RHS 200x75x4.25 Tecnometal · Weight & Dimensions

Tecnometal, cold-formed sections (Brazil) · 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 200x75 cal 8 (México) · Caño estructural 200x75 (Argentina)

The RHS 200x75x4.25 steel profile weighs 17.4 kg/m (11.71 lb/ft), has a depth of 200 mm (7.87 in), flange width 75 mm (2.95 in). Cross-sectional area: 2,218.735 mm². Moment of inertia Ix = 1,062.466 cm⁴, Iy = 227.565 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.25 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	75 mm	2.95 in
Thickness (t)	4.3 mm	0.17 in
Fillet radius (r)	8.5 mm	0.33 in
Weight	17.4 kg/m	11.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,218.74 mm²	3.439 in²
Moment of inertia (Ix)	1,062.47 cm⁴	25.53 in⁴
Moment of inertia (Iy)	227.57 cm⁴	5.47 in⁴
Elastic section modulus (Sx)	106.25 cm³	6.484 in³
Elastic section modulus (Sy)	60.68 cm³	3.703 in³
Plastic section modulus (Zx)	135.71 cm³	8.282 in³
Plastic section modulus (Zy)	67.83 cm³	4.139 in³
Radius of gyration (rx)	6.92 cm	2.724 in
Radius of gyration (ry)	3.2 cm	1.261 in