RHS 115x75x2.25 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 14 (México) · Caño estructural 115x75 (Argentina)

The RHS 115x75x2.25 steel profile weighs 6.5 kg/m (4.33 lb/ft), has a depth of 115 mm (4.53 in), flange width 75 mm (2.95 in). Cross-sectional area: 821.713 mm². Moment of inertia Ix = 153.626 cm⁴, Iy = 79.843 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.25 mm ≈ 13 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	115 mm	4.53 in
Width (b)	75 mm	2.95 in
Thickness (t)	2.3 mm	0.09 in
Fillet radius (r)	4.5 mm	0.18 in
Weight	6.5 kg/m	4.33 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	821.71 mm²	1.274 in²
Moment of inertia (Ix)	153.63 cm⁴	3.69 in⁴
Moment of inertia (Iy)	79.84 cm⁴	1.92 in⁴
Elastic section modulus (Sx)	26.72 cm³	1.630 in³
Elastic section modulus (Sy)	21.29 cm³	1.299 in³
Plastic section modulus (Zx)	32.02 cm³	1.954 in³
Plastic section modulus (Zy)	23.93 cm³	1.460 in³
Radius of gyration (rx)	4.32 cm	1.702 in
Radius of gyration (ry)	3.12 cm	1.227 in