I 900x350x12x25 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 900x350x12x25 (México) · Doble T I 900x350x12x25 (Argentina / LATAM) · UB 900 (UK / Australia)

The I 900x350x12x25 steel profile weighs 217.4 kg/m (146.13 lb/ft), has a depth of 900 mm (35.43 in), flange width 350 mm (13.78 in). Cross-sectional area: 27,700 mm². Moment of inertia Ix = 396,464.583 cm⁴, Iy = 17,876.823 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)	25 mm	0.98 in
Weight	217.4 kg/m	146.13 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	27,700 mm²	42.935 in²
Moment of inertia (Ix)	396,464.58 cm⁴	9525.06 in⁴
Moment of inertia (Iy)	17,876.82 cm⁴	429.49 in⁴
Elastic section modulus (Sx)	8,810.32 cm³	537.641 in³
Elastic section modulus (Sy)	1,021.53 cm³	62.338 in³
Plastic section modulus (Zx)	9,823.75 cm³	599.485 in³
Plastic section modulus (Zy)	1,561.85 cm³	95.310 in³
Radius of gyration (rx)	37.83 cm	14.895 in
Radius of gyration (ry)	8.03 cm	3.163 in