RHS 150x80x6.3 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 150x80 cal 4 (México) · Caño estructural 150x80 (Argentina)

The RHS 150x80x6.3 steel profile weighs 20.7 kg/m (13.91 lb/ft), has a depth of 150 mm (5.91 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,637.029 mm². Moment of inertia Ix = 737.414 cm⁴, Iy = 274.059 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	150 mm	5.91 in
Width (b)	80 mm	3.15 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	20.7 kg/m	13.91 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,637.03 mm²	4.087 in²
Moment of inertia (Ix)	737.41 cm⁴	17.72 in⁴
Moment of inertia (Iy)	274.06 cm⁴	6.58 in⁴
Elastic section modulus (Sx)	98.32 cm³	6.000 in³
Elastic section modulus (Sy)	68.51 cm³	4.181 in³
Plastic section modulus (Zx)	124.35 cm³	7.588 in³
Plastic section modulus (Zy)	79.99 cm³	4.881 in³
Radius of gyration (rx)	5.29 cm	2.082 in
Radius of gyration (ry)	3.22 cm	1.269 in