I 1905x508x12.7x47.6 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 1905x508x12.7x47.6 (México) · Doble T I 1905x508x12.7x47.6 (Argentina / LATAM) · UB 1905 (UK / Australia)

The I 1905x508x12.7x47.6 steel profile weighs 560.1 kg/m (376.37 lb/ft), has a depth of 1905 mm (75.00 in), flange width 508 mm (20.00 in). Cross-sectional area: 71,346.06 mm². Moment of inertia Ix = 4,799,378.5 cm⁴, Iy = 104,034.126 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1905 mm	75.00 in
Width (b)	508 mm	20.00 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	47.6 mm	1.87 in
Weight	560.1 kg/m	376.37 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	71,346.06 mm²	110.586 in²
Moment of inertia (Ix)	4,799,378.5 cm⁴	115305.07 in⁴
Moment of inertia (Iy)	104,034.13 cm⁴	2499.42 in⁴
Elastic section modulus (Sx)	50,387.18 cm³	3074.827 in³
Elastic section modulus (Sy)	4,095.83 cm³	249.944 in³
Plastic section modulus (Zx)	55,312.74 cm³	3375.404 in³
Plastic section modulus (Zy)	6,214.9 cm³	379.258 in³
Radius of gyration (rx)	82.02 cm	32.290 in
Radius of gyration (ry)	12.08 cm	4.754 in