I 350x350x16x28 CISC · Weight & Dimensions

CISC, 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: I 350x350x16x28 (México) · Doble T I 350x350x16x28 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x350x16x28 steel profile weighs 190.8 kg/m (128.21 lb/ft), has a depth of 350 mm (13.78 in), flange width 350 mm (13.78 in). Cross-sectional area: 24,304 mm². Moment of inertia Ix = 54,321.505 cm⁴, Iy = 20,018.369 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)	16 mm	0.63 in
Flange thickness (tf)	28 mm	1.10 in
Weight	190.8 kg/m	128.21 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	24,304 mm²	37.671 in²
Moment of inertia (Ix)	54,321.5 cm⁴	1305.07 in⁴
Moment of inertia (Iy)	20,018.37 cm⁴	480.94 in⁴
Elastic section modulus (Sx)	3,104.09 cm³	189.424 in³
Elastic section modulus (Sy)	1,143.91 cm³	69.806 in³
Plastic section modulus (Zx)	3,501.34 cm³	213.666 in³
Plastic section modulus (Zy)	1,733.82 cm³	105.804 in³
Radius of gyration (rx)	14.95 cm	5.886 in
Radius of gyration (ry)	9.08 cm	3.573 in