RHS 140x70x6.3 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 140x70 cal 4 (México) · Caño estructural 140x70 (Argentina)

The RHS 140x70x6.3 steel profile weighs 18.7 kg/m (12.58 lb/ft), has a depth of 140 mm (5.51 in), flange width 70 mm (2.76 in). Cross-sectional area: 2,385.029 mm². Moment of inertia Ix = 563.203 cm⁴, Iy = 187.734 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	70 mm	2.76 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	18.7 kg/m	12.58 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,385.03 mm²	3.697 in²
Moment of inertia (Ix)	563.2 cm⁴	13.53 in⁴
Moment of inertia (Iy)	187.73 cm⁴	4.51 in⁴
Elastic section modulus (Sx)	80.46 cm³	4.910 in³
Elastic section modulus (Sy)	53.64 cm³	3.273 in³
Plastic section modulus (Zx)	103.05 cm³	6.289 in³
Plastic section modulus (Zy)	63.11 cm³	3.851 in³
Radius of gyration (rx)	4.86 cm	1.913 in
Radius of gyration (ry)	2.81 cm	1.105 in