W 543 x 151,0 IMCA · Weight & Dimensions

IMCA, 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 543 x 151,0 (México) · Doble T 543 x 151,0 (Argentina / LATAM) · UB 543 (UK / Australia)

The W 543 x 151,0 steel profile weighs 151.0 kg/m (101.45 lb/ft), has a depth of 543 mm (21.38 in), flange width 312 mm (12.28 in). Cross-sectional area: 19,047.68 mm². Moment of inertia Ix = 99,985.901 cm⁴, Iy = 10,284.209 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	543 mm	21.38 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
Weight	151.0 kg/m	101.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,047.68 mm²	29.524 in²
Moment of inertia (Ix)	99,985.9 cm⁴	2402.16 in⁴
Moment of inertia (Iy)	10,284.21 cm⁴	247.08 in⁴
Elastic section modulus (Sx)	3,682.72 cm³	224.734 in³
Elastic section modulus (Sy)	659.24 cm³	40.230 in³
Plastic section modulus (Zx)	4,111.96 cm³	250.928 in³
Plastic section modulus (Zy)	1,008.3 cm³	61.530 in³
Radius of gyration (rx)	22.91 cm	9.020 in
Radius of gyration (ry)	7.35 cm	2.893 in