RHS 356x254x7.9 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 356x254 (México) · Caño estructural 356x254 (Argentina)

The RHS 356x254x7.9 steel profile weighs 72.9 kg/m (49.01 lb/ft), has a depth of 356 mm (14.02 in), flange width 254 mm (10.00 in). Cross-sectional area: 9,227.64 mm². Moment of inertia Ix = 16,842.924 cm⁴, Iy = 10,046.009 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	356 mm	14.02 in
Width (b)	254 mm	10.00 in
Thickness (t)	7.9 mm	0.31 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	72.9 kg/m	49.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,227.64 mm²	14.303 in²
Moment of inertia (Ix)	16,842.92 cm⁴	404.65 in⁴
Moment of inertia (Iy)	10,046.01 cm⁴	241.36 in⁴
Elastic section modulus (Sx)	946.23 cm³	57.743 in³
Elastic section modulus (Sy)	791.02 cm³	48.271 in³
Plastic section modulus (Zx)	1,127.29 cm³	68.791 in³
Plastic section modulus (Zy)	896.08 cm³	54.682 in³
Radius of gyration (rx)	13.51 cm	5.319 in
Radius of gyration (ry)	10.43 cm	4.108 in