RHS 102x76x7.9 IMCA · Weight & Dimensions

IMCA, cold-formed sections · 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 102x76 (México) · Caño estructural 102x76 (Argentina)

The RHS 102x76x7.9 steel profile weighs 18.9 kg/m (12.71 lb/ft), has a depth of 102 mm (4.02 in), flange width 76 mm (2.99 in). Cross-sectional area: 2,402.04 mm². Moment of inertia Ix = 311.466 cm⁴, Iy = 195.075 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	102 mm	4.02 in
Width (b)	76 mm	2.99 in
Thickness (t)	7.9 mm	0.31 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	18.9 kg/m	12.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,402.04 mm²	3.723 in²
Moment of inertia (Ix)	311.47 cm⁴	7.48 in⁴
Moment of inertia (Iy)	195.07 cm⁴	4.69 in⁴
Elastic section modulus (Sx)	61.07 cm³	3.727 in³
Elastic section modulus (Sy)	51.34 cm³	3.133 in³
Plastic section modulus (Zx)	77.89 cm³	4.753 in³
Plastic section modulus (Zy)	63.32 cm³	3.864 in³
Radius of gyration (rx)	3.6 cm	1.418 in
Radius of gyration (ry)	2.85 cm	1.122 in