RHS 310x170x8.2 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 310x170x8.2 steel profile weighs 58.3 kg/m (39.19 lb/ft), has a depth of 310 mm (12.20 in), flange width 170 mm (6.69 in). Cross-sectional area: 7,429.882 mm². Moment of inertia Ix = 9,401.23 cm⁴, Iy = 3,704.988 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	58.3 kg/m	39.19 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,429.88 mm²	11.516 in²
Moment of inertia (Ix)	9,401.23 cm⁴	225.86 in⁴
Moment of inertia (Iy)	3,704.99 cm⁴	89.01 in⁴
Elastic section modulus (Sx)	606.53 cm³	37.013 in³
Elastic section modulus (Sy)	435.88 cm³	26.599 in³
Plastic section modulus (Zx)	747.56 cm³	45.619 in³
Plastic section modulus (Zy)	493.58 cm³	30.120 in³
Radius of gyration (rx)	11.25 cm	4.429 in
Radius of gyration (ry)	7.06 cm	2.780 in