W 450 x 171,1 Acindar · Weight & Dimensions

Acindar, 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 450 x 171,1 (México) · Doble T 450 x 171,1 (Argentina / LATAM) · UB 450 (UK / Australia)

The W 450 x 171,1 steel profile weighs 171.1 kg/m (115.00 lb/ft), has a depth of 450 mm (17.72 in), flange width 300 mm (11.81 in). Cross-sectional area: 21,797.779 mm². Moment of inertia Ix = 79,887.567 cm⁴, Iy = 11,721.331 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	14 mm	0.55 in
Flange thickness (tf)	26 mm	1.02 in
Fillet radius (r)	27 mm	1.06 in
Weight	171.1 kg/m	115.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,797.78 mm²	33.787 in²
Moment of inertia (Ix)	79,887.57 cm⁴	1919.30 in⁴
Moment of inertia (Iy)	11,721.33 cm⁴	281.60 in⁴
Elastic section modulus (Sx)	3,550.56 cm³	216.669 in³
Elastic section modulus (Sy)	781.42 cm³	47.685 in³
Plastic section modulus (Zx)	3,982.37 cm³	243.020 in³
Plastic section modulus (Zy)	1,197.66 cm³	73.086 in³
Radius of gyration (rx)	19.14 cm	7.537 in
Radius of gyration (ry)	7.33 cm	2.887 in