RHS 400x300x16 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 400x300x16 steel profile weighs 166.0 kg/m (111.55 lb/ft), has a depth of 400 mm (15.75 in), flange width 300 mm (11.81 in). Cross-sectional area: 20,936.495 mm². Moment of inertia Ix = 47,007.776 cm⁴, Iy = 30,030.895 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)	16 mm	0.63 in
Fillet radius (r)	24 mm	0.94 in
Weight	166.0 kg/m	111.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,936.5 mm²	32.452 in²
Moment of inertia (Ix)	47,007.78 cm⁴	1129.36 in⁴
Moment of inertia (Iy)	30,030.89 cm⁴	721.49 in⁴
Elastic section modulus (Sx)	2,350.39 cm³	143.430 in³
Elastic section modulus (Sy)	2,002.06 cm³	122.174 in³
Plastic section modulus (Zx)	2,840.36 cm³	173.330 in³
Plastic section modulus (Zy)	2,327.94 cm³	142.060 in³
Radius of gyration (rx)	14.98 cm	5.899 in
Radius of gyration (ry)	11.98 cm	4.715 in