RHS 320x200x12.7 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 320x200 (México) · Caño estructural 320x200 (Argentina)

The RHS 320x200x12.7 steel profile weighs 95.4 kg/m (64.08 lb/ft), has a depth of 320 mm (12.60 in), flange width 200 mm (7.87 in). Cross-sectional area: 12,147.482 mm². Moment of inertia Ix = 16,380.545 cm⁴, Iy = 7,870.926 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	320 mm	12.60 in
Width (b)	200 mm	7.87 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	95.4 kg/m	64.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,147.48 mm²	18.829 in²
Moment of inertia (Ix)	16,380.54 cm⁴	393.54 in⁴
Moment of inertia (Iy)	7,870.93 cm⁴	189.10 in⁴
Elastic section modulus (Sx)	1,023.78 cm³	62.475 in³
Elastic section modulus (Sy)	787.09 cm³	48.032 in³
Plastic section modulus (Zx)	1,266.19 cm³	77.268 in³
Plastic section modulus (Zy)	914.22 cm³	55.790 in³
Radius of gyration (rx)	11.61 cm	4.572 in
Radius of gyration (ry)	8.05 cm	3.169 in