RHS 115x75x3.35 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 115x75 cal 11 (México) · Caño estructural 115x75 (Argentina)

The RHS 115x75x3.35 steel profile weighs 9.4 kg/m (6.32 lb/ft), has a depth of 115 mm (4.53 in), flange width 75 mm (2.95 in). Cross-sectional area: 1,199.21 mm². Moment of inertia Ix = 218.225 cm⁴, Iy = 112.824 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.35 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	115 mm	4.53 in
Width (b)	75 mm	2.95 in
Thickness (t)	3.4 mm	0.13 in
Fillet radius (r)	6.7 mm	0.26 in
Weight	9.4 kg/m	6.32 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,199.21 mm²	1.859 in²
Moment of inertia (Ix)	218.23 cm⁴	5.24 in⁴
Moment of inertia (Iy)	112.82 cm⁴	2.71 in⁴
Elastic section modulus (Sx)	37.95 cm³	2.316 in³
Elastic section modulus (Sy)	30.09 cm³	1.836 in³
Plastic section modulus (Zx)	46.05 cm³	2.810 in³
Plastic section modulus (Zy)	34.35 cm³	2.096 in³
Radius of gyration (rx)	4.27 cm	1.679 in
Radius of gyration (ry)	3.07 cm	1.208 in