I 1264x360x12.7x31.8 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.

Also known as: I 1264x360x12.7x31.8 (México) · Doble T I 1264x360x12.7x31.8 (Argentina / LATAM) · UB 1264 (UK / Australia)

The I 1264x360x12.7x31.8 steel profile weighs 299.4 kg/m (201.20 lb/ft), has a depth of 1264 mm (49.76 in), flange width 360 mm (14.17 in). Cross-sectional area: 38,141.08 mm². Moment of inertia Ix = 1,052,340.445 cm⁴, Iy = 24,748.171 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)	12.7 mm	0.50 in
Flange thickness (tf)	31.8 mm	1.25 in
Weight	299.4 kg/m	201.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	38,141.08 mm²	59.119 in²
Moment of inertia (Ix)	1,052,340.44 cm⁴	25282.48 in⁴
Moment of inertia (Iy)	24,748.17 cm⁴	594.57 in⁴
Elastic section modulus (Sx)	16,650.96 cm³	1016.108 in³
Elastic section modulus (Sy)	1,374.9 cm³	83.902 in³
Plastic section modulus (Zx)	18,681.27 cm³	1140.006 in³
Plastic section modulus (Zy)	2,109.04 cm³	128.702 in³
Radius of gyration (rx)	52.53 cm	20.680 in
Radius of gyration (ry)	8.06 cm	3.171 in