RHS 200x100x4 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 200x100 cal 8 (México) · Caño estructural 200x100 (Argentina)

The RHS 200x100x4 steel profile weighs 18.0 kg/m (12.11 lb/ft), has a depth of 200 mm (7.87 in), flange width 100 mm (3.94 in). Cross-sectional area: 2,294.796 mm². Moment of inertia Ix = 1,199.705 cm⁴, Iy = 410.778 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	100 mm	3.94 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	18.0 kg/m	12.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,294.8 mm²	3.557 in²
Moment of inertia (Ix)	1,199.71 cm⁴	28.82 in⁴
Moment of inertia (Iy)	410.78 cm⁴	9.87 in⁴
Elastic section modulus (Sx)	119.97 cm³	7.321 in³
Elastic section modulus (Sy)	82.16 cm³	5.013 in³
Plastic section modulus (Zx)	148.04 cm³	9.034 in³
Plastic section modulus (Zy)	91.7 cm³	5.596 in³
Radius of gyration (rx)	7.23 cm	2.847 in
Radius of gyration (ry)	4.23 cm	1.666 in