RHS 115x75x5 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 6 (México) · Caño estructural 115x75 (Argentina)

The RHS 115x75x5 steel profile weighs 13.6 kg/m (9.15 lb/ft), has a depth of 115 mm (4.53 in), flange width 75 mm (2.95 in). Cross-sectional area: 1,735.619 mm². Moment of inertia Ix = 302.919 cm⁴, Iy = 155.409 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	115 mm	4.53 in
Width (b)	75 mm	2.95 in
Thickness (t)	5 mm	0.20 in
Fillet radius (r)	10 mm	0.39 in
Weight	13.6 kg/m	9.15 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,735.62 mm²	2.690 in²
Moment of inertia (Ix)	302.92 cm⁴	7.28 in⁴
Moment of inertia (Iy)	155.41 cm⁴	3.73 in⁴
Elastic section modulus (Sx)	52.68 cm³	3.215 in³
Elastic section modulus (Sy)	41.44 cm³	2.529 in³
Plastic section modulus (Zx)	65.17 cm³	3.977 in³
Plastic section modulus (Zy)	48.46 cm³	2.957 in³
Radius of gyration (rx)	4.18 cm	1.645 in
Radius of gyration (ry)	2.99 cm	1.178 in