I 1372x508x12.7x34.9 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 1372x508x12.7x34.9 (México) · Doble T I 1372x508x12.7x34.9 (Argentina / LATAM) · UB 1372 (UK / Australia)

The I 1372x508x12.7x34.9 steel profile weighs 408.1 kg/m (274.26 lb/ft), has a depth of 1372 mm (54.02 in), flange width 508 mm (20.00 in). Cross-sectional area: 51,996.34 mm². Moment of inertia Ix = 1,818,903.667 cm⁴, Iy = 76,276.7 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1372 mm	54.02 in
Width (b)	508 mm	20.00 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	34.9 mm	1.37 in
Weight	408.1 kg/m	274.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	51,996.34 mm²	80.594 in²
Moment of inertia (Ix)	1,818,903.67 cm⁴	43699.16 in⁴
Moment of inertia (Iy)	76,276.7 cm⁴	1832.55 in⁴
Elastic section modulus (Sx)	26,514.63 cm³	1618.029 in³
Elastic section modulus (Sy)	3,003.02 cm³	183.256 in³
Plastic section modulus (Zx)	29,089.64 cm³	1775.166 in³
Plastic section modulus (Zy)	4,555.72 cm³	278.009 in³
Radius of gyration (rx)	59.15 cm	23.285 in
Radius of gyration (ry)	12.11 cm	4.768 in