RHS 150x50x4 Cintac · Weight & Dimensions

Cintac, 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 150x50 cal 8 (México) · Caño estructural 150x50 (Argentina)

The RHS 150x50x4 steel profile weighs 11.7 kg/m (7.89 lb/ft), has a depth of 150 mm (5.91 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,494.796 mm². Moment of inertia Ix = 381.39 cm⁴, Iy = 66.163 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	150 mm	5.91 in
Width (b)	50 mm	1.97 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	11.7 kg/m	7.89 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,494.8 mm²	2.317 in²
Moment of inertia (Ix)	381.39 cm⁴	9.16 in⁴
Moment of inertia (Iy)	66.16 cm⁴	1.59 in⁴
Elastic section modulus (Sx)	50.85 cm³	3.103 in³
Elastic section modulus (Sy)	26.47 cm³	1.615 in³
Plastic section modulus (Zx)	66.47 cm³	4.056 in³
Plastic section modulus (Zy)	30.13 cm³	1.839 in³
Radius of gyration (rx)	5.05 cm	1.989 in
Radius of gyration (ry)	2.1 cm	0.828 in