I 1270x508x12.7x22.2 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 1270x508x12.7x22.2 (México) · Doble T I 1270x508x12.7x22.2 (Argentina / LATAM) · UB 1270 (UK / Australia)

The I 1270x508x12.7x22.2 steel profile weighs 299.2 kg/m (201.09 lb/ft), has a depth of 1270 mm (50.00 in), flange width 508 mm (20.00 in). Cross-sectional area: 38,120.32 mm². Moment of inertia Ix = 1,072,892.311 cm⁴, Iy = 48,526.63 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1270 mm	50.00 in
Width (b)	508 mm	20.00 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	22.2 mm	0.87 in
Weight	299.2 kg/m	201.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	38,120.32 mm²	59.086 in²
Moment of inertia (Ix)	1,072,892.31 cm⁴	25776.24 in⁴
Moment of inertia (Iy)	48,526.63 cm⁴	1165.85 in⁴
Elastic section modulus (Sx)	16,895.94 cm³	1031.058 in³
Elastic section modulus (Sy)	1,910.5 cm³	116.586 in³
Plastic section modulus (Zx)	18,841.34 cm³	1149.774 in³
Plastic section modulus (Zy)	2,913.93 cm³	177.820 in³
Radius of gyration (rx)	53.05 cm	20.886 in
Radius of gyration (ry)	11.28 cm	4.442 in