RHS 200x70x4 Cintac · Weight & Dimensions

Cintac, 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 200x70 cal 8 (México) · Caño estructural 200x70 (Argentina)

The RHS 200x70x4 steel profile weighs 16.1 kg/m (10.84 lb/ft), has a depth of 200 mm (7.87 in), flange width 70 mm (2.76 in). Cross-sectional area: 2,054.796 mm². Moment of inertia Ix = 969.177 cm⁴, Iy = 185.515 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	70 mm	2.76 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	16.1 kg/m	10.84 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,054.8 mm²	3.185 in²
Moment of inertia (Ix)	969.18 cm⁴	23.28 in⁴
Moment of inertia (Iy)	185.51 cm⁴	4.46 in⁴
Elastic section modulus (Sx)	96.92 cm³	5.914 in³
Elastic section modulus (Sy)	53 cm³	3.235 in³
Plastic section modulus (Zx)	124.52 cm³	7.599 in³
Plastic section modulus (Zy)	59.08 cm³	3.605 in³
Radius of gyration (rx)	6.87 cm	2.704 in
Radius of gyration (ry)	3 cm	1.183 in