I 540x300x12.5x25 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 540x300x12.5x25 (México) · Doble T I 540x300x12.5x25 (Argentina / LATAM) · UB 540 (UK / Australia)

The I 540x300x12.5x25 steel profile weighs 165.6 kg/m (111.31 lb/ft), has a depth of 540 mm (21.26 in), flange width 300 mm (11.81 in). Cross-sectional area: 21,125 mm². Moment of inertia Ix = 111,792.604 cm⁴, Iy = 11,257.975 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	540 mm	21.26 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	25 mm	0.98 in
Weight	165.6 kg/m	111.31 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,125 mm²	32.744 in²
Moment of inertia (Ix)	111,792.6 cm⁴	2685.82 in⁴
Moment of inertia (Iy)	11,257.98 cm⁴	270.47 in⁴
Elastic section modulus (Sx)	4,140.47 cm³	252.668 in³
Elastic section modulus (Sy)	750.53 cm³	45.800 in³
Plastic section modulus (Zx)	4,612.81 cm³	281.492 in³
Plastic section modulus (Zy)	1,144.14 cm³	69.820 in³
Radius of gyration (rx)	23 cm	9.057 in
Radius of gyration (ry)	7.3 cm	2.874 in