RHS 100x80x6.3 Tuboeuropa · Weight & Dimensions

Tuboeuropa, 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 100x80 cal 4 (México) · Caño estructural 100x80 (Argentina)

The RHS 100x80x6.3 steel profile weighs 15.5 kg/m (10.39 lb/ft), has a depth of 100 mm (3.94 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,972.959 mm². Moment of inertia Ix = 258.773 cm⁴, Iy = 182.811 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	80 mm	3.15 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	15.5 kg/m	10.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,972.96 mm²	3.058 in²
Moment of inertia (Ix)	258.77 cm⁴	6.22 in⁴
Moment of inertia (Iy)	182.81 cm⁴	4.39 in⁴
Elastic section modulus (Sx)	51.75 cm³	3.158 in³
Elastic section modulus (Sy)	45.7 cm³	2.789 in³
Plastic section modulus (Zx)	64.58 cm³	3.941 in³
Plastic section modulus (Zy)	55.39 cm³	3.380 in³
Radius of gyration (rx)	3.62 cm	1.426 in
Radius of gyration (ry)	3.04 cm	1.198 in