I 620x240x12.5x20 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 620x240x12.5x20 (México) · Doble T I 620x240x12.5x20 (Argentina / LATAM) · UB 620 (UK / Australia)

The I 620x240x12.5x20 steel profile weighs 132.3 kg/m (88.89 lb/ft), has a depth of 620 mm (24.41 in), flange width 240 mm (9.45 in). Cross-sectional area: 16,850 mm². Moment of inertia Ix = 106,756.167 cm⁴, Iy = 4,617.44 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	620 mm	24.41 in
Width (b)	240 mm	9.45 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	20 mm	0.79 in
Weight	132.3 kg/m	88.89 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,850 mm²	26.117 in²
Moment of inertia (Ix)	106,756.17 cm⁴	2564.82 in⁴
Moment of inertia (Iy)	4,617.44 cm⁴	110.93 in⁴
Elastic section modulus (Sx)	3,443.75 cm³	210.151 in³
Elastic section modulus (Sy)	384.79 cm³	23.481 in³
Plastic section modulus (Zx)	3,931.25 cm³	239.901 in³
Plastic section modulus (Zy)	598.66 cm³	36.532 in³
Radius of gyration (rx)	25.17 cm	9.910 in
Radius of gyration (ry)	5.23 cm	2.061 in