RHS 305x203x9.5 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 305x203x9.5 steel profile weighs 71.4 kg/m (47.99 lb/ft), has a depth of 305 mm (12.01 in), flange width 203 mm (7.99 in). Cross-sectional area: 9,058.586 mm². Moment of inertia Ix = 11,599.014 cm⁴, Iy = 6,184.243 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	71.4 kg/m	47.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,058.59 mm²	14.041 in²
Moment of inertia (Ix)	11,599.01 cm⁴	278.67 in⁴
Moment of inertia (Iy)	6,184.24 cm⁴	148.58 in⁴
Elastic section modulus (Sx)	760.59 cm³	46.414 in³
Elastic section modulus (Sy)	609.29 cm³	37.181 in³
Plastic section modulus (Zx)	923.37 cm³	56.348 in³
Plastic section modulus (Zy)	698.31 cm³	42.613 in³
Radius of gyration (rx)	11.32 cm	4.455 in
Radius of gyration (ry)	8.26 cm	3.253 in