RHS 125x35x3 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 125x35 cal 11 (México) · Caño estructural 125x35 (Argentina)

The RHS 125x35x3 steel profile weighs 7.1 kg/m (4.75 lb/ft), has a depth of 125 mm (4.92 in), flange width 35 mm (1.38 in). Cross-sectional area: 900.823 mm². Moment of inertia Ix = 153.526 cm⁴, Iy = 19.813 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	125 mm	4.92 in
Width (b)	35 mm	1.38 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	7.1 kg/m	4.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	900.82 mm²	1.396 in²
Moment of inertia (Ix)	153.53 cm⁴	3.69 in⁴
Moment of inertia (Iy)	19.81 cm⁴	0.48 in⁴
Elastic section modulus (Sx)	24.56 cm³	1.499 in³
Elastic section modulus (Sy)	11.32 cm³	0.691 in³
Plastic section modulus (Zx)	32.62 cm³	1.990 in³
Plastic section modulus (Zy)	12.87 cm³	0.785 in³
Radius of gyration (rx)	4.13 cm	1.625 in
Radius of gyration (ry)	1.48 cm	0.584 in