RHS 310x210x7.1 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 310x210 (México) · Caño estructural 310x210 (Argentina)

The RHS 310x210x7.1 steel profile weighs 55.4 kg/m (37.20 lb/ft), has a depth of 310 mm (12.20 in), flange width 210 mm (8.27 in). Cross-sectional area: 7,052.543 mm². Moment of inertia Ix = 9,597.296 cm⁴, Iy = 5,281.253 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 in
Width (b)	210 mm	8.27 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)	9,597.3 cm⁴	230.58 in⁴
Moment of inertia (Iy)	5,281.25 cm⁴	126.88 in⁴
Elastic section modulus (Sx)	619.18 cm³	37.785 in³
Elastic section modulus (Sy)	502.98 cm³	30.694 in³
Plastic section modulus (Zx)	742.29 cm³	45.298 in³
Plastic section modulus (Zy)	569.22 cm³	34.736 in³
Radius of gyration (rx)	11.67 cm	4.593 in
Radius of gyration (ry)	8.65 cm	3.407 in