RHS 320x220x12.5 V&M do Brasil · Weight & Dimensions

V&M do Brasil, hot-rolled 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 320x220 (México) · Caño estructural 320x220 (Argentina)

The RHS 320x220x12.5 steel profile weighs 97.9 kg/m (65.80 lb/ft), has a depth of 320 mm (12.60 in), flange width 220 mm (8.66 in). Cross-sectional area: 12,472.622 mm². Moment of inertia Ix = 17,357.563 cm⁴, Iy = 9,700.7 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	320 mm	12.60 in
Width (b)	220 mm	8.66 in
Thickness (t)	12.5 mm	0.49 in
Fillet radius (r)	25 mm	0.98 in
Weight	97.9 kg/m	65.80 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,472.62 mm²	19.333 in²
Moment of inertia (Ix)	17,357.56 cm⁴	417.02 in⁴
Moment of inertia (Iy)	9,700.7 cm⁴	233.06 in⁴
Elastic section modulus (Sx)	1,084.85 cm³	66.202 in³
Elastic section modulus (Sy)	881.88 cm³	53.816 in³
Plastic section modulus (Zx)	1,326.1 cm³	80.924 in³
Plastic section modulus (Zy)	1,024.34 cm³	62.509 in³
Radius of gyration (rx)	11.8 cm	4.644 in
Radius of gyration (ry)	8.82 cm	3.472 in