CHS 245x40 GOST · Weight & Dimensions

GOST, 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 245x40 steel profile weighs 202.2 kg/m (135.89 lb/ft). Cross-sectional area: 25,761.06 mm². Moment of inertia Ix = 14,047.828 cm⁴, Iy = 14,047.828 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	40 mm	1.57 in
Diameter (d)	245 mm	9.65 in
Weight	202.2 kg/m	135.89 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,761.06 mm²	39.930 in²
Moment of inertia (Ix)	14,047.83 cm⁴	337.50 in⁴
Moment of inertia (Iy)	14,047.83 cm⁴	337.50 in⁴
Elastic section modulus (Sx)	1,146.76 cm³	69.980 in³
Elastic section modulus (Sy)	1,146.76 cm³	69.980 in³
Plastic section modulus (Zx)	1,702.33 cm³	103.883 in³
Plastic section modulus (Zy)	1,702.33 cm³	103.883 in³
Radius of gyration (rx)	7.38 cm	2.907 in
Radius of gyration (ry)	7.38 cm	2.907 in