RHS 76x38x3 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 11 (México) · Caño estructural 76x38 (Argentina)

The RHS 76x38x3 steel profile weighs 4.9 kg/m (3.30 lb/ft), has a depth of 76 mm (2.99 in), flange width 38 mm (1.50 in). Cross-sectional area: 624.823 mm². Moment of inertia Ix = 44.296 cm⁴, Iy = 14.852 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	76 mm	2.99 in
Width (b)	38 mm	1.50 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	4.9 kg/m	3.30 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	624.82 mm²	0.968 in²
Moment of inertia (Ix)	44.3 cm⁴	1.06 in⁴
Moment of inertia (Iy)	14.85 cm⁴	0.36 in⁴
Elastic section modulus (Sx)	11.66 cm³	0.711 in³
Elastic section modulus (Sy)	7.82 cm³	0.477 in³
Plastic section modulus (Zx)	14.8 cm³	0.903 in³
Plastic section modulus (Zy)	9.09 cm³	0.555 in³
Radius of gyration (rx)	2.66 cm	1.048 in
Radius of gyration (ry)	1.54 cm	0.607 in