RHS 152.4x101.6x4.78 CISC · Weight & Dimensions

CISC, 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 152.4x101.6 cal 6 (México) · Caño estructural 152.4x101.6 (Argentina)

The RHS 152.4x101.6x4.78 steel profile weighs 17.9 kg/m (12.02 lb/ft), has a depth of 152.4 mm (6.00 in), flange width 101.6 mm (4.00 in). Cross-sectional area: 2,278.007 mm². Moment of inertia Ix = 728.168 cm⁴, Iy = 389.193 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.78 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	152.4 mm	6.00 in
Width (b)	101.6 mm	4.00 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	17.9 kg/m	12.02 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,278.01 mm²	3.531 in²
Moment of inertia (Ix)	728.17 cm⁴	17.49 in⁴
Moment of inertia (Iy)	389.19 cm⁴	9.35 in⁴
Elastic section modulus (Sx)	95.56 cm³	5.831 in³
Elastic section modulus (Sy)	76.61 cm³	4.675 in³
Plastic section modulus (Zx)	116.02 cm³	7.080 in³
Plastic section modulus (Zy)	87.84 cm³	5.360 in³
Radius of gyration (rx)	5.65 cm	2.226 in
Radius of gyration (ry)	4.13 cm	1.627 in