I 1115x490x15.5x30 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 1115x490x15.5x30 (México) · Doble T I 1115x490x15.5x30 (Argentina / LATAM) · UB 1115 (UK / Australia)

The I 1115x490x15.5x30 steel profile weighs 359.2 kg/m (241.36 lb/ft), has a depth of 1115 mm (43.90 in), flange width 490 mm (19.29 in). Cross-sectional area: 45,752.5 mm². Moment of inertia Ix = 1,017,153.719 cm⁴, Iy = 58,857.239 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1115 mm	43.90 in
Width (b)	490 mm	19.29 in
Web thickness (tw)	15.5 mm	0.61 in
Flange thickness (tf)	30 mm	1.18 in
Weight	359.2 kg/m	241.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	45,752.5 mm²	70.916 in²
Moment of inertia (Ix)	1,017,153.72 cm⁴	24437.12 in⁴
Moment of inertia (Iy)	58,857.24 cm⁴	1414.05 in⁴
Elastic section modulus (Sx)	18,244.91 cm³	1113.377 in³
Elastic section modulus (Sy)	2,402.34 cm³	146.600 in³
Plastic section modulus (Zx)	20,262.47 cm³	1236.497 in³
Plastic section modulus (Zy)	3,664.87 cm³	223.645 in³
Radius of gyration (rx)	47.15 cm	18.563 in
Radius of gyration (ry)	11.34 cm	4.465 in