RHS 160x90x12.7 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 160x90 (México) · Caño estructural 160x90 (Argentina)

The RHS 160x90x12.7 steel profile weighs 41.5 kg/m (27.90 lb/ft), has a depth of 160 mm (6.30 in), flange width 90 mm (3.54 in). Cross-sectional area: 5,289.482 mm². Moment of inertia Ix = 1,509.645 cm⁴, Iy = 594.805 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	90 mm	3.54 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	41.5 kg/m	27.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,289.48 mm²	8.199 in²
Moment of inertia (Ix)	1,509.64 cm⁴	36.27 in⁴
Moment of inertia (Iy)	594.8 cm⁴	14.29 in⁴
Elastic section modulus (Sx)	188.71 cm³	11.516 in³
Elastic section modulus (Sy)	132.18 cm³	8.066 in³
Plastic section modulus (Zx)	251.17 cm³	15.327 in³
Plastic section modulus (Zy)	165.87 cm³	10.122 in³
Radius of gyration (rx)	5.34 cm	2.103 in
Radius of gyration (ry)	3.35 cm	1.320 in