RHS 100x30x2 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 100x30 cal 15 (México) · Caño estructural 100x30 (Argentina)

The RHS 100x30x2 steel profile weighs 3.9 kg/m (2.61 lb/ft), has a depth of 100 mm (3.94 in), flange width 30 mm (1.18 in). Cross-sectional area: 493.699 mm². Moment of inertia Ix = 55.771 cm⁴, Iy = 8.219 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	30 mm	1.18 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	3.9 kg/m	2.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	493.7 mm²	0.765 in²
Moment of inertia (Ix)	55.77 cm⁴	1.34 in⁴
Moment of inertia (Iy)	8.22 cm⁴	0.20 in⁴
Elastic section modulus (Sx)	11.15 cm³	0.681 in³
Elastic section modulus (Sy)	5.48 cm³	0.334 in³
Plastic section modulus (Zx)	14.58 cm³	0.890 in³
Plastic section modulus (Zy)	6.13 cm³	0.374 in³
Radius of gyration (rx)	3.36 cm	1.323 in
Radius of gyration (ry)	1.29 cm	0.508 in