RHS 350x190x8.8 Açotubo · Weight & Dimensions

Açotubo, 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 350x190 (México) · Caño estructural 350x190 (Argentina)

The RHS 350x190x8.8 steel profile weighs 70.6 kg/m (47.45 lb/ft), has a depth of 350 mm (13.78 in), flange width 190 mm (7.48 in). Cross-sectional area: 8,994.815 mm². Moment of inertia Ix = 14,522.14 cm⁴, Iy = 5,638.22 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	190 mm	7.48 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	70.6 kg/m	47.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,994.81 mm²	13.942 in²
Moment of inertia (Ix)	14,522.14 cm⁴	348.89 in⁴
Moment of inertia (Iy)	5,638.22 cm⁴	135.46 in⁴
Elastic section modulus (Sx)	829.84 cm³	50.640 in³
Elastic section modulus (Sy)	593.5 cm³	36.218 in³
Plastic section modulus (Zx)	1,022.07 cm³	62.371 in³
Plastic section modulus (Zy)	670.26 cm³	40.902 in³
Radius of gyration (rx)	12.71 cm	5.002 in
Radius of gyration (ry)	7.92 cm	3.117 in