RHS 100x75x5.6 Tecnometal · Weight & Dimensions

Tecnometal, cold-formed sections (Brazil) · 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 100x75 (México) · Caño estructural 100x75 (Argentina)

The RHS 100x75x5.6 steel profile weighs 13.8 kg/m (9.25 lb/ft), has a depth of 100 mm (3.94 in), flange width 75 mm (2.95 in). Cross-sectional area: 1,753.801 mm². Moment of inertia Ix = 233.387 cm⁴, Iy = 148.684 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5.6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	75 mm	2.95 in
Thickness (t)	5.6 mm	0.22 in
Fillet radius (r)	11.2 mm	0.44 in
Weight	13.8 kg/m	9.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,753.8 mm²	2.718 in²
Moment of inertia (Ix)	233.39 cm⁴	5.61 in⁴
Moment of inertia (Iy)	148.68 cm⁴	3.57 in⁴
Elastic section modulus (Sx)	46.68 cm³	2.848 in³
Elastic section modulus (Sy)	39.65 cm³	2.420 in³
Plastic section modulus (Zx)	57.77 cm³	3.526 in³
Plastic section modulus (Zy)	47.32 cm³	2.888 in³
Radius of gyration (rx)	3.65 cm	1.436 in
Radius of gyration (ry)	2.91 cm	1.146 in