of inertia (Iy)	1.17 cm⁴	0.03 in⁴
Elastic section modulus (Sx)	1.12 cm³	0.069 in³
Elastic section modulus (Sy)	0.94 cm³	0.057 in³
Plastic section modulus (Zx)	1.35 cm³	0.082 in³
Plastic section modulus (Zy)	1.07 cm³	0.065 in³
Radius of gyration (rx)	1.32 cm	0.518 in
Radius of gyration (ry)	1.02 cm	0.400 in