RHS 180x140x7 GOST · Weight & Dimensions

GOST, 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 180x140 (México) · Caño estructural 180x140 (Argentina)

The RHS 180x140x7 steel profile weighs 32.6 kg/m (21.93 lb/ft), has a depth of 180 mm (7.09 in), flange width 140 mm (5.51 in). Cross-sectional area: 4,157.814 mm². Moment of inertia Ix = 1,901.801 cm⁴, Iy = 1,289.34 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	140 mm	5.51 in
Thickness (t)	7 mm	0.28 in
Fillet radius (r)	14 mm	0.55 in
Weight	32.6 kg/m	21.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,157.81 mm²	6.445 in²
Moment of inertia (Ix)	1,901.8 cm⁴	45.69 in⁴
Moment of inertia (Iy)	1,289.34 cm⁴	30.98 in⁴
Elastic section modulus (Sx)	211.31 cm³	12.895 in³
Elastic section modulus (Sy)	184.19 cm³	11.240 in³
Plastic section modulus (Zx)	254.8 cm³	15.549 in³
Plastic section modulus (Zy)	214.48 cm³	13.088 in³
Radius of gyration (rx)	6.76 cm	2.663 in
Radius of gyration (ry)	5.57 cm	2.192 in