RHS 356x152x6.4 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 356x152 cal 3 (México) · Caño estructural 356x152 (Argentina)

The RHS 356x152x6.4 steel profile weighs 48.6 kg/m (32.64 lb/ft), has a depth of 356 mm (14.02 in), flange width 152 mm (5.98 in). Cross-sectional area: 6,233.079 mm². Moment of inertia Ix = 9,927.704 cm⁴, Iy = 2,645.317 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.4 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	356 mm	14.02 in
Width (b)	152 mm	5.98 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	48.6 kg/m	32.64 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,233.08 mm²	9.661 in²
Moment of inertia (Ix)	9,927.7 cm⁴	238.51 in⁴
Moment of inertia (Iy)	2,645.32 cm⁴	63.55 in⁴
Elastic section modulus (Sx)	557.74 cm³	34.035 in³
Elastic section modulus (Sy)	348.07 cm³	21.241 in³
Plastic section modulus (Zx)	698.36 cm³	42.617 in³
Plastic section modulus (Zy)	385.85 cm³	23.546 in³
Radius of gyration (rx)	12.62 cm	4.969 in
Radius of gyration (ry)	6.51 cm	2.565 in