RHS 120x40x2 Acindar · Weight & Dimensions

Acindar, 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 120x40 cal 15 (México) · Caño estructural 120x40 (Argentina)

The RHS 120x40x2 steel profile weighs 4.8 kg/m (3.24 lb/ft), has a depth of 120 mm (4.72 in), flange width 40 mm (1.57 in). Cross-sectional area: 613.699 mm². Moment of inertia Ix = 104.07 cm⁴, Iy = 18.503 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	40 mm	1.57 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	4.8 kg/m	3.24 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	613.7 mm²	0.951 in²
Moment of inertia (Ix)	104.07 cm⁴	2.50 in⁴
Moment of inertia (Iy)	18.5 cm⁴	0.44 in⁴
Elastic section modulus (Sx)	17.34 cm³	1.058 in³
Elastic section modulus (Sy)	9.25 cm³	0.565 in³
Plastic section modulus (Zx)	22.28 cm³	1.360 in³
Plastic section modulus (Zy)	10.21 cm³	0.623 in³
Radius of gyration (rx)	4.12 cm	1.621 in
Radius of gyration (ry)	1.74 cm	0.684 in