RHS 400x300x10 Tata Steel Celsius · Weight & Dimensions

Tata Steel Celsius · 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 400x300x10 steel profile weighs 106.0 kg/m (71.23 lb/ft), has a depth of 400 mm (15.75 in), flange width 300 mm (11.81 in). Cross-sectional area: 13,428.319 mm². Moment of inertia Ix = 31,294.847 cm⁴, Iy = 20,111.204 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)	10 mm	0.39 in
Fillet radius (r)	15 mm	0.59 in
Weight	106.0 kg/m	71.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	13,428.32 mm²	20.814 in²
Moment of inertia (Ix)	31,294.85 cm⁴	751.86 in⁴
Moment of inertia (Iy)	20,111.2 cm⁴	483.17 in⁴
Elastic section modulus (Sx)	1,564.74 cm³	95.487 in³
Elastic section modulus (Sy)	1,340.75 cm³	81.818 in³
Plastic section modulus (Zx)	1,858.07 cm³	113.387 in³
Plastic section modulus (Zy)	1,526.66 cm³	93.163 in³
Radius of gyration (rx)	15.27 cm	6.010 in
Radius of gyration (ry)	12.24 cm	4.818 in