I 533.4x304.8x7.9x12.7 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 533.4x304.8x7.9x12.7 (México) · Doble T I 533.4x304.8x7.9x12.7 (Argentina / LATAM) · UB 533.4 (UK / Australia)

The I 533.4x304.8x7.9x12.7 steel profile weighs 92.3 kg/m (62.01 lb/ft), has a depth of 533.4 mm (21.00 in), flange width 304.8 mm (12.00 in). Cross-sectional area: 11,755.12 mm². Moment of inertia Ix = 61,117.303 cm⁴, Iy = 5,995.82 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)	12.7 mm	0.50 in
Weight	92.3 kg/m	62.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,755.12 mm²	18.220 in²
Moment of inertia (Ix)	61,117.3 cm⁴	1468.34 in⁴
Moment of inertia (Iy)	5,995.82 cm⁴	144.05 in⁴
Elastic section modulus (Sx)	2,291.61 cm³	139.843 in³
Elastic section modulus (Sy)	393.43 cm³	24.008 in³
Plastic section modulus (Zx)	2,525.29 cm³	154.103 in³
Plastic section modulus (Zy)	597.86 cm³	36.484 in³
Radius of gyration (rx)	22.8 cm	8.977 in
Radius of gyration (ry)	7.14 cm	2.812 in