RHS 127x63.5x7.95 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 127x63.5 (México) · Caño estructural 127x63.5 (Argentina)

The RHS 127x63.5x7.95 steel profile weighs 20.5 kg/m (13.79 lb/ft), has a depth of 127 mm (5.00 in), flange width 63.5 mm (2.50 in). Cross-sectional area: 2,613.38 mm². Moment of inertia Ix = 477.491 cm⁴, Iy = 156.328 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	127 mm	5.00 in
Width (b)	63.5 mm	2.50 in
Thickness (t)	8.0 mm	0.31 in
Fillet radius (r)	15.9 mm	0.63 in
Weight	20.5 kg/m	13.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,613.38 mm²	4.051 in²
Moment of inertia (Ix)	477.49 cm⁴	11.47 in⁴
Moment of inertia (Iy)	156.33 cm⁴	3.76 in⁴
Elastic section modulus (Sx)	75.2 cm³	4.589 in³
Elastic section modulus (Sy)	49.24 cm³	3.005 in³
Plastic section modulus (Zx)	99.07 cm³	6.046 in³
Plastic section modulus (Zy)	60.17 cm³	3.672 in³
Radius of gyration (rx)	4.27 cm	1.683 in
Radius of gyration (ry)	2.45 cm	0.963 in