RHS 310x230x12.7 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 310x230 (México) · Caño estructural 310x230 (Argentina)

The RHS 310x230x12.7 steel profile weighs 99.3 kg/m (66.76 lb/ft), has a depth of 310 mm (12.20 in), flange width 230 mm (9.06 in). Cross-sectional area: 12,655.482 mm². Moment of inertia Ix = 16,829.317 cm⁴, Iy = 10,592.445 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 in
Width (b)	230 mm	9.06 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	99.3 kg/m	66.76 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,655.48 mm²	19.616 in²
Moment of inertia (Ix)	16,829.32 cm⁴	404.32 in⁴
Moment of inertia (Iy)	10,592.45 cm⁴	254.48 in⁴
Elastic section modulus (Sx)	1,085.76 cm³	66.258 in³
Elastic section modulus (Sy)	921.08 cm³	56.208 in³
Plastic section modulus (Zx)	1,319.36 cm³	80.512 in³
Plastic section modulus (Zy)	1,074.55 cm³	65.574 in³
Radius of gyration (rx)	11.53 cm	4.540 in
Radius of gyration (ry)	9.15 cm	3.602 in