RHS 310x170x12.7 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 310x170x12.7 steel profile weighs 87.4 kg/m (58.72 lb/ft), has a depth of 310 mm (12.20 in), flange width 170 mm (6.69 in). Cross-sectional area: 11,131.482 mm². Moment of inertia Ix = 13,459.713 cm⁴, Iy = 5,238.399 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	87.4 kg/m	58.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,131.48 mm²	17.254 in²
Moment of inertia (Ix)	13,459.71 cm⁴	323.37 in⁴
Moment of inertia (Iy)	5,238.4 cm⁴	125.85 in⁴
Elastic section modulus (Sx)	868.37 cm³	52.991 in³
Elastic section modulus (Sy)	616.28 cm³	37.608 in³
Plastic section modulus (Zx)	1,092.81 cm³	66.688 in³
Plastic section modulus (Zy)	717.75 cm³	43.800 in³
Radius of gyration (rx)	11 cm	4.329 in
Radius of gyration (ry)	6.86 cm	2.701 in