RHS 310x170x8.8 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 310x170 (México) · Caño estructural 310x170 (Argentina)

The RHS 310x170x8.8 steel profile weighs 62.3 kg/m (41.88 lb/ft), has a depth of 310 mm (12.20 in), flange width 170 mm (6.69 in). Cross-sectional area: 7,938.815 mm². Moment of inertia Ix = 9,985.684 cm⁴, Iy = 3,928.685 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 in
Width (b)	170 mm	6.69 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	62.3 kg/m	41.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,938.81 mm²	12.305 in²
Moment of inertia (Ix)	9,985.68 cm⁴	239.91 in⁴
Moment of inertia (Iy)	3,928.69 cm⁴	94.39 in⁴
Elastic section modulus (Sx)	644.24 cm³	39.314 in³
Elastic section modulus (Sy)	462.2 cm³	28.205 in³
Plastic section modulus (Zx)	796.2 cm³	48.588 in³
Plastic section modulus (Zy)	525.33 cm³	32.057 in³
Radius of gyration (rx)	11.22 cm	4.415 in
Radius of gyration (ry)	7.03 cm	2.770 in