CHS 508x12 SAISC · Weight & Dimensions

SAISC, 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 508x12 steel profile weighs 146.8 kg/m (98.64 lb/ft). Cross-sectional area: 18,698.759 mm². Moment of inertia Ix = 57,536.083 cm⁴, Iy = 57,536.083 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	12 mm	0.47 in
Diameter (d)	508 mm	20.00 in
Weight	146.8 kg/m	98.64 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	18,698.76 mm²	28.983 in²
Moment of inertia (Ix)	57,536.08 cm⁴	1382.30 in⁴
Moment of inertia (Iy)	57,536.08 cm⁴	1382.30 in⁴
Elastic section modulus (Sx)	2,265.2 cm³	138.232 in³
Elastic section modulus (Sy)	2,265.2 cm³	138.232 in³
Plastic section modulus (Zx)	2,952.77 cm³	180.190 in³
Plastic section modulus (Zy)	2,952.77 cm³	180.190 in³
Radius of gyration (rx)	17.54 cm	6.906 in
Radius of gyration (ry)	17.54 cm	6.906 in