RHS 80x30x2 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 80x30 cal 15 (México) · Caño estructural 80x30 (Argentina)

The RHS 80x30x2 steel profile weighs 3.3 kg/m (2.18 lb/ft), has a depth of 80 mm (3.15 in), flange width 30 mm (1.18 in). Cross-sectional area: 413.699 mm². Moment of inertia Ix = 31.272 cm⁴, Iy = 6.649 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2 mm ≈ 14 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	80 mm	3.15 in
Width (b)	30 mm	1.18 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	3.3 kg/m	2.18 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	413.7 mm²	0.641 in²
Moment of inertia (Ix)	31.27 cm⁴	0.75 in⁴
Moment of inertia (Iy)	6.65 cm⁴	0.16 in⁴
Elastic section modulus (Sx)	7.82 cm³	0.477 in³
Elastic section modulus (Sy)	4.43 cm³	0.270 in³
Plastic section modulus (Zx)	10.05 cm³	0.613 in³
Plastic section modulus (Zy)	5.01 cm³	0.305 in³
Radius of gyration (rx)	2.75 cm	1.082 in
Radius of gyration (ry)	1.27 cm	0.499 in