W 300 x 42,2 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 300 x 42,2 (México) · Doble T 300 x 42,2 (Argentina / LATAM) · UB 300 (UK / Australia)

The W 300 x 42,2 steel profile weighs 42.2 kg/m (28.38 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 5,381.202 mm². Moment of inertia Ix = 8,356.109 cm⁴, Iy = 603.778 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	150 mm	5.91 in
Web thickness (tw)	7.1 mm	0.28 in
Flange thickness (tf)	10.7 mm	0.42 in
Fillet radius (r)	15 mm	0.59 in
Weight	42.2 kg/m	28.38 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,381.2 mm²	8.341 in²
Moment of inertia (Ix)	8,356.11 cm⁴	200.76 in⁴
Moment of inertia (Iy)	603.78 cm⁴	14.51 in⁴
Elastic section modulus (Sx)	557.07 cm³	33.995 in³
Elastic section modulus (Sy)	80.5 cm³	4.913 in³
Plastic section modulus (Zx)	628.36 cm³	38.345 in³
Plastic section modulus (Zy)	125.22 cm³	7.641 in³
Radius of gyration (rx)	12.46 cm	4.906 in
Radius of gyration (ry)	3.35 cm	1.319 in