RHS 305x102x12.7 IMCA · Weight & Dimensions

IMCA, 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 305x102 (México) · Caño estructural 305x102 (Argentina)

The RHS 305x102x12.7 steel profile weighs 72.9 kg/m (49.01 lb/ft), has a depth of 305 mm (12.01 in), flange width 102 mm (4.02 in). Cross-sectional area: 9,277.282 mm². Moment of inertia Ix = 9,228.647 cm⁴, Iy = 1,552.462 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	305 mm	12.01 in
Width (b)	102 mm	4.02 in
Thickness (t)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	72.9 kg/m	49.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,277.28 mm²	14.380 in²
Moment of inertia (Ix)	9,228.65 cm⁴	221.72 in⁴
Moment of inertia (Iy)	1,552.46 cm⁴	37.30 in⁴
Elastic section modulus (Sx)	605.16 cm³	36.929 in³
Elastic section modulus (Sy)	304.4 cm³	18.576 in³
Plastic section modulus (Zx)	812.71 cm³	49.595 in³
Plastic section modulus (Zy)	362.97 cm³	22.150 in³
Radius of gyration (rx)	9.97 cm	3.927 in
Radius of gyration (ry)	4.09 cm	1.611 in