I 650x300x15.5x30 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 650x300x15.5x30 (México) · Doble T I 650x300x15.5x30 (Argentina / LATAM) · UB 650 (UK / Australia)

The I 650x300x15.5x30 steel profile weighs 213.1 kg/m (143.20 lb/ft), has a depth of 650 mm (25.59 in), flange width 300 mm (11.81 in). Cross-sectional area: 27,145 mm². Moment of inertia Ix = 199,643.121 cm⁴, Iy = 13,518.309 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	650 mm	25.59 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	15.5 mm	0.61 in
Flange thickness (tf)	30 mm	1.18 in
Weight	213.1 kg/m	143.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	27,145 mm²	42.075 in²
Moment of inertia (Ix)	199,643.12 cm⁴	4796.43 in⁴
Moment of inertia (Iy)	13,518.31 cm⁴	324.78 in⁴
Elastic section modulus (Sx)	6,142.87 cm³	374.862 in³
Elastic section modulus (Sy)	901.22 cm³	54.996 in³
Plastic section modulus (Zx)	6,928.89 cm³	422.828 in³
Plastic section modulus (Zy)	1,385.44 cm³	84.545 in³
Radius of gyration (rx)	27.12 cm	10.677 in
Radius of gyration (ry)	7.06 cm	2.778 in