I 900x350x12x22 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 900x350x12x22 (México) · Doble T I 900x350x12x22 (Argentina / LATAM) · UB 900 (UK / Australia)

The I 900x350x12x22 steel profile weighs 201.5 kg/m (135.41 lb/ft), has a depth of 900 mm (35.43 in), flange width 350 mm (13.78 in). Cross-sectional area: 25,672 mm². Moment of inertia Ix = 359,574.655 cm⁴, Iy = 15,733.16 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)	22 mm	0.87 in
Weight	201.5 kg/m	135.41 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,672 mm²	39.792 in²
Moment of inertia (Ix)	359,574.65 cm⁴	8638.78 in⁴
Moment of inertia (Iy)	15,733.16 cm⁴	377.99 in⁴
Elastic section modulus (Sx)	7,990.55 cm³	487.615 in³
Elastic section modulus (Sy)	899.04 cm³	54.863 in³
Plastic section modulus (Zx)	8,958.81 cm³	546.702 in³
Plastic section modulus (Zy)	1,378.32 cm³	84.110 in³
Radius of gyration (rx)	37.43 cm	14.734 in
Radius of gyration (ry)	7.83 cm	3.082 in