I 1372x406.4x11.1x15.9 AHMSA · Weight & Dimensions

AHMSA, 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 1372x406.4x11.1x15.9 (México) · Doble T I 1372x406.4x11.1x15.9 (Argentina / LATAM) · UB 1372 (UK / Australia)

The I 1372x406.4x11.1x15.9 steel profile weighs 218.2 kg/m (146.62 lb/ft), has a depth of 1372 mm (54.02 in), flange width 406.4 mm (16.00 in). Cross-sectional area: 27,799.74 mm². Moment of inertia Ix = 816,852.679 cm⁴, Iy = 17,802.449 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1372 mm	54.02 in
Width (b)	406.4 mm	16.00 in
Web thickness (tw)	11.1 mm	0.44 in
Flange thickness (tf)	15.9 mm	0.63 in
Weight	218.2 kg/m	146.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	27,799.74 mm²	43.090 in²
Moment of inertia (Ix)	816,852.68 cm⁴	19624.89 in⁴
Moment of inertia (Iy)	17,802.45 cm⁴	427.70 in⁴
Elastic section modulus (Sx)	11,907.47 cm³	726.642 in³
Elastic section modulus (Sy)	876.1 cm³	53.463 in³
Plastic section modulus (Zx)	13,747.07 cm³	838.901 in³
Plastic section modulus (Zy)	1,354.31 cm³	82.645 in³
Radius of gyration (rx)	54.21 cm	21.341 in
Radius of gyration (ry)	8 cm	3.151 in