RHS 203.2x152.4x6.35 CISC · Weight & Dimensions

CISC, 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 203.2x152.4 cal 3 (México) · Caño estructural 203.2x152.4 (Argentina)

The RHS 203.2x152.4x6.35 steel profile weighs 33.4 kg/m (22.42 lb/ft), has a depth of 203.2 mm (8.00 in), flange width 152.4 mm (6.00 in). Cross-sectional area: 4,250.991 mm². Moment of inertia Ix = 2,502.652 cm⁴, Iy = 1,607.194 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.35 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	203.2 mm	8.00 in
Width (b)	152.4 mm	6.00 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	33.4 kg/m	22.42 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,250.99 mm²	6.589 in²
Moment of inertia (Ix)	2,502.65 cm⁴	60.13 in⁴
Moment of inertia (Iy)	1,607.19 cm⁴	38.61 in⁴
Elastic section modulus (Sx)	246.32 cm³	15.032 in³
Elastic section modulus (Sy)	210.92 cm³	12.871 in³
Plastic section modulus (Zx)	295.29 cm³	18.020 in³
Plastic section modulus (Zy)	242.63 cm³	14.806 in³
Radius of gyration (rx)	7.67 cm	3.021 in
Radius of gyration (ry)	6.15 cm	2.421 in