W 531 x 901,6 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 531 x 901,6 (México) · Doble T 531 x 901,6 (Argentina / LATAM) · UB 531 (UK / Australia)

The W 531 x 901,6 steel profile weighs 901.6 kg/m (605.86 lb/ft), has a depth of 531 mm (20.91 in), flange width 442 mm (17.40 in). Cross-sectional area: 114,726.1 mm². Moment of inertia Ix = 449,732.859 cm⁴, Iy = 153,314.027 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	531 mm	20.91 in
Width (b)	442 mm	17.40 in
Web thickness (tw)	65.9 mm	2.59 in
Flange thickness (tf)	106 mm	4.17 in
Weight	901.6 kg/m	605.86 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	114,726.1 mm²	177.825 in²
Moment of inertia (Ix)	449,732.86 cm⁴	10804.83 in⁴
Moment of inertia (Iy)	153,314.03 cm⁴	3683.37 in⁴
Elastic section modulus (Sx)	16,939.09 cm³	1033.691 in³
Elastic section modulus (Sy)	6,937.29 cm³	423.341 in³
Plastic section modulus (Zx)	21,588.61 cm³	1317.423 in³
Plastic section modulus (Zy)	10,700.63 cm³	652.995 in³
Radius of gyration (rx)	19.8 cm	7.795 in
Radius of gyration (ry)	11.56 cm	4.551 in