RHS 120x60x4.5 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 6 (México) · Caño estructural 120x60 (Argentina)

The RHS 120x60x4.5 steel profile weighs 11.7 kg/m (7.84 lb/ft), has a depth of 120 mm (4.72 in), flange width 60 mm (2.36 in). Cross-sectional area: 1,486.852 mm². Moment of inertia Ix = 264.518 cm⁴, Iy = 88.875 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.5 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	60 mm	2.36 in
Thickness (t)	4.5 mm	0.18 in
Fillet radius (r)	9 mm	0.35 in
Weight	11.7 kg/m	7.84 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,486.85 mm²	2.305 in²
Moment of inertia (Ix)	264.52 cm⁴	6.36 in⁴
Moment of inertia (Iy)	88.88 cm⁴	2.14 in⁴
Elastic section modulus (Sx)	44.09 cm³	2.690 in³
Elastic section modulus (Sy)	29.63 cm³	1.808 in³
Plastic section modulus (Zx)	55.82 cm³	3.407 in³
Plastic section modulus (Zy)	34.3 cm³	2.093 in³
Radius of gyration (rx)	4.22 cm	1.661 in
Radius of gyration (ry)	2.44 cm	0.963 in