RHS 100x50x9.5 Açotubo · Weight & Dimensions

Açotubo, 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 100x50 (México) · Caño estructural 100x50 (Argentina)

The RHS 100x50x9.5 steel profile weighs 17.7 kg/m (11.90 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 2,256.586 mm². Moment of inertia Ix = 225.542 cm⁴, Iy = 71.725 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	50 mm	1.97 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	17.7 kg/m	11.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,256.59 mm²	3.498 in²
Moment of inertia (Ix)	225.54 cm⁴	5.42 in⁴
Moment of inertia (Iy)	71.73 cm⁴	1.72 in⁴
Elastic section modulus (Sx)	45.11 cm³	2.753 in³
Elastic section modulus (Sy)	28.69 cm³	1.751 in³
Plastic section modulus (Zx)	62.95 cm³	3.841 in³
Plastic section modulus (Zy)	37.64 cm³	2.297 in³
Radius of gyration (rx)	3.16 cm	1.245 in
Radius of gyration (ry)	1.78 cm	0.702 in