RHS 300x100x12.5 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 300x100 (México) · Caño estructural 300x100 (Argentina)

The RHS 300x100x12.5 steel profile weighs 72.3 kg/m (48.59 lb/ft), has a depth of 300 mm (11.81 in), flange width 100 mm (3.94 in). Cross-sectional area: 9,106.748 mm². Moment of inertia Ix = 8,922.074 cm⁴, Iy = 1,473.869 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	100 mm	3.94 in
Thickness (t)	12.5 mm	0.49 in
Fillet radius (r)	18.8 mm	0.74 in
Weight	72.3 kg/m	48.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,106.75 mm²	14.115 in²
Moment of inertia (Ix)	8,922.07 cm⁴	214.35 in⁴
Moment of inertia (Iy)	1,473.87 cm⁴	35.41 in⁴
Elastic section modulus (Sx)	594.8 cm³	36.297 in³
Elastic section modulus (Sy)	294.77 cm³	17.988 in³
Plastic section modulus (Zx)	792.59 cm³	48.367 in³
Plastic section modulus (Zy)	350.67 cm³	21.399 in³
Radius of gyration (rx)	9.9 cm	3.897 in
Radius of gyration (ry)	4.02 cm	1.584 in