W 918 x 307,2 KS · Weight & Dimensions

KS, 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 918 x 307,2 (México) · Doble T 918 x 307,2 (Argentina / LATAM) · UB 918 (UK / Australia)

The W 918 x 307,2 steel profile weighs 307.2 kg/m (206.42 lb/ft), has a depth of 918 mm (36.14 in), flange width 303 mm (11.93 in). Cross-sectional area: 39,130.991 mm². Moment of inertia Ix = 542,158.82 cm⁴, Iy = 17,221.312 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	918 mm	36.14 in
Width (b)	303 mm	11.93 in
Web thickness (tw)	19 mm	0.75 in
Flange thickness (tf)	37 mm	1.46 in
Fillet radius (r)	28 mm	1.10 in
Weight	307.2 kg/m	206.42 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	39,130.99 mm²	60.653 in²
Moment of inertia (Ix)	542,158.82 cm⁴	13025.37 in⁴
Moment of inertia (Iy)	17,221.31 cm⁴	413.74 in⁴
Elastic section modulus (Sx)	11,811.74 cm³	720.800 in³
Elastic section modulus (Sy)	1,136.72 cm³	69.367 in³
Plastic section modulus (Zx)	13,540.28 cm³	826.282 in³
Plastic section modulus (Zy)	1,785.24 cm³	108.942 in³
Radius of gyration (rx)	37.22 cm	14.654 in
Radius of gyration (ry)	6.63 cm	2.612 in