RHS 400x250x8 Tecnometal · Weight & Dimensions

Tecnometal, cold-formed sections (Italy) · 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 400x250 (México) · Caño estructural 400x250 (Argentina)

The RHS 400x250x8 steel profile weighs 78.3 kg/m (52.64 lb/ft), has a depth of 400 mm (15.75 in), flange width 250 mm (9.84 in). Cross-sectional area: 9,979.186 mm². Moment of inertia Ix = 22,268.992 cm⁴, Iy = 10,830.771 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	250 mm	9.84 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	16 mm	0.63 in
Weight	78.3 kg/m	52.64 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,979.19 mm²	15.468 in²
Moment of inertia (Ix)	22,268.99 cm⁴	535.01 in⁴
Moment of inertia (Iy)	10,830.77 cm⁴	260.21 in⁴
Elastic section modulus (Sx)	1,113.45 cm³	67.947 in³
Elastic section modulus (Sy)	866.46 cm³	52.875 in³
Plastic section modulus (Zx)	1,341.11 cm³	81.840 in³
Plastic section modulus (Zy)	973.07 cm³	59.381 in³
Radius of gyration (rx)	14.94 cm	5.881 in
Radius of gyration (ry)	10.42 cm	4.102 in