W 542 x 150,7 British Steel · Weight & Dimensions

British Steel, hot-rolled 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: IPR 542 x 150,7 (México) · Doble T 542 x 150,7 (Argentina / LATAM) · UB 542.5 (UK / Australia)

The W 542 x 150,7 steel profile weighs 150.7 kg/m (101.28 lb/ft), has a depth of 542.5 mm (21.36 in), flange width 312 mm (12.28 in). Cross-sectional area: 19,179.783 mm². Moment of inertia Ix = 100,632.816 cm⁴, Iy = 10,285.447 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	542.5 mm	21.36 in
Width (b)	312 mm	12.28 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	20.3 mm	0.80 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	150.7 kg/m	101.28 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,179.78 mm²	29.729 in²
Moment of inertia (Ix)	100,632.82 cm⁴	2417.70 in⁴
Moment of inertia (Iy)	10,285.45 cm⁴	247.11 in⁴
Elastic section modulus (Sx)	3,709.97 cm³	226.397 in³
Elastic section modulus (Sy)	659.32 cm³	40.235 in³
Plastic section modulus (Zx)	4,141.55 cm³	252.734 in³
Plastic section modulus (Zy)	1,009.55 cm³	61.607 in³
Radius of gyration (rx)	22.91 cm	9.018 in
Radius of gyration (ry)	7.32 cm	2.883 in