RHS 305x203x12.7 IMCA · Weight & Dimensions

IMCA, 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 305x203 (México) · Caño estructural 305x203 (Argentina)

The RHS 305x203x12.7 steel profile weighs 93.2 kg/m (62.62 lb/ft), has a depth of 305 mm (12.01 in), flange width 203 mm (7.99 in). Cross-sectional area: 11,842.682 mm². Moment of inertia Ix = 14,711.744 cm⁴, Iy = 7,802.481 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	305 mm	12.01 in
Width (b)	203 mm	7.99 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	93.2 kg/m	62.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,842.68 mm²	18.356 in²
Moment of inertia (Ix)	14,711.74 cm⁴	353.45 in⁴
Moment of inertia (Iy)	7,802.48 cm⁴	187.45 in⁴
Elastic section modulus (Sx)	964.7 cm³	58.870 in³
Elastic section modulus (Sy)	768.72 cm³	46.910 in³
Plastic section modulus (Zx)	1,187.65 cm³	72.475 in³
Plastic section modulus (Zy)	896.25 cm³	54.693 in³
Radius of gyration (rx)	11.15 cm	4.388 in
Radius of gyration (ry)	8.12 cm	3.196 in