RHS 300x150x8 Tata Steel · Weight & Dimensions

Tata Steel, 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 300x150 (México) · Caño estructural 300x150 (Argentina)

The RHS 300x150x8 steel profile weighs 53.2 kg/m (35.76 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 6,724.248 mm². Moment of inertia Ix = 7,683.567 cm⁴, Iy = 2,622.953 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	150 mm	5.91 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	20 mm	0.79 in
Weight	53.2 kg/m	35.76 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,724.25 mm²	10.423 in²
Moment of inertia (Ix)	7,683.57 cm⁴	184.60 in⁴
Moment of inertia (Iy)	2,622.95 cm⁴	63.02 in⁴
Elastic section modulus (Sx)	512.24 cm³	31.259 in³
Elastic section modulus (Sy)	349.73 cm³	21.342 in³
Plastic section modulus (Zx)	640.27 cm³	39.072 in³
Plastic section modulus (Zy)	396.36 cm³	24.187 in³
Radius of gyration (rx)	10.69 cm	4.208 in
Radius of gyration (ry)	6.25 cm	2.459 in