I 390x160x6.3x12.5 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 390x160x6.3x12.5 (México) · Doble T I 390x160x6.3x12.5 (Argentina / LATAM) · UB 390 (UK / Australia)

The I 390x160x6.3x12.5 steel profile weighs 49.5 kg/m (33.23 lb/ft), has a depth of 390 mm (15.35 in), flange width 160 mm (6.30 in). Cross-sectional area: 6,299.5 mm². Moment of inertia Ix = 16,808.757 cm⁴, Iy = 854.094 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	390 mm	15.35 in
Width (b)	160 mm	6.30 in
Web thickness (tw)	6.3 mm	0.25 in
Flange thickness (tf)	12.5 mm	0.49 in
Weight	49.5 kg/m	33.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,299.5 mm²	9.764 in²
Moment of inertia (Ix)	16,808.76 cm⁴	403.83 in⁴
Moment of inertia (Iy)	854.09 cm⁴	20.52 in⁴
Elastic section modulus (Sx)	861.99 cm³	52.602 in³
Elastic section modulus (Sy)	106.76 cm³	6.515 in³
Plastic section modulus (Zx)	964.83 cm³	58.878 in³
Plastic section modulus (Zy)	163.62 cm³	9.985 in³
Radius of gyration (rx)	16.33 cm	6.431 in
Radius of gyration (ry)	3.68 cm	1.450 in