RHS 70x50x4.5 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 70x50 cal 6 (México) · Caño estructural 70x50 (Argentina)

The RHS 70x50x4.5 steel profile weighs 7.4 kg/m (4.99 lb/ft), has a depth of 70 mm (2.76 in), flange width 50 mm (1.97 in). Cross-sectional area: 946.852 mm². Moment of inertia Ix = 59.291 cm⁴, Iy = 34.849 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.5 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	70 mm	2.76 in
Width (b)	50 mm	1.97 in
Thickness (t)	4.5 mm	0.18 in
Fillet radius (r)	9 mm	0.35 in
Weight	7.4 kg/m	4.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	946.85 mm²	1.468 in²
Moment of inertia (Ix)	59.29 cm⁴	1.42 in⁴
Moment of inertia (Iy)	34.85 cm⁴	0.84 in⁴
Elastic section modulus (Sx)	16.94 cm³	1.034 in³
Elastic section modulus (Sy)	13.94 cm³	0.851 in³
Plastic section modulus (Zx)	21.33 cm³	1.302 in³
Plastic section modulus (Zy)	16.86 cm³	1.029 in³
Radius of gyration (rx)	2.5 cm	0.985 in
Radius of gyration (ry)	1.92 cm	0.755 in