RHS 203.2x101.6x12.7 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 203.2x101.6x12.7 steel profile weighs 52.5 kg/m (35.25 lb/ft), has a depth of 203.2 mm (8.00 in), flange width 101.6 mm (4.00 in). Cross-sectional area: 6,681.402 mm². Moment of inertia Ix = 3,126.261 cm⁴, Iy = 1,023.617 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	52.5 kg/m	35.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,681.4 mm²	10.356 in²
Moment of inertia (Ix)	3,126.26 cm⁴	75.11 in⁴
Moment of inertia (Iy)	1,023.62 cm⁴	24.59 in⁴
Elastic section modulus (Sx)	307.7 cm³	18.777 in³
Elastic section modulus (Sy)	201.5 cm³	12.296 in³
Plastic section modulus (Zx)	405.34 cm³	24.735 in³
Plastic section modulus (Zy)	246.18 cm³	15.023 in³
Radius of gyration (rx)	6.84 cm	2.693 in
Radius of gyration (ry)	3.91 cm	1.541 in