RHS 320x200x8 SAISC · Weight & Dimensions

SAISC, 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 320x200 (México) · Caño estructural 320x200 (Argentina)

The RHS 320x200x8 steel profile weighs 61.6 kg/m (41.38 lb/ft), has a depth of 320 mm (12.60 in), flange width 200 mm (7.87 in). Cross-sectional area: 7,844.248 mm². Moment of inertia Ix = 10,979.733 cm⁴, Iy = 5,336.75 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	320 mm	12.60 in
Width (b)	200 mm	7.87 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	20 mm	0.79 in
Weight	61.6 kg/m	41.38 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,844.25 mm²	12.159 in²
Moment of inertia (Ix)	10,979.73 cm⁴	263.79 in⁴
Moment of inertia (Iy)	5,336.75 cm⁴	128.22 in⁴
Elastic section modulus (Sx)	686.23 cm³	41.877 in³
Elastic section modulus (Sy)	533.67 cm³	32.567 in³
Plastic section modulus (Zx)	833.92 cm³	50.889 in³
Plastic section modulus (Zy)	605.18 cm³	36.931 in³
Radius of gyration (rx)	11.83 cm	4.658 in
Radius of gyration (ry)	8.25 cm	3.247 in