RHS 115x75x6.3 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 4 (México) · Caño estructural 115x75 (Argentina)

The RHS 115x75x6.3 steel profile weighs 16.7 kg/m (11.25 lb/ft), has a depth of 115 mm (4.53 in), flange width 75 mm (2.95 in). Cross-sectional area: 2,133.029 mm². Moment of inertia Ix = 359.822 cm⁴, Iy = 183.519 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	115 mm	4.53 in
Width (b)	75 mm	2.95 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	16.7 kg/m	11.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,133.03 mm²	3.306 in²
Moment of inertia (Ix)	359.82 cm⁴	8.64 in⁴
Moment of inertia (Iy)	183.52 cm⁴	4.41 in⁴
Elastic section modulus (Sx)	62.58 cm³	3.819 in³
Elastic section modulus (Sy)	48.94 cm³	2.986 in³
Plastic section modulus (Zx)	78.63 cm³	4.799 in³
Plastic section modulus (Zy)	58.33 cm³	3.559 in³
Radius of gyration (rx)	4.11 cm	1.617 in
Radius of gyration (ry)	2.93 cm	1.155 in