RHS 120x60x3.5 SAISC · Weight & Dimensions

SAISC, 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 120x60 cal 11 (México) · Caño estructural 120x60 (Argentina)

The RHS 120x60x3.5 steel profile weighs 9.3 kg/m (6.22 lb/ft), has a depth of 120 mm (4.72 in), flange width 60 mm (2.36 in). Cross-sectional area: 1,179.454 mm². Moment of inertia Ix = 215.615 cm⁴, Iy = 73.095 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.5 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	60 mm	2.36 in
Thickness (t)	3.5 mm	0.14 in
Fillet radius (r)	7 mm	0.28 in
Weight	9.3 kg/m	6.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,179.45 mm²	1.828 in²
Moment of inertia (Ix)	215.61 cm⁴	5.18 in⁴
Moment of inertia (Iy)	73.09 cm⁴	1.76 in⁴
Elastic section modulus (Sx)	35.94 cm³	2.193 in³
Elastic section modulus (Sy)	24.36 cm³	1.487 in³
Plastic section modulus (Zx)	44.94 cm³	2.742 in³
Plastic section modulus (Zy)	27.72 cm³	1.692 in³
Radius of gyration (rx)	4.28 cm	1.683 in
Radius of gyration (ry)	2.49 cm	0.980 in