RHS 305x152x7.9 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 (México) · Caño estructural 305x152 (Argentina)

The RHS 305x152x7.9 steel profile weighs 53.7 kg/m (36.08 lb/ft), has a depth of 305 mm (12.01 in), flange width 152 mm (5.98 in). Cross-sectional area: 6,810.24 mm². Moment of inertia Ix = 8,119.159 cm⁴, Iy = 2,747.663 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	305 mm	12.01 in
Width (b)	152 mm	5.98 in
Thickness (t)	7.9 mm	0.31 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	53.7 kg/m	36.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,810.24 mm²	10.556 in²
Moment of inertia (Ix)	8,119.16 cm⁴	195.06 in⁴
Moment of inertia (Iy)	2,747.66 cm⁴	66.01 in⁴
Elastic section modulus (Sx)	532.4 cm³	32.489 in³
Elastic section modulus (Sy)	361.53 cm³	22.062 in³
Plastic section modulus (Zx)	662.85 cm³	40.450 in³
Plastic section modulus (Zy)	408.51 cm³	24.929 in³
Radius of gyration (rx)	10.92 cm	4.299 in
Radius of gyration (ry)	6.35 cm	2.501 in