RHS 76x38x2.5 SAISC · Weight & Dimensions

SAISC, 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 76x38 cal 13 (México) · Caño estructural 76x38 (Argentina)

The RHS 76x38x2.5 steel profile weighs 4.2 kg/m (2.79 lb/ft), has a depth of 76 mm (2.99 in), flange width 38 mm (1.50 in). Cross-sectional area: 528.905 mm². Moment of inertia Ix = 38.317 cm⁴, Iy = 12.938 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.5 mm ≈ 12 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	76 mm	2.99 in
Width (b)	38 mm	1.50 in
Thickness (t)	2.5 mm	0.10 in
Fillet radius (r)	5 mm	0.20 in
Weight	4.2 kg/m	2.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	528.9 mm²	0.820 in²
Moment of inertia (Ix)	38.32 cm⁴	0.92 in⁴
Moment of inertia (Iy)	12.94 cm⁴	0.31 in⁴
Elastic section modulus (Sx)	10.08 cm³	0.615 in³
Elastic section modulus (Sy)	6.81 cm³	0.416 in³
Plastic section modulus (Zx)	12.68 cm³	0.774 in³
Plastic section modulus (Zy)	7.81 cm³	0.476 in³
Radius of gyration (rx)	2.69 cm	1.060 in
Radius of gyration (ry)	1.56 cm	0.616 in