RHS 300x180x12.5 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 300x180 (México) · Caño estructural 300x180 (Argentina)

The RHS 300x180x12.5 steel profile weighs 86.1 kg/m (57.89 lb/ft), has a depth of 300 mm (11.81 in), flange width 180 mm (7.09 in). Cross-sectional area: 10,972.622 mm². Moment of inertia Ix = 12,760.723 cm⁴, Iy = 5,737.559 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)	12.5 mm	0.49 in
Fillet radius (r)	25 mm	0.98 in
Weight	86.1 kg/m	57.89 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,972.62 mm²	17.008 in²
Moment of inertia (Ix)	12,760.72 cm⁴	306.58 in⁴
Moment of inertia (Iy)	5,737.56 cm⁴	137.84 in⁴
Elastic section modulus (Sx)	850.71 cm³	51.914 in³
Elastic section modulus (Sy)	637.51 cm³	38.903 in³
Plastic section modulus (Zx)	1,060.12 cm³	64.693 in³
Plastic section modulus (Zy)	743.01 cm³	45.342 in³
Radius of gyration (rx)	10.78 cm	4.246 in
Radius of gyration (ry)	7.23 cm	2.847 in