RHS 400x300x12 Tuboeuropa · Weight & Dimensions

Tuboeuropa, 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 400x300 (México) · Caño estructural 400x300 (Argentina)

The RHS 400x300x12 steel profile weighs 122.5 kg/m (82.29 lb/ft), has a depth of 400 mm (15.75 in), flange width 300 mm (11.81 in). Cross-sectional area: 15,605.947 mm². Moment of inertia Ix = 35,283.94 cm⁴, Iy = 22,746.874 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	300 mm	11.81 in
Thickness (t)	12 mm	0.47 in
Fillet radius (r)	36 mm	1.42 in
Weight	122.5 kg/m	82.29 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	15,605.95 mm²	24.189 in²
Moment of inertia (Ix)	35,283.94 cm⁴	847.70 in⁴
Moment of inertia (Iy)	22,746.87 cm⁴	546.49 in⁴
Elastic section modulus (Sx)	1,764.2 cm³	107.658 in³
Elastic section modulus (Sy)	1,516.46 cm³	92.540 in³
Plastic section modulus (Zx)	2,121.81 cm³	129.481 in³
Plastic section modulus (Zy)	1,747.11 cm³	106.616 in³
Radius of gyration (rx)	15.04 cm	5.920 in
Radius of gyration (ry)	12.07 cm	4.753 in