RHS 230x170x6.4 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 230x170 cal 3 (México) · Caño estructural 230x170 (Argentina)

The RHS 230x170x6.4 steel profile weighs 38.1 kg/m (25.59 lb/ft), has a depth of 230 mm (9.06 in), flange width 170 mm (6.69 in). Cross-sectional area: 4,850.679 mm². Moment of inertia Ix = 3,676.99 cm⁴, Iy = 2,311.245 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.4 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	230 mm	9.06 in
Width (b)	170 mm	6.69 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	38.1 kg/m	25.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,850.68 mm²	7.519 in²
Moment of inertia (Ix)	3,676.99 cm⁴	88.34 in⁴
Moment of inertia (Iy)	2,311.24 cm⁴	55.53 in⁴
Elastic section modulus (Sx)	319.74 cm³	19.512 in³
Elastic section modulus (Sy)	271.91 cm³	16.593 in³
Plastic section modulus (Zx)	382.24 cm³	23.326 in³
Plastic section modulus (Zy)	311.06 cm³	18.982 in³
Radius of gyration (rx)	8.71 cm	3.428 in
Radius of gyration (ry)	6.9 cm	2.718 in