RHS 280x240x7.1 V&M do Brasil · Weight & Dimensions

V&M do Brasil, hot-rolled 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 280x240 (México) · Caño estructural 280x240 (Argentina)

The RHS 280x240x7.1 steel profile weighs 55.4 kg/m (37.20 lb/ft), has a depth of 280 mm (11.02 in), flange width 240 mm (9.45 in). Cross-sectional area: 7,052.543 mm². Moment of inertia Ix = 8,319.239 cm⁴, Iy = 6,572.942 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	280 mm	11.02 in
Width (b)	240 mm	9.45 in
Thickness (t)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	55.4 kg/m	37.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,052.54 mm²	10.931 in²
Moment of inertia (Ix)	8,319.24 cm⁴	199.87 in⁴
Moment of inertia (Iy)	6,572.94 cm⁴	157.91 in⁴
Elastic section modulus (Sx)	594.23 cm³	36.262 in³
Elastic section modulus (Sy)	547.75 cm³	33.426 in³
Plastic section modulus (Zx)	697.83 cm³	42.584 in³
Plastic section modulus (Zy)	628.6 cm³	38.360 in³
Radius of gyration (rx)	10.86 cm	4.276 in
Radius of gyration (ry)	9.65 cm	3.801 in