I 900x350x12x28 Cintac · Weight & Dimensions

Cintac, 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 900x350x12x28 (México) · Doble T I 900x350x12x28 (Argentina / LATAM) · UB 900 (UK / Australia)

The I 900x350x12x28 steel profile weighs 233.4 kg/m (156.83 lb/ft), has a depth of 900 mm (35.43 in), flange width 350 mm (13.78 in). Cross-sectional area: 29,728 mm². Moment of inertia Ix = 432,837.372 cm⁴, Iy = 20,020.487 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	900 mm	35.43 in
Width (b)	350 mm	13.78 in
Web thickness (tw)	12 mm	0.47 in
Flange thickness (tf)	28 mm	1.10 in
Weight	233.4 kg/m	156.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	29,728 mm²	46.078 in²
Moment of inertia (Ix)	432,837.37 cm⁴	10398.92 in⁴
Moment of inertia (Iy)	20,020.49 cm⁴	480.99 in⁴
Elastic section modulus (Sx)	9,618.61 cm³	586.966 in³
Elastic section modulus (Sy)	1,144.03 cm³	69.813 in³
Plastic section modulus (Zx)	10,682.61 cm³	651.895 in³
Plastic section modulus (Zy)	1,745.38 cm³	106.510 in³
Radius of gyration (rx)	38.16 cm	15.023 in
Radius of gyration (ry)	8.21 cm	3.231 in