RHS 200x75x3.75 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 200x75x3.75 steel profile weighs 15.5 kg/m (10.39 lb/ft), has a depth of 200 mm (7.87 in), flange width 75 mm (2.95 in). Cross-sectional area: 1,970.036 mm². Moment of inertia Ix = 951.802 cm⁴, Iy = 204.87 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.75 mm ≈ 9 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	75 mm	2.95 in
Thickness (t)	3.8 mm	0.15 in
Fillet radius (r)	7.5 mm	0.30 in
Weight	15.5 kg/m	10.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,970.04 mm²	3.054 in²
Moment of inertia (Ix)	951.8 cm⁴	22.87 in⁴
Moment of inertia (Iy)	204.87 cm⁴	4.92 in⁴
Elastic section modulus (Sx)	95.18 cm³	5.808 in³
Elastic section modulus (Sy)	54.63 cm³	3.334 in³
Plastic section modulus (Zx)	121.08 cm³	7.389 in³
Plastic section modulus (Zy)	60.65 cm³	3.701 in³
Radius of gyration (rx)	6.95 cm	2.737 in
Radius of gyration (ry)	3.22 cm	1.270 in