RHS 70x30x2 Acindar · Weight & Dimensions

Acindar, 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 70x30 cal 15 (México) · Caño estructural 70x30 (Argentina)

The RHS 70x30x2 steel profile weighs 2.9 kg/m (1.97 lb/ft), has a depth of 70 mm (2.76 in), flange width 30 mm (1.18 in). Cross-sectional area: 373.699 mm². Moment of inertia Ix = 22.225 cm⁴, Iy = 5.863 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2 mm ≈ 14 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	70 mm	2.76 in
Width (b)	30 mm	1.18 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	2.9 kg/m	1.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	373.7 mm²	0.579 in²
Moment of inertia (Ix)	22.22 cm⁴	0.53 in⁴
Moment of inertia (Iy)	5.86 cm⁴	0.14 in⁴
Elastic section modulus (Sx)	6.35 cm³	0.387 in³
Elastic section modulus (Sy)	3.91 cm³	0.239 in³
Plastic section modulus (Zx)	8.08 cm³	0.493 in³
Plastic section modulus (Zy)	4.45 cm³	0.271 in³
Radius of gyration (rx)	2.44 cm	0.960 in
Radius of gyration (ry)	1.25 cm	0.493 in