I 300x150x4x6 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 300x150x4x6 (México) · Doble T I 300x150x4x6 (Argentina / LATAM) · UB 300 (UK / Australia)

The I 300x150x4x6 steel profile weighs 23.2 kg/m (15.56 lb/ft), has a depth of 300 mm (11.81 in), flange width 150 mm (5.91 in). Cross-sectional area: 2,952 mm². Moment of inertia Ix = 4,686.422 cm⁴, Iy = 337.654 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)	4 mm	0.16 in
Flange thickness (tf)	6 mm	0.24 in
Weight	23.2 kg/m	15.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,952 mm²	4.576 in²
Moment of inertia (Ix)	4,686.42 cm⁴	112.59 in⁴
Moment of inertia (Iy)	337.65 cm⁴	8.11 in⁴
Elastic section modulus (Sx)	312.43 cm³	19.066 in³
Elastic section modulus (Sy)	45.02 cm³	2.747 in³
Plastic section modulus (Zx)	347.54 cm³	21.209 in³
Plastic section modulus (Zy)	68.65 cm³	4.189 in³
Radius of gyration (rx)	12.6 cm	4.961 in
Radius of gyration (ry)	3.38 cm	1.332 in