CS 350x135 Usiminas · Weight & Dimensions

Usiminas, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: CS 350x135 (México) · Doble T CS 350x135 (Argentina / LATAM) · UB 350 (UK / Australia)

The CS 350x135 steel profile weighs 135.0 kg/m (90.73 lb/ft), has a depth of 350 mm (13.78 in), flange width 350 mm (13.78 in). Cross-sectional area: 17,200 mm². Moment of inertia Ix = 39,632.723 cm⁴, Iy = 13,582.161 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	350 mm	13.78 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	19 mm	0.75 in
Weight	135.0 kg/m	90.73 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	17,200 mm²	26.660 in²
Moment of inertia (Ix)	39,632.72 cm⁴	952.18 in⁴
Moment of inertia (Iy)	13,582.16 cm⁴	326.31 in⁴
Elastic section modulus (Sx)	2,264.73 cm³	138.203 in³
Elastic section modulus (Sy)	776.12 cm³	47.362 in³
Plastic section modulus (Zx)	2,505.35 cm³	152.886 in³
Plastic section modulus (Zy)	1,175.94 cm³	71.760 in³
Radius of gyration (rx)	15.18 cm	5.976 in
Radius of gyration (ry)	8.89 cm	3.499 in