I 700x240x12.5x25 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 700x240x12.5x25 (México) · Doble T I 700x240x12.5x25 (Argentina / LATAM) · UB 700 (UK / Australia)

The I 700x240x12.5x25 steel profile weighs 158.0 kg/m (106.16 lb/ft), has a depth of 700 mm (27.56 in), flange width 240 mm (9.45 in). Cross-sectional area: 20,125 mm². Moment of inertia Ix = 165,356.771 cm⁴, Iy = 5,770.579 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	700 mm	27.56 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	158.0 kg/m	106.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,125 mm²	31.194 in²
Moment of inertia (Ix)	165,356.77 cm⁴	3972.70 in⁴
Moment of inertia (Iy)	5,770.58 cm⁴	138.64 in⁴
Elastic section modulus (Sx)	4,724.48 cm³	288.307 in³
Elastic section modulus (Sy)	480.88 cm³	29.345 in³
Plastic section modulus (Zx)	5,370.31 cm³	327.718 in³
Plastic section modulus (Zy)	745.39 cm³	45.487 in³
Radius of gyration (rx)	28.66 cm	11.285 in
Radius of gyration (ry)	5.35 cm	2.108 in