RHS 310x170x10.3 Açotubo · Weight & Dimensions

Açotubo, 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 310x170 (México) · Caño estructural 310x170 (Argentina)

The RHS 310x170x10.3 steel profile weighs 72.1 kg/m (48.48 lb/ft), has a depth of 310 mm (12.20 in), flange width 170 mm (6.69 in). Cross-sectional area: 9,190.435 mm². Moment of inertia Ix = 11,387.867 cm⁴, Iy = 4,461.585 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	72.1 kg/m	48.48 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,190.43 mm²	14.245 in²
Moment of inertia (Ix)	11,387.87 cm⁴	273.59 in⁴
Moment of inertia (Iy)	4,461.59 cm⁴	107.19 in⁴
Elastic section modulus (Sx)	734.7 cm³	44.834 in³
Elastic section modulus (Sy)	524.89 cm³	32.031 in³
Plastic section modulus (Zx)	914.28 cm³	55.793 in³
Plastic section modulus (Zy)	602.18 cm³	36.747 in³
Radius of gyration (rx)	11.13 cm	4.382 in
Radius of gyration (ry)	6.97 cm	2.743 in