RHS 310x210x12.7 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 310x210 (México) · Caño estructural 310x210 (Argentina)

The RHS 310x210x12.7 steel profile weighs 95.4 kg/m (64.08 lb/ft), has a depth of 310 mm (12.20 in), flange width 210 mm (8.27 in). Cross-sectional area: 12,147.482 mm². Moment of inertia Ix = 15,706.115 cm⁴, Iy = 8,568.2 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 in
Width (b)	210 mm	8.27 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	95.4 kg/m	64.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,147.48 mm²	18.829 in²
Moment of inertia (Ix)	15,706.12 cm⁴	377.34 in⁴
Moment of inertia (Iy)	8,568.2 cm⁴	205.85 in⁴
Elastic section modulus (Sx)	1,013.3 cm³	61.835 in³
Elastic section modulus (Sy)	816.02 cm³	49.797 in³
Plastic section modulus (Zx)	1,243.84 cm³	75.904 in³
Plastic section modulus (Zy)	950.54 cm³	58.006 in³
Radius of gyration (rx)	11.37 cm	4.477 in
Radius of gyration (ry)	8.4 cm	3.306 in