RHS 300x180x12.7 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 300x180 (México) · Caño estructural 300x180 (Argentina)

The RHS 300x180x12.7 steel profile weighs 87.4 kg/m (58.72 lb/ft), has a depth of 300 mm (11.81 in), flange width 180 mm (7.09 in). Cross-sectional area: 11,131.482 mm². Moment of inertia Ix = 12,918.995 cm⁴, Iy = 5,806.115 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	180 mm	7.09 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)	12,919 cm⁴	310.38 in⁴
Moment of inertia (Iy)	5,806.11 cm⁴	139.49 in⁴
Elastic section modulus (Sx)	861.27 cm³	52.558 in³
Elastic section modulus (Sy)	645.12 cm³	39.368 in³
Plastic section modulus (Zx)	1,074.28 cm³	65.557 in³
Plastic section modulus (Zy)	752.79 cm³	45.939 in³
Radius of gyration (rx)	10.77 cm	4.241 in
Radius of gyration (ry)	7.22 cm	2.843 in