RHS 305x152x4.8 IMCA · Weight & Dimensions

IMCA, 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 305x152 cal 6 (México) · Caño estructural 305x152 (Argentina)

The RHS 305x152x4.8 steel profile weighs 33.0 kg/m (22.19 lb/ft), has a depth of 305 mm (12.01 in), flange width 152 mm (5.98 in). Cross-sectional area: 4,235.707 mm². Moment of inertia Ix = 5,213.668 cm⁴, Iy = 1,784.203 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	305 mm	12.01 in
Width (b)	152 mm	5.98 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	33.0 kg/m	22.19 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,235.71 mm²	6.565 in²
Moment of inertia (Ix)	5,213.67 cm⁴	125.26 in⁴
Moment of inertia (Iy)	1,784.2 cm⁴	42.87 in⁴
Elastic section modulus (Sx)	341.88 cm³	20.863 in³
Elastic section modulus (Sy)	234.76 cm³	14.326 in³
Plastic section modulus (Zx)	419.46 cm³	25.597 in³
Plastic section modulus (Zy)	259.71 cm³	15.849 in³
Radius of gyration (rx)	11.09 cm	4.368 in
Radius of gyration (ry)	6.49 cm	2.555 in