I 533.4x304.8x7.9x9.5 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 533.4x304.8x7.9x9.5 (México) · Doble T I 533.4x304.8x7.9x9.5 (Argentina / LATAM) · UB 533.4 (UK / Australia)

The I 533.4x304.8x7.9x9.5 steel profile weighs 77.4 kg/m (51.99 lb/ft), has a depth of 533.4 mm (21.00 in), flange width 304.8 mm (12.00 in). Cross-sectional area: 9,854.96 mm². Moment of inertia Ix = 48,703.137 cm⁴, Iy = 4,485.614 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	533.4 mm	21.00 in
Width (b)	304.8 mm	12.00 in
Web thickness (tw)	7.9 mm	0.31 in
Flange thickness (tf)	9.5 mm	0.37 in
Weight	77.4 kg/m	51.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,854.96 mm²	15.275 in²
Moment of inertia (Ix)	48,703.14 cm⁴	1170.09 in⁴
Moment of inertia (Iy)	4,485.61 cm⁴	107.77 in⁴
Elastic section modulus (Sx)	1,826.14 cm³	111.438 in³
Elastic section modulus (Sy)	294.33 cm³	17.961 in³
Plastic section modulus (Zx)	2,039.6 cm³	124.465 in³
Plastic section modulus (Zy)	449.32 cm³	27.419 in³
Radius of gyration (rx)	22.23 cm	8.752 in
Radius of gyration (ry)	6.75 cm	2.656 in