RHS 100x75x8 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 100x75x8 steel profile weighs 18.7 kg/m (12.55 lb/ft), has a depth of 100 mm (3.94 in), flange width 75 mm (2.95 in). Cross-sectional area: 2,379.186 mm². Moment of inertia Ix = 294.921 cm⁴, Iy = 186.538 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	75 mm	2.95 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	16 mm	0.63 in
Weight	18.7 kg/m	12.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,379.19 mm²	3.688 in²
Moment of inertia (Ix)	294.92 cm⁴	7.09 in⁴
Moment of inertia (Iy)	186.54 cm⁴	4.48 in⁴
Elastic section modulus (Sx)	58.98 cm³	3.599 in³
Elastic section modulus (Sy)	49.74 cm³	3.036 in³
Plastic section modulus (Zx)	75.43 cm³	4.603 in³
Plastic section modulus (Zy)	61.59 cm³	3.759 in³
Radius of gyration (rx)	3.52 cm	1.386 in
Radius of gyration (ry)	2.8 cm	1.102 in