RHS 400x200x12.5 V&M do Brasil · Weight & Dimensions

V&M do Brasil, hot-rolled 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 400x200 (México) · Caño estructural 400x200 (Argentina)

The RHS 400x200x12.5 steel profile weighs 109.7 kg/m (73.71 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 13,972.622 mm². Moment of inertia Ix = 28,191.009 cm⁴, Iy = 9,535.497 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	200 mm	7.87 in
Thickness (t)	12.5 mm	0.49 in
Fillet radius (r)	25 mm	0.98 in
Weight	109.7 kg/m	73.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	13,972.62 mm²	21.658 in²
Moment of inertia (Ix)	28,191.01 cm⁴	677.29 in⁴
Moment of inertia (Iy)	9,535.5 cm⁴	229.09 in⁴
Elastic section modulus (Sx)	1,409.55 cm³	86.016 in³
Elastic section modulus (Sy)	953.55 cm³	58.189 in³
Plastic section modulus (Zx)	1,768.13 cm³	107.898 in³
Plastic section modulus (Zy)	1,089.61 cm³	66.493 in³
Radius of gyration (rx)	14.2 cm	5.592 in
Radius of gyration (ry)	8.26 cm	3.252 in