RHS 100x50x6 SAISC · Weight & Dimensions

SAISC, 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 100x50 cal 4 (México) · Caño estructural 100x50 (Argentina)

The RHS 100x50x6 steel profile weighs 12.3 kg/m (8.25 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,563.292 mm². Moment of inertia Ix = 178.754 cm⁴, Iy = 58.674 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	50 mm	1.97 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	12 mm	0.47 in
Weight	12.3 kg/m	8.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,563.29 mm²	2.423 in²
Moment of inertia (Ix)	178.75 cm⁴	4.29 in⁴
Moment of inertia (Iy)	58.67 cm⁴	1.41 in⁴
Elastic section modulus (Sx)	35.75 cm³	2.182 in³
Elastic section modulus (Sy)	23.47 cm³	1.432 in³
Plastic section modulus (Zx)	46.9 cm³	2.862 in³
Plastic section modulus (Zy)	28.52 cm³	1.740 in³
Radius of gyration (rx)	3.38 cm	1.331 in
Radius of gyration (ry)	1.94 cm	0.763 in