RHS 70x10x1 Hiasa · Weight & Dimensions

Hiasa, 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 70x10 cal 18 (México) · Caño estructural 70x10 (Argentina)

The RHS 70x10x1 steel profile weighs 1.2 kg/m (0.81 lb/ft), has a depth of 70 mm (2.76 in), flange width 10 mm (0.39 in). Cross-sectional area: 153.425 mm². Moment of inertia Ix = 7.309 cm⁴, Iy = 0.287 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	70 mm	2.76 in
Width (b)	10 mm	0.39 in
Thickness (t)	1 mm	0.04 in
Fillet radius (r)	2 mm	0.08 in
Weight	1.2 kg/m	0.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	153.42 mm²	0.238 in²
Moment of inertia (Ix)	7.31 cm⁴	0.18 in⁴
Moment of inertia (Iy)	0.29 cm⁴	0.01 in⁴
Elastic section modulus (Sx)	2.09 cm³	0.127 in³
Elastic section modulus (Sy)	0.57 cm³	0.035 in³
Plastic section modulus (Zx)	2.91 cm³	0.178 in³
Plastic section modulus (Zy)	0.65 cm³	0.040 in³
Radius of gyration (rx)	2.18 cm	0.859 in
Radius of gyration (ry)	0.43 cm	0.170 in