RHS 400x300x12.5 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 400x300x12.5 steel profile weighs 127.2 kg/m (85.46 lb/ft), has a depth of 400 mm (15.75 in), flange width 300 mm (11.81 in). Cross-sectional area: 16,204.369 mm². Moment of inertia Ix = 36,488.517 cm⁴, Iy = 23,517.405 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)	12.5 mm	0.49 in
Fillet radius (r)	37.5 mm	1.48 in
Weight	127.2 kg/m	85.46 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,204.37 mm²	25.117 in²
Moment of inertia (Ix)	36,488.52 cm⁴	876.64 in⁴
Moment of inertia (Iy)	23,517.41 cm⁴	565.01 in⁴
Elastic section modulus (Sx)	1,824.43 cm³	111.334 in³
Elastic section modulus (Sy)	1,567.83 cm³	95.675 in³
Plastic section modulus (Zx)	2,198.31 cm³	134.150 in³
Plastic section modulus (Zy)	1,809.97 cm³	110.452 in³
Radius of gyration (rx)	15.01 cm	5.908 in
Radius of gyration (ry)	12.05 cm	4.743 in