RHS 177.8x127x11.13 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 177.8x127 (México) · Caño estructural 177.8x127 (Argentina)

The RHS 177.8x127x11.13 steel profile weighs 46.9 kg/m (31.50 lb/ft), has a depth of 177.8 mm (7.00 in), flange width 127 mm (5.00 in). Cross-sectional area: 5,970.33 mm². Moment of inertia Ix = 2,424.193 cm⁴, Iy = 1,425.728 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	177.8 mm	7.00 in
Width (b)	127 mm	5.00 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.3 mm	0.88 in
Weight	46.9 kg/m	31.50 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,970.33 mm²	9.254 in²
Moment of inertia (Ix)	2,424.19 cm⁴	58.24 in⁴
Moment of inertia (Iy)	1,425.73 cm⁴	34.25 in⁴
Elastic section modulus (Sx)	272.69 cm³	16.640 in³
Elastic section modulus (Sy)	224.52 cm³	13.701 in³
Plastic section modulus (Zx)	342.53 cm³	20.902 in³
Plastic section modulus (Zy)	270.76 cm³	16.523 in³
Radius of gyration (rx)	6.37 cm	2.509 in
Radius of gyration (ry)	4.89 cm	1.924 in