W 420 x 114,5 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 420 x 114,5 (México) · Doble T 420 x 114,5 (Argentina / LATAM) · UB 420 (UK / Australia)

The W 420 x 114,5 steel profile weighs 114.5 kg/m (76.91 lb/ft), has a depth of 420 mm (16.54 in), flange width 261 mm (10.28 in). Cross-sectional area: 14,498.84 mm². Moment of inertia Ix = 45,833.976 cm⁴, Iy = 5,724.06 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	420 mm	16.54 in
Width (b)	261 mm	10.28 in
Web thickness (tw)	11.6 mm	0.46 in
Flange thickness (tf)	19.3 mm	0.76 in
Weight	114.5 kg/m	76.91 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,498.84 mm²	22.473 in²
Moment of inertia (Ix)	45,833.98 cm⁴	1101.16 in⁴
Moment of inertia (Iy)	5,724.06 cm⁴	137.52 in⁴
Elastic section modulus (Sx)	2,182.57 cm³	133.189 in³
Elastic section modulus (Sy)	438.63 cm³	26.767 in³
Plastic section modulus (Zx)	2,440.3 cm³	148.917 in³
Plastic section modulus (Zy)	670.2 cm³	40.898 in³
Radius of gyration (rx)	17.78 cm	7.000 in
Radius of gyration (ry)	6.28 cm	2.474 in