I 537x210x12.5x20 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 537x210x12.5x20 (México) · Doble T I 537x210x12.5x20 (Argentina / LATAM) · UB 537 (UK / Australia)

The I 537x210x12.5x20 steel profile weighs 114.7 kg/m (77.09 lb/ft), has a depth of 537 mm (21.14 in), flange width 210 mm (8.27 in). Cross-sectional area: 14,612.5 mm². Moment of inertia Ix = 68,946.552 cm⁴, Iy = 3,095.089 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	537 mm	21.14 in
Width (b)	210 mm	8.27 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	20 mm	0.79 in
Weight	114.7 kg/m	77.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,612.5 mm²	22.649 in²
Moment of inertia (Ix)	68,946.55 cm⁴	1656.44 in⁴
Moment of inertia (Iy)	3,095.09 cm⁴	74.36 in⁴
Elastic section modulus (Sx)	2,567.84 cm³	156.700 in³
Elastic section modulus (Sy)	294.77 cm³	17.988 in³
Plastic section modulus (Zx)	2,943.3 cm³	179.612 in³
Plastic section modulus (Zy)	460.41 cm³	28.096 in³
Radius of gyration (rx)	21.72 cm	8.552 in
Radius of gyration (ry)	4.6 cm	1.812 in