CHS 355.6x7.95 CISC · Weight & Dimensions

CISC, cold-formed sections · Circular Hollow Section

Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.

Also known as: Caño estructural redondo (Argentina)

The CHS 355.6x7.95 steel profile weighs 68.2 kg/m (45.80 lb/ft). Cross-sectional area: 8,682.789 mm². Moment of inertia Ix = 13,124.439 cm⁴, Iy = 13,124.439 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8.0 mm	0.31 in
Diameter (d)	355.6 mm	14.00 in
Weight	68.2 kg/m	45.80 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,682.79 mm²	13.458 in²
Moment of inertia (Ix)	13,124.44 cm⁴	315.31 in⁴
Moment of inertia (Iy)	13,124.44 cm⁴	315.31 in⁴
Elastic section modulus (Sx)	738.16 cm³	45.045 in³
Elastic section modulus (Sy)	738.16 cm³	45.045 in³
Plastic section modulus (Zx)	961.01 cm³	58.645 in³
Plastic section modulus (Zy)	961.01 cm³	58.645 in³
Radius of gyration (rx)	12.29 cm	4.840 in
Radius of gyration (ry)	12.29 cm	4.840 in