RHS 203.2x101.6x9.53 CISC · Weight & Dimensions

CISC, 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 203.2x101.6 (México) · Caño estructural 203.2x101.6 (Argentina)

The RHS 203.2x101.6x9.53 steel profile weighs 40.9 kg/m (27.50 lb/ft), has a depth of 203.2 mm (8.00 in), flange width 101.6 mm (4.00 in). Cross-sectional area: 5,212.32 mm². Moment of inertia Ix = 2,576.236 cm⁴, Iy = 857.039 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	203.2 mm	8.00 in
Width (b)	101.6 mm	4.00 in
Thickness (t)	9.5 mm	0.38 in
Fillet radius (r)	19.1 mm	0.75 in
Weight	40.9 kg/m	27.50 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,212.32 mm²	8.079 in²
Moment of inertia (Ix)	2,576.24 cm⁴	61.89 in⁴
Moment of inertia (Iy)	857.04 cm⁴	20.59 in⁴
Elastic section modulus (Sx)	253.57 cm³	15.474 in³
Elastic section modulus (Sy)	168.71 cm³	10.295 in³
Plastic section modulus (Zx)	325.75 cm³	19.878 in³
Plastic section modulus (Zy)	199.29 cm³	12.162 in³
Radius of gyration (rx)	7.03 cm	2.768 in
Radius of gyration (ry)	4.05 cm	1.596 in