RHS 140x80x6.35 Acindar · Weight & Dimensions

Acindar, cold-formed 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 140x80 cal 3 (México) · Caño estructural 140x80 (Argentina)

The RHS 140x80x6.35 steel profile weighs 19.9 kg/m (13.35 lb/ft), has a depth of 140 mm (5.51 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,529.416 mm². Moment of inertia Ix = 623.514 cm⁴, Iy = 258.455 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.35 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	80 mm	3.15 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	19.9 kg/m	13.35 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,529.42 mm²	3.921 in²
Moment of inertia (Ix)	623.51 cm⁴	14.98 in⁴
Moment of inertia (Iy)	258.46 cm⁴	6.21 in⁴
Elastic section modulus (Sx)	89.07 cm³	5.436 in³
Elastic section modulus (Sy)	64.61 cm³	3.943 in³
Plastic section modulus (Zx)	112.24 cm³	6.849 in³
Plastic section modulus (Zy)	75.85 cm³	4.629 in³
Radius of gyration (rx)	4.96 cm	1.955 in
Radius of gyration (ry)	3.2 cm	1.258 in