RHS 50x30x1 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 50x30 cal 18 (México) · Caño estructural 50x30 (Argentina)

The RHS 50x30x1 steel profile weighs 1.2 kg/m (0.81 lb/ft), has a depth of 50 mm (1.97 in), flange width 30 mm (1.18 in). Cross-sectional area: 153.425 mm². Moment of inertia Ix = 5.287 cm⁴, Iy = 2.413 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	50 mm	1.97 in
Width (b)	30 mm	1.18 in
Thickness (t)	1 mm	0.04 in
Fillet radius (r)	2 mm	0.08 in
Weight	1.2 kg/m	0.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	153.42 mm²	0.238 in²
Moment of inertia (Ix)	5.29 cm⁴	0.13 in⁴
Moment of inertia (Iy)	2.41 cm⁴	0.06 in⁴
Elastic section modulus (Sx)	2.11 cm³	0.129 in³
Elastic section modulus (Sy)	1.61 cm³	0.098 in³
Plastic section modulus (Zx)	2.56 cm³	0.156 in³
Plastic section modulus (Zy)	1.8 cm³	0.110 in³
Radius of gyration (rx)	1.86 cm	0.731 in
Radius of gyration (ry)	1.25 cm	0.494 in