I 900x240x12.5x25 IAS · Weight & Dimensions

IAS, 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.

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Also known as: I 900x240x12.5x25 (México) · Doble T I 900x240x12.5x25 (Argentina / LATAM) · UB 900 (UK / Australia)

The I 900x240x12.5x25 steel profile weighs 177.6 kg/m (119.35 lb/ft), has a depth of 900 mm (35.43 in), flange width 240 mm (9.45 in). Cross-sectional area: 22,625 mm². Moment of inertia Ix = 293,721.354 cm⁴, Iy = 5,773.835 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	900 mm	35.43 in
Width (b)	240 mm	9.45 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	25 mm	0.98 in
Weight	177.6 kg/m	119.35 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	22,625 mm²	35.069 in²
Moment of inertia (Ix)	293,721.35 cm⁴	7056.66 in⁴
Moment of inertia (Iy)	5,773.83 cm⁴	138.72 in⁴
Elastic section modulus (Sx)	6,527.14 cm³	398.312 in³
Elastic section modulus (Sy)	481.15 cm³	29.362 in³
Plastic section modulus (Zx)	7,507.81 cm³	458.157 in³
Plastic section modulus (Zy)	753.2 cm³	45.963 in³
Radius of gyration (rx)	36.03 cm	14.185 in
Radius of gyration (ry)	5.05 cm	1.989 in