I 1264x360x9.5x31.8 IMCA · Weight & Dimensions

IMCA, 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 1264x360x9.5x31.8 (México) · Doble T I 1264x360x9.5x31.8 (Argentina / LATAM) · UB 1264 (UK / Australia)

The I 1264x360x9.5x31.8 steel profile weighs 269.3 kg/m (180.94 lb/ft), has a depth of 1264 mm (49.76 in), flange width 360 mm (14.17 in). Cross-sectional area: 34,299.8 mm². Moment of inertia Ix = 1,006,214.349 cm⁴, Iy = 24,736.257 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1264 mm	49.76 in
Width (b)	360 mm	14.17 in
Web thickness (tw)	9.5 mm	0.37 in
Flange thickness (tf)	31.8 mm	1.25 in
Weight	269.3 kg/m	180.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	34,299.8 mm²	53.165 in²
Moment of inertia (Ix)	1,006,214.35 cm⁴	24174.30 in⁴
Moment of inertia (Iy)	24,736.26 cm⁴	594.29 in⁴
Elastic section modulus (Sx)	15,921.11 cm³	971.570 in³
Elastic section modulus (Sy)	1,374.24 cm³	83.861 in³
Plastic section modulus (Zx)	17,528.51 cm³	1069.660 in³
Plastic section modulus (Zy)	2,087.72 cm³	127.401 in³
Radius of gyration (rx)	54.16 cm	21.324 in
Radius of gyration (ry)	8.49 cm	3.343 in