W 912 x 342,4 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 912 x 342,4 (México) · Doble T 912 x 342,4 (Argentina / LATAM) · UB 912 (UK / Australia)

The W 912 x 342,4 steel profile weighs 342.4 kg/m (230.11 lb/ft), has a depth of 912 mm (35.91 in), flange width 418 mm (16.46 in). Cross-sectional area: 43,118.4 mm². Moment of inertia Ix = 616,223.201 cm⁴, Iy = 39,002.606 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	912 mm	35.91 in
Width (b)	418 mm	16.46 in
Web thickness (tw)	19.3 mm	0.76 in
Flange thickness (tf)	32 mm	1.26 in
Weight	342.4 kg/m	230.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	43,118.4 mm²	66.834 in²
Moment of inertia (Ix)	616,223.2 cm⁴	14804.76 in⁴
Moment of inertia (Iy)	39,002.61 cm⁴	937.04 in⁴
Elastic section modulus (Sx)	13,513.67 cm³	824.658 in³
Elastic section modulus (Sy)	1,866.15 cm³	113.880 in³
Plastic section modulus (Zx)	15,240.56 cm³	930.040 in³
Plastic section modulus (Zy)	2,874.55 cm³	175.417 in³
Radius of gyration (rx)	37.8 cm	14.883 in
Radius of gyration (ry)	9.51 cm	3.744 in