I 900x350x12x16 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 900x350x12x16 (México) · Doble T I 900x350x12x16 (Argentina / LATAM) · UB 900 (UK / Australia)

The I 900x350x12x16 steel profile weighs 169.7 kg/m (114.05 lb/ft), has a depth of 900 mm (35.43 in), flange width 350 mm (13.78 in). Cross-sectional area: 21,616 mm². Moment of inertia Ix = 284,228.777 cm⁴, Iy = 11,445.833 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)	16 mm	0.63 in
Weight	169.7 kg/m	114.05 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,616 mm²	33.505 in²
Moment of inertia (Ix)	284,228.78 cm⁴	6828.60 in⁴
Moment of inertia (Iy)	11,445.83 cm⁴	274.99 in⁴
Elastic section modulus (Sx)	6,316.2 cm³	385.439 in³
Elastic section modulus (Sy)	654.05 cm³	39.913 in³
Plastic section modulus (Zx)	7,210.67 cm³	440.024 in³
Plastic section modulus (Zy)	1,011.25 cm³	61.710 in³
Radius of gyration (rx)	36.26 cm	14.276 in
Radius of gyration (ry)	7.28 cm	2.865 in