W 545 x 122,5 SAISC · Weight & Dimensions

SAISC, 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 545 x 122,5 (México) · Doble T 545 x 122,5 (Argentina / LATAM) · UB 544.6 (UK / Australia)

The W 545 x 122,5 steel profile weighs 122.5 kg/m (82.29 lb/ft), has a depth of 544.6 mm (21.44 in), flange width 211.9 mm (8.34 in). Cross-sectional area: 15,590.993 mm². Moment of inertia Ix = 76,179.924 cm⁴, Iy = 3,387.734 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	544.6 mm	21.44 in
Width (b)	211.9 mm	8.34 in
Web thickness (tw)	12.8 mm	0.50 in
Flange thickness (tf)	21.3 mm	0.84 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	122.5 kg/m	82.29 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	15,590.99 mm²	24.166 in²
Moment of inertia (Ix)	76,179.92 cm⁴	1830.22 in⁴
Moment of inertia (Iy)	3,387.73 cm⁴	81.39 in⁴
Elastic section modulus (Sx)	2,797.65 cm³	170.724 in³
Elastic section modulus (Sy)	319.75 cm³	19.512 in³
Plastic section modulus (Zx)	3,202.67 cm³	195.440 in³
Plastic section modulus (Zy)	500.04 cm³	30.515 in³
Radius of gyration (rx)	22.1 cm	8.703 in
Radius of gyration (ry)	4.66 cm	1.835 in