RHS 127x50.8x9.53 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 127x50.8 (México) · Caño estructural 127x50.8 (Argentina)

The RHS 127x50.8x9.53 steel profile weighs 21.9 kg/m (14.72 lb/ft), has a depth of 127 mm (5.00 in), flange width 50.8 mm (2.00 in). Cross-sectional area: 2,791.7 mm². Moment of inertia Ix = 445.641 cm⁴, Iy = 97.141 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	127 mm	5.00 in
Width (b)	50.8 mm	2.00 in
Thickness (t)	9.5 mm	0.38 in
Fillet radius (r)	19.1 mm	0.75 in
Weight	21.9 kg/m	14.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,791.7 mm²	4.327 in²
Moment of inertia (Ix)	445.64 cm⁴	10.71 in⁴
Moment of inertia (Iy)	97.14 cm⁴	2.33 in⁴
Elastic section modulus (Sx)	70.18 cm³	4.283 in³
Elastic section modulus (Sy)	38.24 cm³	2.334 in³
Plastic section modulus (Zx)	97.95 cm³	5.978 in³
Plastic section modulus (Zy)	49.23 cm³	3.004 in³
Radius of gyration (rx)	4 cm	1.573 in
Radius of gyration (ry)	1.87 cm	0.734 in