I 300x150x5x16 Cintac · Weight & Dimensions

Cintac, welded 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: I 300x150x5x16 (México) · Doble T I 300x150x5x16 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x150x5x16 steel profile weighs 48.2 kg/m (32.39 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 6,140 mm². Moment of inertia Ix = 10,490.995 cm⁴, Iy = 900.279 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)	5 mm	0.20 in
Flange thickness (tf)	16 mm	0.63 in
Weight	48.2 kg/m	32.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,140 mm²	9.517 in²
Moment of inertia (Ix)	10,490.99 cm⁴	252.05 in⁴
Moment of inertia (Iy)	900.28 cm⁴	21.63 in⁴
Elastic section modulus (Sx)	699.4 cm³	42.680 in³
Elastic section modulus (Sy)	120.04 cm³	7.325 in³
Plastic section modulus (Zx)	771.38 cm³	47.073 in³
Plastic section modulus (Zy)	181.68 cm³	11.087 in³
Radius of gyration (rx)	13.07 cm	5.146 in
Radius of gyration (ry)	3.83 cm	1.508 in